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1781-WO5S - Watchdog Module
1781-WO5S

1781-WO5S - Watchdog Module

Part Number:1781-WO5S

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Price:$28.62

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Search Terms: 1781-WO5S-8; 1781-WO5S-16; 1781-WO5S-32
The 1781-WO5S is a Watchdog ModuleOne in a series of solid-state relays commonly used in industrial applications.

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
Tyco/P&B N/A N/A N/A N/A
Crydom N/A N/A ORR5 N/A
Continental N/A N/A N/A N/A
Analog Devices N/A N/A N/A N/A
Dataforth N/A N/A RO5S RC5S
 
 
Part Numbers:
  • 1781-WO5S-8
Application Notes

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

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