Core Product Basics Timing Relays

1
Core Product BasicsTiming Relays
2
What is a Timing Relay?

• Timers provide a LOGIC function in a control
  system.
• Adds flexibility to relay applications
• Time delay logic decisionmaking capability can
  be varied from a few fractions of a second up to
  to hours.

3
What is a Timing Relay?

• A Timing Relay Timer Relay
• Timers Are Either Separate or Modular
• Major Logic Functions of a Timer Are
• Instantaneous Logic
• ON-DELAY Logic
• OFF-DELAY Logic

Electronic Timers
Relay
Relay Pneumatic Timer
Timer Socket Relay
4
On-Delay Mode
Symbols
Timed interval begins when coil is energized
1TR

• Contacts change state
• End of timed interval
• When coil is de-energized

NCTO
1TR
Arrow pointing UP indicates On-Delay
5
Power available (L1 and L2)
6
The Moment the Start Button is Pressed
7
Coil 1TD (On Delay) is Energized
8
After 1TD (On Delay) is Energized
9
10 sec After 1TD(On Delay) is Energized
10
When the Stop Button is pressed
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 10 sec On Delay
1TD
2
1TD
3
OL
1TD
1M
4
11
When Coil 1TD (On Delay) is De-energized
12
Off-Delay Mode
Symbols
Timed interval begins when coil is de-energized
2TR
NOTO
2TR

• Contacts change state
• When coil is energized
• End of timed interval

NCTC
Arrow pointing Down indicates Off-Delay
13
Power available (L1 and L2)
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
14
The Moment the Start Button is Pressed
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
15
Coil 1TD (Off Delay)is Energized
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
16
After 1TD (Off Delay)is Energized
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
2TD
2
1CR
3
OL
1TD
1M
4
17
When the Stop Button is pressed
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
18
When Coil 1TD (Off Delay) is De-energized
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
19
12 sec After 1TD (OFF Delay) is De-energized
L2
L1
Start
Stop
1TD
1
2, 3, 4
Set at 12 sec Off Delay
1TD
2
1TD
3
OL
1TD
1M
4
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
Choosing a Timer

• Points to consider
• Type of Timer
• Length of time delay
• Timing ranges
• Repeat accuracy
• Additional requirements

24
DIN Rail Mounted Timers

• 700-FE (17.5mm)
• 1 N.O. or SPDT, 6A contacts
• Multi-Function Version
• Select from 4 timing functions
• Single Functions
• 7 versions to choose from
• 0.05 sec to 10 hours

• 700-FS (22.5mm)
• SPDT or DPDT, 8A contact
• Multi-Function Version
• Select from 8 timing functions
• Single Functions
• 14 versions to choose from
• 0.05 sec to 60 hours
• External timing setting via a Potentiometer on 3
  models

Fastest installation, no socket needed!
25
Socket Mounted Timing Relays

• 700-HR Line Dial Timer
• Most popular General Purpose Timing Relay
• 5A, B300 contact rating
• SPDT, 2PDT, Transistor Outputs
• Easiest Timer to Use - User friendly

700-HR Dial Timer

• 700-HNC / -HNK Line
• Smallest General Purpose (GP) Timing Relay
• Our lowest cost GP Timing Relay
• 5A, B300 contact rating
• SPDT, 2PDT, Transistor Outputs

Miniature 700-HNC
Ultra-slim 700-HNK
26
700-HLF Terminal Block Timing Relay

• Space savings
• Only 6.2mm wide
• Flexibility
• Four different timing functions one catalog
• Time range from 0.1 sec to 6 hrs
• Control voltage 24V AC/DC
• Optional gold contacts for low energy
  applications
• Easy to use
• Built in LED indicator
• Dip switches to choose timing function and time
  range
• Potentiometer to fine tune timing

Product profile 700-PP027B-EN-P
The smallest timing relay available!
27
Multi-function Plug-in Timing module

• Used With General-Purpose Relays
• Multiple timing modes
• Multiple timing ranges
• LED Timing power indication

Multi-functional timing module
28
Digital Display Timing Relays
Who uses these? Users with accurate applications.
Must see display in process and or wash-down
requirements.

• 700-HX Digital Line
• Socket or Panel Mounted Timing Relay
• Highest visibility - LCD Display
• Our most accurate /- 0.01 operating time
  repeat accuracy
• You choose from 10 functions

700-HX Series C

• 700-HXM Counter/Timer
• Panel Mounted
• Highest visibility - LCD Display
• Pre-Scaling Capability
• Time Range 0.001 s to 9999 hrs

700-HXM Digital Timer/Counter
29
Tube Blade Style Timers
Who uses these? Mostly MRO sales. When higher
than 8A amperage switching is required.

• 700-HS
• On or Off-delay
• 0.1 to 180 second range
• 12 A, DPDT output

• 700-HT
• On or Off-delay
• 0.1 to 180 second range
• 10 A, DPDT output

• 700-HV
• Repeat Cycle Timer
• 0.1 to 30 minutes range
• 10 A, DPDT output

All HS and HT timers are available in custom (or
preset) configurations
30
Industrial Timers

• Pneumatic timer attachments available for most
  industrial relays
• Solid-state timer attachments available.
• Solid-state Timing Relay with sealed contacts for
  harsh environments and hazardous locations

31

• General Purpose Relays Timers - Questions?