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    1781 I/O Modules

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  InterMapper Compatible

iButton Authorized Solutions Developer

1781-WC5S - Watchdog Module

The 1781-WC5S is a part of a series of Relay Output & Watchdog Modules that snap right in to our TxSS boards.

General Specifications

  • Operating Temperature Range: -30 to +80 deg. C
  • Isolation Voltage: 1000 Vrms
  • Capacitance Input to Output: 8 pF
INPUT 1781-WO5S* 1781-WC5S* 1781-RO5S 1781-RC5S Units
Nominal Input Voltage 5 5 5 5 V dc
Min. Input Voltage @ pin 3 3 3 3 3 V dc
Max. Input Voltage @ pin 3 5.5 5.5 5.5 5.5 V dc
Must Turn Off Voltage - - 1 1 V dc
Typical Input Current 0 (4 A transient) 0 (4 A transient) 1.3 1.3 mA dc
Maximum Input Current 0 (5 A transient) 0 (5 A transient) 2.2 2.2 mA dc
Nominal Input Resistance 2.2K (series 0.1 uF) 2.2K (series 0.1 uF) 2K 2K ohm
Typical V+ Supply Current 50 50 50 50 mA dc

 

OUTPUT 1781-WO5S* 1781-WC5S* 1781-RO5S 1781-RC5S Units
Nominal Line Voltage 5 5 5 5 V dc/ V rms
Maximum Line Voltage 100/125 100/125 100/125 100/125 V dc/ V rms
Minimum Line Voltage 0 0 0 0 V dc/ V rms
Max Peak Off-state Voltage 100/125 100/125 100/125 100/125 V dc/ V rms
Max. Off-state Leak. Current 0 0 0 0 mA dc

Maximum On-state Current

 

1A, 30 Wdc

62.5 VA

1A, 30 Wdc

62.5 VA

1A, 30 Wdc

62.5 VA

1A, 30 Wdc

62.5 VA

Resistive Load

 
Minimum On-state Current 0 0 0 0 mA 
Maximum 1 Second Surge 2.5 2.5 2.5 2.5 A peak
Peak On-state Voltage 0.25 0.25 0.25 0.25 V dc
Maximum Turn-on Time 2 2 2 2 ms
Minimum Turn-on Time 1 1 1 1 ms
Normal Contact State Open Closed Open Closed  
* xxs= value in seconds - 8, 16, 32 sec. (i.e. 1781-W05S-8S : 8 sec. watchdog.)

 

CROSS-REFERENCE

 WO5S WC5S RO5S RC5S

Potter Brumfield

 N/A N/A N/A N/A

OPTO-22

 N/A N/A ODC5R ODC5R5

Grayhill

 N/A N/A 70-ODC5R N/A

Crouzet / Gordos

 N/A N/A ORR5 N/A

Application Notes

  • Relay & watchdog modules are rated for resistance loads only.

Support / Documentation

Downloadable manuals, knowledgebase articles, and more can be found by searching our technical support website.


Purchasing Information
Product Options
Timer Value in Seconds
8 Seconds - Add $0.00
3 available for immediate shipment.
16 Seconds - Add $0.00
Out of stock. Order now and we will ship asap.
32 Seconds - Add $0.00
Out of stock. Order now and we will ship asap.
Volume Price
Quantity Price Each
1-24$24.00
25-99$21.60
100+$19.20

Shipping Weight: 0.05 pounds

Quantity Currently in Basket:none
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