The 1769-OW8 is a versatile digital relay output module for Allen-Bradley CompactLogix and MicroLogix 1500 systems. Featuring eight normally open (N.O.) relay contacts, it provides a robust interface for switching AC and DC loads, including motor starters, solenoid valves, and indicator lights. Mechanical contacts offer high voltage flexibility and low on-state resistance, suitable for diverse industrial control environments.
| Item | Specification |
|---|---|
| Module Type | 1769-OW8 |
| Output Count | 8 Normally Open (N.O.) contacts |
| Grouping | 2 isolated groups (4 points per group) |
| AC Voltage Range | 5–265 V AC |
| DC Voltage Range | 5–125 V DC |
| Switching Delay | 10 ms max (On and Off) |
| Backplane Current | 125 mA @ 5.1 V / 100 mA @ 24 V |
| Heat Dissipation | 2.83 W max |
| Power Supply Distance Rating | 8 modules from power supply |
| Isolation Voltage | 265 V AC working (reinforced insulation) |
| Physical Dimensions (W × H × D) | 87 × 35 × 118 mm |
| Mounting | DIN rail or panel mount |
Two separate common terminals allow switching of different voltages or phases.
Each group of four outputs is isolated for added safety.
Relay contacts rated for high-cycle industrial use; RC snubber (AC) or diode (DC) recommended for inductive loads.
Compatible with 1769-PA2, 1769-PB2, 1769-PA4, and 1769-PB4 power modules.
Integrates with CompactLogix 5370 controllers or 1769-AENTR Distributed I/O adapters.
Can I mix AC and DC loads on the same module?
Yes, if separated by isolated groups. For example, Group 1 (outputs 0–3) can switch 120V AC, and Group 2 (outputs 4–7) can switch 24V DC.
What does the Power Supply Distance Rating of 8 mean?
The module must be within 8 slots of the system power supply to ensure adequate voltage and current for reliable relay operation.
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