1781-WO5S - Watchdog Module

Part Number:1781-WO5S

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Timer Values

Price:$43.84

Search Terms: 1781-WO5S-8; 1781-WO5S-16; 1781-WO5S-32

DISCONTINUED

The 1781-WO5S is a Watchdog Module. One 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	3.0	3.0	3.0	3.0	V dc
Max Input Voltage @ Pin 3	5.5	5.5	5.5	5.5	V dc
Must Turn Off Voltage	-	-	1.0	1.0	V dc
Typical Input Current	0 (4A transient)	0 (4A transient)	1.3	1.3	mA dc
Maximum Input Current	0 (5A transient)	0 (5A 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
Contact Default State	Normally Open (N.O.)	Normally Closed (N.C.)	Normally Open (N.O.)	Normally Closed (N.C.)	N/A
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 62.5VA	1A 30 Wdc 62.5VA	1A 30 Wdc 62.5VA	1A 30 Wdc 62.5VA	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

* xxs= value in seconds - 8, 16, 32 sec. (i.e. 1781-W05S-8S : 8 sec. watchdog.)

CROSS-REFERENCE	1781-WO5S	1781-WC5S	1781-RO5S	1781-RC5S
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
Crydom	N/A	N/A	ORR5	N/A
Dataforth	N/A	N/A	RO5S	RC5S

Application Notes