Programmable(Logic)Controller ????

1
Programmable(Logic)Controller????

• 1960?????????????, ???????????

O.L
M.C
N.F.B
????
M
??
??
??
??
????
??
D
MC
A
??
????
PLC
??
MC
B
???? ??
C
???? ????
??????? ???????????
2
A-B PLC ? ? ? ?

• PLC-2(256896I/O)?PLC-3(4096I/O) (70?????90????)??
  1771??I/O
• SLC-500 ? ? ? PLC(90????)
• ??? 16960? ??1746??I/O??
• PLC-5 ? ? ? PLC (80????)
• ??? 2564096 I/O? , ??1771??I/O
• PLC-5/250 ? ??????
• ??? 4096 I/O? , ???????????

3
SLC-500 ??????

• SLC-500??
• ????????????????? 1746 I/O??
• ?????????
• ????(RS232,DH485,DH)????
• ??/????
• ??????8/16/32?????????
• 1746 I/O ??
• 4?,7?,10?,13? I/O??????
• ??????/??30 I/O ??
• I/O????????I/O??
• ????????,??I/O??
• ??????
• ???(????) P1,2,3,4 ? I/O??????

4
SLC-500 ? ? ? PLC

• ???
• ???? , ???I/O???,??DH485
• 1747-L20(12 /8 ) 1747-L30(18 / 12 )
  1747-L40(24 / 16)
• ???????? ,?????72?
• 1 K ????Word.
• MicroLogix 1000 ???(??RS232)
• 10(6 in/4 out),16(10 in/6 out) ,32(20 in /12 out)
• ???
• 5/01 1747-L511(1K) I/O??256?(??DH485)
• 1747-L514(4K)
• 5/02 1747-L524(4K) I/O?? 480?(??DH485)
• 5/03 1747-L532(12K) I/O?? 960? (??RS232,DH485)
• 5/04 1747-L541(16K) I/O?? 960?(??RS232,DH)
• L542(28K)
  L543(64Kword)
• 5/05 ??(RS232,EtherNet)
• Open Controller 1747-OC PC Base Controller

5
1747-L54x 5/04??
???? ???32????????????? ??12K Word??????????????
??????1ms/K Word,???960 I/O? ??9?RS232???,?DF1???(
????DH485) ????????30019200 ?????????????????? ??
DH?????DH?? ???1746 I/O???????
SLC5/04 CPU
RUN
FORCE
FLT
DH
BATT
RS232
SLC5/04 CPU
??? RUN?????????? FLT????????????????? BATT???
?????????? FORCE??????????????
????????? DH????DH??????,?????? RS232????RS232??
???? ???????? RUN-???????????????? PROG-??????
?(??)???????? REM-?????????? ??????
???? ????
REM
RUN
PROG
DH
RS232
6
A-B I/O ??

• 1791 Fixed Block I/O
• ??????????

1794
?????????????? ??????????????
1746 I/O ?????????? ???????????
1771 I/O ??????????????????
7
1746 ????????

• ?? ?? ???? ???? On Off ms
• IA4 4 85132VAC
  35 45
• IA8 8 "
  35
  45
• IA16 16 "
  35
  45
• IM4 4 170265VAC
  35 45
• IM8 8 "
  35
  45
• IM16 16 "
  35
  45
• IB8 8 1030VDC sink
  8 8
• IB16 16 "
  8
  8
• IB32 32 "
  3
  3
• ITB16 16 "
  0.3
  0.5
• IV8 8 1030VDC source
  8 8
• IV16 16 "
  8
  8
• IV32 32 "
  8
  8
• ITV16 16 "
  0.3
  0.5
• IG16 16 4.55.5VDC source
  0.25 0.5
• IN16 16 1030VDC
  sink,1030VAC 15/25 15/25

8
1746 ????????

• ?? ?? ???? ???? On Off ms
  ??A
• OA8 8 85265VAC
  1 11
  1
• OA16 16 "
  1
  11 0.5
• OB8 8 1050VDC source
  0.1 1
  1
• OB16 16 "
  0.1
  1 0.5
• OB32 32 550VDC source
  0.1 1
  0.1
• OBP16 16 20.426.4VDC source
  0.1 1 1.5
• OV8 8 1050VDC sink
  0.1 1
  1
• OV16 16 "
  0.1
  1 0.5
• OV32 32 550VDC sink
  0.1 1
  0.1
• OVP16 16 20.426.4VDC sink
  0.1 1 1.5
• OG16 16 4.55.5VDC sink
  0.25 0.5 0.024
• OW4 4 5265VAC ,5125VDC
  ???? 10 10 12.5
• OW8 8 5265VAC ,5125VDC
  ???? 10 10 12.5
• OW16 16 5265VAC ,5125VDC
  ???? 10 10 12.5
• OX8 8 5265VAC ,5125VDC
  ???? 10 10 15

9
1746 ????????????

• ?? ???? ???? ????
• IO4 2 2
  85132VAC
• IO8 4 4
  5265VAC,5125VDC
• IO12 6 6
  5265VAC,5125VDC

1746 ??????

• ?? ???? ???? ????
• NI4 4 0
  /- 10VDC?/-20mA
• NIO4I 2 2 ??
  /- 10VDC?/-20mA
• NIO4V 2 2 ??
  /- 10VDC?/-20mA
• NO4I 0 4
  021mA
• NO4V 0 4
  /- 10VDC
• NT4 4 0
  ???J,K,T,E,N,R,S,B,/- 50,100mV
• NR4 4 0
  RTD ???

10

• BASIC ??(1746-BAS) ??1DH485,2 RS232/422/485?
• ??????(1746-HS) IMC 110
• ??????(1746-HSCE) ??50KHz
• ??????(1746-HSTP1)
• ????
• DH485/DF1 232 ??(1747-KE???,1770-KF3???)
• REMOTE??(1747-SN)???4Rack(512in/512out),??8?SN
• REMOTE???(1747-ASB)???30???
• DH485/232??(1747-PIC)
• ??DH/DH485???(1784-KTX)
• C???Interchange 9351-DKTS
• DH485?????(1747-AIC)

????????
11
PLC-5 Remote I/O ??
??,??,??,???,???,?????I/O??
RIO LinK Max.10000? 57.6230Kbps
???? 2803 Vision 2755Bar Code 2750
RFID 1400Power Monitor ??....
1747-DCMSLC 1747-ASB1746I/O
1336 1305 Drive
???? 2711PanelView 2705RediPanel 2706DataLiner
1771 Remote Rack
PLC5 adapter Mode
1791 Block I/O
1794 Flex I/O
12
DH-485 ????

• SLC500?????token pass??
• ?????? 960019200 bps
• ???32?(Node)SLC?PC(??031)
• ?peer to peer?????????
• ??????4000?
• ?1785-KA5??DH

???? RSView??
RSLogix500(Win95/NT) APS (DOS)PLC????
1770-KF3 DH485/232
RS232 LINK
DH485 ??
1747-PIC DH485/232
1747-AIC ???
1784-KTX ???
1747-KE DH485/232
13
Data Highway Plus ??

• PLC-5 ?SLC5/04 ?????????
• ? Token-Pass??,? Peer to Peer???????
• ????,????,???????
• Throughput rate 32Kbps(2KWord/?)

RS232/422
Data Highway Plus ???? 57.6/115.2/230Kbps
Max.64? 10000?
KT /KTX???
KE/KF2
KA5
DH485??
SLC5/04
????Token 1.5ms(No Send) 38ms(Max 271Byte/Token
Pass) PLC-5 Type Read/Write Max. Packet Size90
Data Word
14
EtherNet ????

• EtherNet?????????????
• ?????CSMA/CD??TCP/IP??
• ????255?,Throughput rate 960Kbps
• PLC???Ethernet????????????????

RSView ControlView ?????
HOST Computer DEC ? HP9000 INTERCHANGE Client
RISC/ULTRIX AIX HOST
EtherNet TCP/IP 10Mbps
D H R I O
E N E T
C N B
C P U
C P U
P S
ControlLogix Gateway
PLC-5/20E,40E Client/Server ???????? 64Client
PLC-5 Control CoProcessor ??FTP,TELNET??
DH
DH
15
SLC-500 ????

• ???? ????
• O ?????(Output)
  0
• I ?????(Input)
  ?? 1
• S ????(Status)
  2
• B ????????(Bit,Binary)
  3
• T ??? (Timer)
  4
• C ??? (Counter)
  ???? 5
• R ?????(Control)
  6
• N ?????(Integer) lt-3276832767gt
  7
• 5/03(os301)?5/04??
• F ??????(/-3.40282410e38/-1.175494410
  e-38)
• A ASC?????
• ST String?????(82?)

16
SLC-500 ????

• SLC-500 ??256?(0255)???(Data File)
• ??????????????
• ????????256?(0255)??
• ?? XFe.s/b X ???? F ??????
  ??????? e ????? s
  ???????? / ???????
  b ??(bit)
• ??

??????4
??????
T40.PRE
?0???
??????
17
SLC-500 ?????

• Word T40.PRE T40.ACC N7255
  C50.PRE C50.ACC
  B30 R60.LEN R60.POS A91
  F88 (2Word) N70
  ST100.1
• Bit B31/1 ?B3/17 N711/15
  T4100/DN? T4100.DN
  T410.ACC/0
• PRE ????(PRESET)
• ACC ????(ACCUMULATED)
• DN ???(DONE)
• EN ???(ENABLE)
• TT ????(TIMING)
• ER ???(ERROR)
• LEN ???(LENGTH)
• POS ?????(POSITION)
• ?????

18
SLC500 I/O??I/O??????????
?? 10 ????
I/O ???? I XXX. X / XX O XXX. X
/ XX
I/O ???(0015)
Word ?? (031)
????(130) ??0 ??????

• I002 ?I2/0I2/15??Word

??? ??(Input)???(Output)
13 14 15 16 17 18 19 20 21 22
? ? ? ? ?
? ? ? ?
? ? ? ?
? ? ? ?
1746-A13 13 ???
1746-A10 10 ???
1746-NIO4V ?????/???? ??? I013.0
I013.1?O013.0O013.1
1746-NI4 4 ???????? I010.0 I010.3
??????16??????????I002/00 I002/15 ??????8
??????????I002/00 I002/07 ??????32??????????I
002/00 I002/15 ? I002.1/00 I002.1/15
19
SLC-500 ? ? ? ?

• ???? ??? (Ladder)
• SLC-500??256?(0255)???(Prog File)
• Prog File 0 ????(?????????), File 1 ??
• ??? File2 ????(?????)
• ????
• ?????(Fault Routine)
• ?????????,?????????
• ???????(Selectable Timed Interrupt)
• ??????????????????
• ???????(Processor Input Interrupt)
• ??????????????
• ???Prog File ??????

20
????
SLC500??????(Ladder Program)???????? ????,?????"?"
(Rung)?????,????? ??(Instructions)???(Address)???,
?????? ???????????????????
??/????
????
??
?? Word
Bit
21
9323-PA2E??????
SLC500 ????
ATTACH
PLC5
C
IPDS
ARCH
SLC500 ????????
????? .ACH??????? .AC .B0
.B1 .IX .LX .OP .PC
???????? .XD .XO .B2
?Crosss Reference .NAM
?Ladder File Name
PLC5
SLC500 ????????
LIS
????? .LIS ????? .XRF?Crosss
Reference?? .DTR?????
.PCR???????
PLC5
TEXT
SLC500 Export ASCII ???
????? .SLC ???.?????
.TXT??? .LOG???
PLC5
22
????
CD\IPDS\ATTACH\SLC500 ?? AP
F1 ONLINE PROGRAM ????(?????PLC???) F2 ONLINE
CONFIGR ???????? F3 OFFLINE PROGRAM
????(??????????) F4 OFFLINE CONFIGR
????(?????????????) F5 WHO ?????? F6 SOFTWARE
CONFIGR????(?????????) F7 FILE OPTIONS?????? F8
PRINT REPORTS ???? F9 System Utils ?????? F10
EXIT SYSTEM ??
File Options F7
Sftware Configr F6
Exit System F10
Online Program F1
Offline Configr F4
Print Reports F8
System Utils F9
Online Configr F2
Offline Program F3
Who F5
23
Offline ????
Offline Program F1
Create File F6
Define Dir F7
Save Config F9
Fl Conv Utility F10
F 4 Offline Config
?????? ???????? F1 Offline Program ??????
?????? F6 Create File
??????
BUL 1761 Microcontroller 1747-L511 5/01 CPU-1K
USER Memory 1747-L514 5/01 CPU-4K USER
Memory 1747-L524 5/02 CPU-4K USER
Memory 1747-L532 5/03 CPU-12K USER
Memory 1747-L542 5/04 CPU-20K USER Memory
F2 Select Proc ??????
F5 Config I/O ??I/O??
F1 Read Config ??????SLC?? F2 Online Config
???PLC???? ???23? F3 Modify Rake ?????? F4
Modify Slot ?? ????????? F10 SPIO Config
?????? ?BASIC??? M0/M1??
RACK 1 1746-A4 4-SLOT Backplane RACK 2 NOT
INSTALLED RACK 3 NOT INSTALLED
SLOT Catalog CARD
DESCRIPTION 0 1747-L532 5/03
CPU-12 K MEMORY 1 2 3
????????????????
24
???Program File??
SLC-500????256(0255)????,???? ?????????? ??????
1. ????????? 2.
?????????? 3.
??????????? 4.
??????????? . . . . ????????????????????????????
?
Proc Functns F1
Memory Map F10
Save F2
Return to Menu F3
Change File F4
DATA Monitor F9
Monitor File F8
FILE Options F7
CREATE REPORT F6
???? F1 Proc Functions ????
Create File F6 ?? ???
Monitor File F8 ?? ???
Change Passwrd F2 ?? ??
Change FL.Name F4 ?? ???
Clear Memory F5 ?? ??
File Protect F10 ?? ??
DATA Monitor F9 ?? ??
Delete File F7 ?? ???
Change Processor F1 ??? ???
Change Pr.Name F3 ??? ???
F6 Create File ?????
??????? Enter
F4 Change Fl.Name ?????????(??10?),??????
25
????
F1 Online /F3 Offline Prog ? F8 Monitor File ?F7
General Util ?F2 Proc Status ?????????? ????????
?????????? ??
Arithmetic flags S0 Z0 V0 C0
PROCESSOR STATUS 00000000 10001000 SUSPEND
CODE 0 PROCESSOR STATUS 00000000 10001000
SUSPEND FILE 0 PROCESSOR STATUS
00000000 10001000 Minor fault 00000000
00000000 WATCHDOG 100ms Fault code
0000 LAST
SCAN x10ms FAULT DESCRIPION FREE RUNNING
CLOCK 00000000 MATH REGISTER 0000
0000 ACTIVE NODE LIST (CHANNEL 1) I/O SLOT
ENABLES 0 10 20
30 0 10 20
30 0100000000 0000000000 0000000000 00
0000000000 0000000000 00000000000 PROCESSOR BAUD
RATE(CHANNEL 1) 19200 PROCESSOR
ADDRESS(CHANNEL1) 1 FAULT ROUTINE SUBROUTINE
FILE 0 Processor input interrupt scan(ms)
last 0 maximun 0
events since last
interrupt 0
changed bits
00000000 00000000 Selectable timed interrupt scan
(ms) last 0 maximun 0 CHANNEL 0
ACTIVE NODE TABLE 0-255
F10 CLEAR Maj Fault ???????
26
???Data File??
SLC-500 ????256(0255)??????????? ??????? 1.
??????????? 2.
?????????? 3. ???????
4. ????????????? . . .
. ??????????????????????????
Proc Functns F1
Save/ Merge F2
Return to Menu F3
Change File F4
Monitor File F8
General Utility F7
Enter Password F10
Memory Map F6
????????? F7 General Utility - F1 Memory Map
???????? ?????????? ????????? ???????? F6
Create DT File ??????? ? N7100 Enter
DATA TABLE MAP
FILE TYPE LAST ADDRESS
Element(??) Word File Protect 0
O output O003.1
3 3
STATIC 1 I input
I003.1 3
3 CONSTANT 2 S
status S163
164 164 3 B
binary or bit B30
1 7 4 T
timer T40
1 9 5 C
countr C50
1 9 6 R
control R60
1 9 7 N
integer N70
1 7 8 F
floating point F80
1 8
Data ?? Protect?? F10
Delete ?? DT File ??? F7
Create ?? DT File ??? F6
File 0,1,2?????
???? STATIC????????????????(???????)
CONST??????
27
???????
F1 Online /F3 Offline Prog ? F8 Monitor File ?F7
General Util ?F5 Channel Config
Channel Configuration
Channel 0 Configuration Current
Communication Mode SYSTEM
System Mode Driver DF1 FULL DUPLEX
User Mode Driver Generic ASCII
Write Protect Disable
Mode Change Disable
Mode Attention Character \1b
System Mode Character S
User Mode Character U Edit Resource/File
Owner Timeout60 Second
Passthru Link ID 0 Channel 1 Configuration
System Mode DriverDH485
MASTER Write
Protect Disable Edit Resource/File Owner
Timeout60 Second Passthru
Link ID 0
Ch 0??F10 Select Option ??SYSTEM?USER??
?????F4 Ch0 Config ???????? ??5/03,5/04
?CH0 ????? 1200,NONE Parity,CRC ???19200,None
Parity,BCC
Accept Edit F1 ?? ??
UNDO EDITS F2 ?? ??
CH0 USR CONFIG F5 CH0 ????
CH0 SYS CONFIG F4 CH0 ????
CH1 SYS CONFIG F4 CH1 ????
Select Option F10 ??? ???
28
??(??)????
F1 Port COM1 F2
CURRENT DEVICE 1747-PIC(DH485) F3 Baud Rate
19200 F4 TERMINAL
ADDRESS 0 F5 PLC ADDRESS
1 F6 MAX Node ADDRESS
31 F9 SAVE CONFIGURATION
F2 ONLINE CONFIG
??1747-PIC???
F1 Port COM 1 F2
Current Device KF3/KE(
Full-Duplex) F4 KF3/KE ADDRESS 0 F5
PLC ADDRESS 1 F6 MAX Node Address
31 F7 KF3/KE/Modem/Full-Duplex
Configuration F9 SAVE CONFIGURATION
??1747KE/1770KF3 ???
F1 Port
COM 1 F2 Current Device
Full-Duplex F4 SOURCE ADDRESS
0 F5 DESTINATION ADDRESS 1 F7
Device/Modem/Full-Duplex Configuration F9 SAVE
CONFIGURATION
?????RS232 ???(????? 1200,N,CRC)
29
??PLC???
?. ?? F1 ONLINE PROGRAM ?PLC?? ???????????,?????
??ONLINE
?. ???????????????? ?? F8 Monitor File
???????
30
????
?. ?? F2 SAVE/RESTORE
?? F2 SAVE ?? PLC????????? ?? F4
RESTORE? ?????????PLC ????????
F1Single Step Test ??? Disable,
???Enable???????????0.375??Word/Rung,
???on-line??????Rung
????????????. F2Future Access
???ALLOW,???DISALLOW???????????????on-line??.
??? _at_ ???????? _at_ ???????
_at_ ????????? _at_ ??????EPROM
?? _at_ ??????? _at_ ?EPROM??????? _at_
??(Restore)??????? ????Download?????? F3
Index Check ???Disallow,???Allow??????????,???D
isallow????????? F4File Protection
???Output,????Output,All,None ??.
?????????,???Output?????File 0 Output????????????
???? ????????????????????
?(??ControlView,??????DTAM???)
31
??PLC???
M1_START
O002
I001
01
01
--------------------------------------------------
--------------------------------------------------
--------
Rem RUN
Change Mode F1
Edit F10
Multi Point F4
Document F5
Force F9
Data Monitor F8
General Utility F7
Config Display F2
Exit F3
Search F6
??????. ??? ?? ???? ????? ?? 35
? Enter ??????3?????5?
32
????(Rung)??
--------------------------------------------------
--------------------------------------------------
--------
Rem RUN
Change Mode F1
Edit F10
Data Monitor F8
Document F5
Force F9
General Utility F7
Multi Point F4
Config Display F2
Exit F3
Search F6
F10 Edit ????
I/O Edit F2 I/O ??
Change Mode F1 ?? ??
Cencel Edits F10 ?? ??
Advancd Edits F8 ?? ??
Insert Rung F4 ?? ???
Modify Rung F5 ?? ???
Delete Rung F6 ?? ???
Append Rung F3 ?? ???
Test Edits F9 ?? ??
Undel Rung F7 ?? ???
F4 Insert Rung ??????
Accept Rung F10 ?? ???
Insert Instr F4 ?? ??
Modify Instr F5 ?? ??
Delete Instr F6 ?? ??
Append Instr F3 ?? ??
Undel Instr F7 ?? ??
Branch F1 ??
?????
F4 Insert Instr ?????
Esc
Timer/ Counter F2
Move/ Logical F6
I/O Message F3
File F7
Compare F4
Math F5
Shtft/ Seqncer F8
Control F9
Special F10
Bit F1
F1 Bit ?????
F3 ???? O2/0
L
U
OSR F6
OTU F5
XIC F1
XIO F2
OTE F3
OTL F4
F1 ?? ???? I1/0
Insert ?????????? Append??????????
33
??PLC????
--------------------------------------------------
--------------------------------------------------
--------
Rem RUN
Multi Point F4
Change Mode F1
Edit F10
Data Monitor F8
Exit F3
Document F5
Force F9
General Utility F7
Config Display F2
Search F6
??F1Change Mode(PLC??????REMote??)
F1PROGRAM ????
F2TEST ????(???RUN????????)
F3RUN ????
? F8 ????
?PROG ? REM PROG ?????????? ?RUN ??????, ? REM
RUN ?????? Offline??????????????????
34
??PLC???
O002
I001
I001
I
I
I
I
I
01
03
01
I
I
I
I001
I001
O002
R
R
R
R
R
R
01
03
01
--------------------------------------------------
--------------------------------------------------
--------
Rem RUN
Change Mode F1
Edit F10
Document F5
Force F9
Data Monitor F8
General Utility F7
Multi Point F4
Config Display F2
Exit F3
Search F6
?.??F10EDIT ?.???????F1OFFLINE PROCESSOR
F3DISK PROG F7ONLINE EDIT
?.????????????,??F5Modify Rung ?????R
??,??????I ?? ?.??????F10Accept Rung
????????????? F9 Test Edit ???????? F10
Assemable??????? ????F9
Untest Edit ???? ??OFFLINE?????F1SAVE/GO ONLINE
35
?????(Branch)
? F1 Branch ??
? F4 Insert Branch ?????? ???
01
? F2 Targe B ?? B
?????????4?(?????) ?????
1
? F4 Insert Instr ????
2
?????
3
Esc
? F1 ?? ???? I1/1
4
36
??????????????
????(Symbol)-???? 10? ???????? ??????????? ????
?????????? ????
PLC RUNG COMMENT
M1_START
????(Address Comment) 5?,??10?
??????? ??Symbol???
--------------------------------------------------
--------------------------------------------------
--------
Rem RUN
Change Mode F1
Edit F10
Data Monitor F8
Multi Point F4
Document F5
Force F9
General Utility F7
Config Display F2
Exit F3
Search F6
????(Instru Comment) 5?,??10? ???????
?????(Rung Comment) 6?,??80? ??????? ?????
Display(Suppress) Rung Cmt F7 ??/?? ?????
???????? F2 Config Display
Display(Suppress) Ins Cmt F8 ??/?? ????
Display(Suppress) Symble F9 ??/?? ????
???????????? ?????????
C\IPDS\ATTACH\SLC500\APSIE ???/??Import/Export??
37
??Force PLC I/O
?????????????????????????
Change Mode F1
Edit F10
Data Monitor F8
Document F5
Force F9
General Utility F7
Multi Point F4
Config Display F2
Exit F3
Search F6
?.??F9Force
?.?????? ???,?? F1OFF ??OFF F2ON ??ON ?.
F7 ENABLE ???? F3 REMOVE ?????????
F4 REMOVE ALL ????????? ???Force????????????????
?? ???????????????,?????????? ????
?? ??????????????? ????? ??????????????????????
???
Off F1 ?? OFF
Monitor Input F9 ?? ???
Remove All F4 ?? ??
Monitor Output F9 ?? ???
On F2 ?? ON
Remove F3 ?? ??
38
???? DATA MONITOR
Change Mode F1
Edit F10
Data Monitor F8
Exit F3
Document F5
Force F9
General Utility F7
Multi Point F4
Config Display F2
Search F6
??F8DATA MONITOR (?????????)
Next File F7 ?? ???
Change Radix F1 ?? ????
Prev File F8 ?? ???
Force Monitor F6 ?? ??
Specify Address F5 ?? ??
?????????? ???????? Enter ????
F5SPECIFY ADDRESS ??????
Binary Data F1 ??? ??
Hex/BCD Data F4 ???? /BCD??
ASCII Data F5 ?? ??
Decimal Data F3 ??? ??
39
???? Multi Point
???32?(Bit)?????
??F4Multi Point
Change Mode F1
Edit F10
Data Monitor F8
Exit F3
Document F5
Force F9
General Utility F7
Multi Point F4
Config Display F2
Search F6
Point Address
State Description 0 I001/0
0 1
B3/0 1 2 3
DISPLAY SYMBOL F2 ????
EDIT FIELDS F1 ????
TOGLE STATE F3 ????
VIEW ONLINE F5 ????
PROTECT F4 ??
COPY TO ONLINE F6 ???plc
FORCE F7 ??
EDIT ADDRESS F1 ?? ??
EDIT ON Desc F4 ?? ON??
DEFINE SYMBOL F2 ?? ??
TOGLE STATE F3 ????
EDIT OFF Desc F5 ?? OFF??
FORCE F7 ??
DELETE ENTRY F8 ????
40
???????(Advanced Edit)?????(PROG)????????
F1 Online /F3 Offline Prog ? F8 Monitor File?F10
Edit
SAVE/GO ONLINE F1 ?? ??
ONLINE Config F2 ?? ??
Cencel Edits F10 ?? ??
Advancd Edits F8 ?? ??
Modify Rung F5 ?? ???
Append Rung F3 ?? ???
Insert Rung F4 ?? ???
Delete Rung F6 ?? ???
Test Edits F9 ?? ??
Undel Rung F7 ?? ???
Select F1 ?? ??
Copy F3 ??
Paste F4 ??
Cut F2 ??
? ??????????
? ?? F2 Cut ?????????(?????????) ?
? ?? F3 Copy ?????????????(??????)
? ?? F4 Paste ????????????????
41
??(Search)????????
Change Mode F1
Edit F10
Data Monitor F8
Exit F3
Document F5
Force F9
General Utility F7
Config Display F2
Search F6
Multi Point F4
F1 Search Type???? ---Search
Instr/addr????/?? ---Search Replace
Instr/addr???????/?? ---Edit ZONE ??????
F6 Search
F2 Search For
?????????????? ?? I1/0 ? XIC,I1/0 ? F5
Start Search ????
F1Search Type SEARCH INST/ADDR
F7 Search Scope?? GLOBAL F2 Search
For ????
F8 Search Direction?? DOWN

F9 Search Wrap
ON
O003
I002
Search Direction ????? ??(UP)???(DOWN)
01
01
Search Scope ???? ?? file ????????? ??GLOBAL
??????
Search For F2 ?? ??
Search Type F1 ?? ??
Start Search F5 ?? ??
Toggle Wrap F9 ?? ??
Toggle Scope F7 ?? ??
Save Config F10 ?? ??
Toggle Direct F8 ?? ??
Search Wrap ?? ON ?????????
42
???? Help ? Alt H ?? ???????????????? ?? MOV
Enter ??? ?Alt-C? Change Mode
????????Run/Prog ?Alt-S? Search ?? ?Alt-E?
Configure display ??????/?? ?Alt-T?
Documentation?? ?Alt-M? Memory Map
??????? ?Alt-D? Data monitor ???? ?Alt-U?
Aborts Change ???? ?Alt-H? Help ????
43
????(Relay)
?????
????
??
??
DI ?1?
I001
I001
??
01
02
01
??
??
02
-
Com
??
I001
L
01
??
I001
U
02
XIC ??(N.O)?? ??????OFF?,
?????????????ON?, ?????
XIO ??(N.C)?? ??????OFF?,
????????????ON?, ??????
( ) OTE OUTPUT ENERGIZE ????
????????, ??????????????
AB PLC??? ???????? ???????? ????
(L ) OTL Output Latch ???????
????????, ????????????????????
(U ) OTU Output Unlatch ??????
????????, ??????????????????
???????? ( ) ?????OFF, (L) ???????????
44
??I/O??
???????????I/O???,?????(Output data
file)????? ?????????,????????????????(Input data
file) ?????????????????????,?????????? ????????
IIM ???? ????????????, ???? ???? ??????????????4
15??
I/O??
? ? ? ?
IIM Slot?? 01 Mask?? FFF0
IOM ???? ????????????, ???? ? ???
IOM Slot?? 01 Mask?? FFF0
????????????? ????????????????
45
???(Timer)??
I001
TON TIMER ON DELAY Timer
T40 Time Base 1.0 Preset
5 Accum 0
?EN?
02
?DN?
T40
O002
EN
00
T40
O002
T41
DN
01
TON TIMER ON DELAY Timer
T40 Time Base 1.0 Preset
3 Accum 0
EN - ENABLE ???
DN - DONE ???
DN
??? T40/TT ? ON 3? OFF 2?
TT - TIMING ????
Time Base- ???1??0.01?
Preset - ???
Accumlate - ???,???????032767
T40
TON TIMER ON DELAY Timer
T41 Time Base 1.0 Preset
2 Accum 0
TON (TIMER ON DELAY) ??????? ???????, EN
??????????????? DN ?? ??? TT ???????????
?????
DN
TOF (TIMER OFF DELAY) ??????? ???????, EN
?DN??,????????????? ???????? DN ????? TT
?? RTO(RETENTIVE TIMER ON) ?????? ????TON,
??????????????????????? RES(RESET) ??
46
???(Counter)??
I001
CTU COUNT UP Counter
C50 Preset 5 Accum
0
?CU?
???? I001/03
03
?DN?
CU
ACC
I001
CTD COUNT DOWN Counter
C50 Preset 5 Accum
0
?CD?
DN
04
?DN?
???? I001/05 Reset
I001
C50
I001/04
(RES)
05
CD
CU - COUNT UP ????
CD - COUNT DOWN ????
Preset - ???
Accumlate - ??? ???????-3276832767
DN - DONE ???(??? gt ???)
UN - Underflow??-32768
OV - Overflow??32767
CTU (COUNT UP) ????? ?????OFF?ON?, CU
??????? 1??gt???? DN ??
CTD (COUNT DOWN) ????? ?????OFF?ON?, CD
??????? 1??gt???? DN ??
RES(RESET) ?? ?????????????(????0)
47
??????Status

• S0????(flag)
• S0/0 Carry Bit ????????????1???0
• S0/1 Overflow Bit ????????????1???0
• S0/2 Zero Bit??????0?????1???0
• S0/3 Sign Bit?????????????1???0
• S1????/????
• S1/04?????
• S1/5 Force Enable????(Force??)
• S1/6 ???(Force) ??
• S1/7 DH485?????
• S1/8 ???????1???????????????(S1/13)?????0?????
  ??????????????????
• S1/14 ???????Future Access ???Disable??????1
• S1/15 ???????????????1
• S4/0 20ms, S4/1 40ms, S4/2 80ms,S4/3
  160ms?????
• S4/4 320ms, S4/5 640ms, S4/6 1280ms, S4/7
  2560ms?????
• S34/5 5/04 Cho? Ch1??PassThrough
• S24 ????
• S37?,S38?, S39?,S40?,S41?,S42?

48
???
?????I001/00??? O003/00??
S42
I001
00
0
S42?????????(WORD)???059??? ?16???? 0000
0000 0000 0000 ??S42??0???
0000 0000 0000 0001 ?? 1 ???
0000 0000 0000 0010
0000 0000 0000 0011

??? ??????? ?????????
S42
I001
00
0
B3
?????
0
I001 ??
I001
B3
01
00
0
B3
0
49
???????(I,O,S???) ???5/03,5/04 N7N90
?N90??1?????N71 ??????? B3/I002
T4N75.PRE CB315.ACC ST100.N90
???? ????? I001/2 ??? O002/00 15 (B30/0
15) ?? 1?,???? I001/2
???? ???? OFF
I001
TON TIMER ON DELAY Timer
T40 Time Base 1.0 Preset
15 Accum 0
?EN?
?DN?
02
B3
( )
T40.ACC
MOV MOVE ?? Source B30 Dest
O002
I001
CLR CLEAR ?? Dest B30
02
????1. ??????????????, ???????????????
2. ???????????????????????
50
???????
???? ?????????? ????????0 5 ?????????
? 5,3,6,7,10,7 ?????????????????
?Data Monitor ?N705 N713 N726 N737
N7410 N757
I001
CTU COUNT UP Counter
C50 Preset 5 Accum
0
?CU?
02
?DN?
MOV MOVE ?? Source N7C50.ACC Dest
T40.PRE
???? ??????? ??????????? ?????
????Index??
?????S24,?????? ? ????????S24?????
ADD ADD Source A N70 Source B
N91 Dest N102
??? ?S245????? N75 N96 ? N107
51
?????
????
COP F3
FLL F4
Others F10
??? ??
NOT F6
Others F10
AND F3
OR F4
XOR F5
MOV F1
MVM F2
????
MORE MATH F6
SPECIAL MATH F7
CPT F1
SWP F2
DDV F1
DCD F2
SQR F3
SCL F4
ENC F5
SCP F8
LES F6
GRT F7
LEQ F8
Others F10
GEQ F9
LIM F2
MEQ F3
EQU F4
NEQ F5
????
IID F7
IIM F1
IOM F2
SVC F3
MSG F5
Others F10
IIE F6
RPI F8
REF F9
I/O ?????
Others F10
TON F1
TOF F2
RTO F3
CTU F4
CTD F5
More F6
??/ ?????
RES F6
RES F6
RES F6
HSD F1
HSL F3
HSE F2
52
?????
Timer/ Counter F2
Compare F4
PID F1
I/O Message F3
File F7
Shtft/ Seqncer F8
Control F9
Special F10
Math F5
ASCII Control F3
Move/ Logical F6
ASCII String F4
Bit F1
???????
BSL F1
BSR F2
SQC F3
SQL F4
Others F10
LFL F8
SQO F5
FFU F7
FFL F6
LFU F9
??????
TND F7
INT F8
Others F10
SUS F9
JMP F1
LBL F2
JSR F3
RET F4
SBR F5
More F6
MCR F4
STD F3
STS F2
STE F1
ASCII????????
ARD F3
ARL F4
Other F10
ACL F8
ACB F2
AWT F5
AHL F7
AWA F6
ABL F1
AEX F4
ASR F6
ASC F5
Others F10
ACN F1
ACI F2
AIC F3
ASCII??????
53
??(Compare)??

• ??????????????????????

GEQ Greater then or Equal ????? EQU Equal
?? GRT Greater then ?? LEQ Less then or Equal
????? LES Less then ?? NEQ Not Equal ???
GEQ Greater then or Equal Source A
N75 Source B 5
??????????
5
10
F
F
T
???????? ?Low limit lt High limit ? Low limit lt
Test lt High limit ????? ?Low limit gt High
limit ? Test gtLow limit ?Test lt High limit
?????
LIM LIMIT TEST(CIRC) Low limit N75 Test
N71 High limit F80
??
??
2
22
T
F
T
MEQ MASKED EQUAL Source N75 Mask
(16??) FFF0 Compare N711
??
??
???????????? ????(Mask) ????0??????????
54
??(Compute)??

• ??????????(Source)??????????
• ??(Dest)??
• ??5/03?5/04??CPT????????SIN,COS,TAN
• ASN,ACS,ATN.??LN,LOG.??????XPY

MUL ? MULTIPLY Source A N73 Source B
N77 Dest F81
ADD ? ADD Source A N73 Source B 7 Dest
N72
CLR ???0 CLEAR Dest N799
SQR ??? SQUARE ROOT Source N73 Dest
N701
NEG ?? NEGATE Source N73 Dest
N701
??????????
SUB ? SUBTRACT SourceA N73 SourceB
5 Dest N71
DIV ? DIVIDE Source A N73 Source B
N77 Dest F81
SWP ????Byte SWAP Source ST110.1 Length
128
????????? ??SOURCE???? Dest
?MicroLogix1000
FRD ?BCD?? ???? FROM BCD Source
I004 Dest N701
5(0101) 0000 0000 0010 0000
0000 0000 0000 1000 3(0011)
55
??(Compute)??(?)
Rate??(?????-?????)/(?????-?????) Offset(??)????
?-(?????Rate)
SCL ???? SCALE Source I2.3 Rate
/10000 12490 Offset -4093 Dest
N71
???????????420mA ???????(327716384) ??PID??????
016383? ?Rate(16383-0)/(16384-3277)
1.249 (12490/10000) Offset0-(32771.249) -4093
??010v???0100
SCP ???? SCALE W/PARAMETER Source
I2.0 Input Min. 0 Input Max.
32767 Scaled Min. 0 Scaled Max.
100 Dest F80
56
????(Ons Shot Rising)?? ???
???? ????????????
??? ???I001/02 OFF?ON ?N70 ?? 1 ????
N70?????? ?? ???????????????????I001/02
??????????????
?? ?????OSR ??
B3
I001
OSR
ADD ADD Source A N70
Source B 1 Dest N70
0
02
OSR????B3/0???
??????1???
OSR?????
???? ????? ????/?????
B3
B3
O002
I001
OSR
1
0
0
04
O002
L
0
B3
O002
U
0
0
57
??(Move)???(Logical)??
NOT ??? NOT Source A N73 Dest
N7011
MOV ??(??) MOVE Source N70 Dest
N71
?Source??????Dest Source??????
not 0 1 not 1 0
AND ?? BITWISE AND Source A N73 Source B
N74 Dest N7011
0 0 0 1 0 0 0 1 0 1 1 1
MVM ????(??) MASKED MOVE Source
N70 Mask 00FF Dest
N71
OR ?? BITWISE OR Source A N73 Source B
N74 Dest N7011
0 or 0 0 1 or 0 1 0 or 1 1 1 or 1 1
?????????Source ?????????Dest (Dest????????????)
??? ????? 8 ???
XOR ???? BITWISE EXCLUS OR Source A
N73 Source B N74 Dest N7011
0 xor 0 0 1 xor 0 1 0 xor 1 1 1 xor 1 0
58
??(File)??
COP ???? COPY FILE Source N70 Dest
N120 Length 128
???????,????? ?????MOV???? ?MOV???? 1 ??? ?COP
????128???? ??? ????N70 N7127
???N120N12127 ??? ?N70????
? N120N12127
FLL ???? Fill FILE Source N70 Dest
N120 Length 128
59
??(Shift)??

• ?????OFF?ON??????

??? ????B30B34 (B3/0B3/79)????
??,?I022/12?B3/0??????? B3/79
??UL (Unload Bit)
BSL ???? BIT SHIFT LEFT FILE
B30 Control R61 Bit Address
I022/12 Length 80
????? EN ??? DN ??? ER ???
? R61.LEN 80
??? ????B30B34 (B3/0B3/79)????
??,?I022/12?B3/79??????? B3/0
??UL (Unload Bit)
BSR ???? BIT SHIFT RIGHT FILE
B30 Control R61 Bit Address
I022/12 Length 80
????? EN ??? DN ??? ER ???
???? ??PLC????Byte?Word??, A-B ????????????
???????Length?????Bit . ???????4096
Bit(256Word) ?????R??3word, ???Length ,
Position???Bit(EN,EU,DN,,EM,ER,UL,IN,FD)
60
??(Shift)??

• ?????OFF?ON??????

??? ????N601 ??? N300
?????? Position ????????(? 1)?
FFL ?????? FIF0 LOAD Source
N601 FIFO N300 Control
R650 Length
5 Position 0
????? EN ??? DN ??? ER ???
EM ??????? Length????????
??? ???? N300????????Dest
??????????? Position ???1
FFU ?????? FIF0 UNLOAD FIFO
N300 Dest N602 Control
R650 Length
5 Position 0
????? EN ??? DN ??? ER ???
EM ???????
61
??(Shift)??

• ?????OFF?ON??????

??? ????N601 ??? N300 Position ????????(? 1)?

LFL ?????? LIF0 LOAD Source
N601 LIFO N300 Control
R650 Length
5 Position 0
????? EN ??? DN ??? ER ???
EM ??????? Length????????
??? ???? N300????????Dest
Position ???1
LFU ?????? LIF0 UNLOAD LIFO
N300 Dest N602 Control
R650 Length
5 Position 0
????? EN ??? DN ??? ER ???
EM ???????
62
??(Seguencer)??
SQO ???? SEQUENCER OUTPUT File
N71 Mask 0F0F Dest
O002 Control
R649 Length 5 Position
0
SQL ???? SEQUENCER LOAD File
N711 Source I001 Control
R622 Length
5 Position 0
SQC ???? SEQUENCER COMPARE File
N711 Mask FFF0 Source
I001 Control R650 Length
5 Position
0
Length ?? 255
?????SQC ? SQO ????? SQC ???Mask??Source
?N711???Position ?????? ?????FD(Found??)????????
??1 ?SQO????? Off? On ??????1 ???????N71?????
?????16???(216???)??16???(???????) SQL
??FFL???Source??????File?Position?????? ????????
?SQC?SQO??? File ???????????????????????????????
63
???????
?I2/0I2/3 ??O3/0O3/3???? I2/3
I2/2 I2/1 I2/0 O3/3 O3/2 O3/1
O3/0 Step 0 0 0 1 1
X X X X Step 1 0
1 1 0 0 0
1 1 Step 2 0 0 1 0
1 1 1 0 Step 3
1 0 1 1 1 0
0 1 Step 4 1 1 0
0 1 1 1
1 Step 5 0 0 1 1
0 1 1 1
????/??.????????
?B100B1053,6,2,11,12,3
B1010B10143,14,9,15,7
64
????(Program Control)??--??

• ????????????

10
( JMP)
???JMP?????????? ???LBL????????? (??????????????
??)
10
Label ??? JMP ? LBL ???? ???0999 ????256Label
LBL
????( Master Control Reset)
( MCR)
MCR????????????? ???MCR??????????MCR ???????????
????? ?????????(???????)??(Off) ???????????????
Off
( MCR)
65
????(Program Control)??--?????

• ???????????????????????(????????)

Program File 5
JSR ????? JUMP TO SUBROUTINE Program File
5
????????? ???( END)?RET?? ?????,????? ????(???)??
?? ??????????? ??8 ?
RET ?? RETURN ( )
???????????RET??
END
66
????(Program Control)??
???????????(END)?????????????? ????????????,???
??????
?TND Temporary End?????? ???????????????? ???????
,????????
(TND)
?
?
SUS ?? SUSPEND Suspend ID
??????SUS????????? ??Suspend ID??S7
??????? ?????????S8 ??????
?
???????????????(?STI?PII)??????? ???????????????
?????????????? ??????? (STD) SELECTABLE TIMED
Disable ?????????? (STE) SELECTABLE TIMED Enable
???????? (STS) SELECTABLE TIMED Start ????(??)????
67
PID(Proportional Integral Derivative) ? ?

• ?????OFF?ON??????

Control Block ????????N?Word 0???

122?PID?? PV?????,CV?????
F1 auto/manual auto
time mode bit0 TM F2 modeSTI
auto/manual bit0 AM F3
controlESP-PV control mode
bit0 CM setpoint (SP) 0
output limiting enabled bit0 OL
process(PV) 0 reset and
gain range0 RG scaled error 0
scale setpoint flag0 SC
deadband 0 loop update time too
fast0 TF output(CV) 0
derivitive(rate)action0 DA
DB,set when error
is in DB0 DB loop update 0 .01 secs
output alarm,upper limit0 UL
gain 0/10 output alarm,lower
limit0 LL reset 0/10 m/r
setpoint out of range0 SP
rate 0/100min process var out of range0
PV min scaled 0
PID done0 DN max
scaled 0 F4 output (CV) limit NO
PID enable0 EN
output(CV)min 0 output(CV)max 90
?????PID????? ? F8 Data Monitor???
PID ??????
FFWD or Bias
Set Point
Error
PID??
Process Variable
Control Output
?? ??
68
??????

• ?????OFF?ON??????

Control Block ????????N?????
MSG READ/WRITE MESSAGE Type
PEER-TO-PEER Read/Write READ Target
Device 500CPU Local/Remote
LOCAL Control Block N70 Control Block
Length 14
N70
(EN)
(DN)
15
(ER)
?????MSG??????????? ?? ?????? Enter
???????? ???RS232??????Channel?? 0
?DH485?? 1 ???
???DH485????2??N90N999
?????N100N1099
MSG?? Type
PEER-TO-PEER Read/Write
READ Target Device
500CPU Local/Remote
LOCAL Control Block
N70 F10 Channel 1 F1
Target Node 2 F5
Destination File Address N100 F6 Target
Source File Address N90 F7 Message Length in
Elements 100 F8 Message Timeout (seconds)
5
69
ASCII?????

• 5/03?5/04???RS232/485?Channel0???????????????????
  System????DF1????,????????User????????????ASCII??
  ?????(????Loop??? ??????)???????????,??14?????ASCI
  I?????????????

????ST?82? ??????????????? ?????????????? ?S17
/8????????? ??ST380 ?ABCD -234 ? ?
N710-234
ACI ????? STRING TO INTEGER Source
ST380 Destination N710
??????OFF?ON? ??Channel0 ?????? ????LF?CR???? ????
????????POS ????Characters?(0256)
ABL ASCII TEST FOR LINE Channel
0 Control
R632 Characters ??
??Channel0??????? ?????,??????? ?????POS ????Chara
cters?
ACB ASCII CHARS IN BUFFER Channel
0 Control
R632 Characters
AIC ????? INTEGER TO STRING Source
N710 Destination ST381
???????????? ??N710234 ?ST381 234
?????????????? ??????Index?????? ?Number????Dest
?? ST383 ?A234ABC? ? ST384 ?34AB?
AEX ???? STRING EXTRACT Source
ST383 Index 3 Number
4 Destination ST384
????????RS-232? DTR?RTS?????
AHL ASCII HANDSHAKE LINES Channel
0 AND Mask ABCD OR
Mask DACB Control
R633 Channel Status ??
?????????????? ?? ST381 A234 ST382
ABC ? ST383 A234ABC
ACN ???? STRING CONCATENATE Source A
ST381 Source B ST382 Destination
ST383
ACL ??????? ASCII CLEAR BUFFER Channel
0 Clear Receiver Buffer Clear Send
Buffer
70
ASCII?????(?)
ASR ???? ASCII STRING COMPARE Source A
ST383 Source B ST385
???????? ??????? ???????????
??????OFF?ON? ??ASCII?????Dest String
Length?????? Characters Read ???????
ARD ???? ASCII READ Channel
0 Destination ST385 Control
R624 String Length 20 Characters Read
AWA ?????? ASCII WRITE APPEND
Channel 0 Source
ST385 Control R624 String Length
20 Characters Sent
?????AWT???? ?????? 1? 2 ?? ?????CR?LF??? ??Channe
l Configuration ??????
??????OFF?ON? ????ASCII??(?CR???) ???Dest String
Length???????? Characters Read ???????
ARL ?????? ASCII READ
Line Channel 0 Destination
ST385 Control R624 String Length
20 Characters Read
F7 General Util?F4 Channel Overview?F5 Channel
Config
????Channel0??Time xx ?ST101Time
AIC ????? INTEGER TO STRING Source
S23 Destination ST100
?????????????? ?????Index????? ?Search????,??????
Result ?? ST383 AB234ABC ST381
AB ? N100 6
ACN ???? STRING CONCATENATE Source A
ST101 Source B ST100 Destination
ST102
ASC ???? STRING SEARCH Source
ST383 Index 3 Search
ST381 Result N100
I2/4
MOV MOVE Source ST102.LEN Dest R62.LEN
AWT ???? ASCII WRITE Channel
0 Source ST385 Control
R624 String Length 20 Characters Sent
??????OFF?ON? ?Source ???Channel0?? String
Length?????? Characters Sent ???????
AWT ???? ASCII WRITE Channel
0 Source ST102 Control
R62 String Length 0 Characters Sent
??????????????ASC II ? ?? ? ?\AE\C9
? ?\B6\A1
71
??????(Report)
F3 Toggle Report ?????? ????????? ?? F4 Reset
Report ??
Program Listing???? Cross Reference?????? Processo
r Config ?????? Data Table ??????
?????????? ?F5 Report Option ????
F6 General Option ????? ????????????
??????(?????) F8 Title ???????
Select All F2
Toggle Report F3
Reset Report F4
Title F8
Report Option F5
General Option F6
??????Enter? ?????? (????\IPDS\LIS\SLC500?)
72
???????
????? ??????
????
????
???? ???? ???? ????
????
??????
???????? ??????
???
????
???? ???? ???? ????
??
???? ???? ???????
??
PLC???
????
??
??
??????? ????
????
????? ??? ???? ??????
??? ??????? ?????
??
??????? ?????? ?????
??
PLC??
73

• ????
• PLC???????????????(???. ???)????
• ??????????
• ???????????
• ????????????????????? ??
• ????????????.????PLC?? ???????
• ????PLC?????(??????)
• ????????????????.
• ?????????
• PLC???????????12????.

74
PLC??????

• ? ?010-88459352 88453028
• ? ?100195
• ? ?010-88459355
• ? ? ? ???
• ??13522736001
• E-maile-commerce_at_huibogs.com
• ? ?www.huibogs.com