SLC 500 1746-OW4 Allen Bradley 4 Channel Relay Output Module

SLC 500 1746-OW4 Allen Bradley 4 Channel Relay Output Module

Output Catalog Numbers 1746-OA8, 1746-OA16, 1746-OAP12, 1746-OB8, 1746-OB6EI, 1746-OB16, 1746-OB16E, 1746-OBP8, 1746-OBP16, 1746-OG16, 1746-OV8, 1746-OV16, 1746-OVP16, 1746-OW4, 1746-OW8, 1746-OW16, 1746-OX8

Input Catalog Numbers 1746-IA4, 1746-IA8, 1746-IA16, 1746-IB8, 1746-IB16, 1746-IC16, 1746-IG16, 1746-IH16, 1746-IM4, 1746-IM8, 1746-IM16, 1746-IN16, 1746-ITB16, 1746-ITV16, 1746-IV8, 1746-IV16

Combination Input/Output Catalog Numbers 1746-IO4, 1746-IO8, 1746-IO12, 1746-IO12DC

For combination I/O modules 1746-IO4, 1746-IO8, 1746-IO12, and 1746-IO12DC): The first several seconds of any powerup or when power is applied to a rack that is not under processor control, the output LED indicators of the combined input and output modules in the rack will be illuminated.

Racks are not under processor control if one of the following conditions exists: • Modular Hardware Style (only): Processor is absent from the rack or the rack interconnect cable is not properly connected. • Modular Hardware Style and Fixed Hardware Style: The processor does not have the firmware PROM installed or the processor is not functioning properly.

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