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Configured for relay contact switching and signal termination in Mark VI systems, the GE IS200TRLYH1BGE (IS200TRLY Termination Relay Card) provides direct physical/electrical execution. The board routes control logic commands to drive 12 Form C mechanical relays through voted coil drive paths and provides MOV surge suppression across 48 barrier terminal connection points.

Hardware Specifications

Parameter Specification
Model IS200TRLYH1BGE
Brand GE
Origin United States
Weight 1.5 kg (3 lbs 4 oz)
Dimensions 33.0 cm x 17.8 cm x 7.6 cm (13.0 in x 7.0 in x 3.0 in)
Operating Temp Standard Industrial Limits
Power Consumption Rack Backplane / Coil Powered
Relay Channels 12 Form C relays (socketed, sealed mechanical)
Output Ratings 24 VDC at 3 A, 125 VDC at 0.6 A, 120/240 VAC at 3 A
Circuit Protection 6 fused branches, MOV suppression, 1 unfused relay
Field Terminals 48 barrier terminal points
Coil Logic Voted coil drive architecture

Backplane Bus and I/O Density Scaling

The IS200TRLYH1BGE integrates into Mark VI I/O racks to deliver high-density discrete output execution without burdening central backplane bus communication velocity. Onboard voted coil drive circuitry processes redundant control signals, allowing high discrete channel density across the 48 barrier terminal interface points while ensuring deterministic contact state transition speed and firmware flash compatibility.

Frequently Asked Questions

Q: What are the contact switching current ratings for the onboard relays across different voltage ranges?

A: The onboard Form C relays are rated for maximum switching currents of 3 A at 24 VDC, 0.6 A at 125 VDC, and 3 A at 120/240 VAC.

Q: How is transient electrical surge protection handled across the output circuits?

A: Metal Oxide Varistor (MOV) suppression components are integrated onboard across the relay contacts to mitigate inductive kickback and voltage spikes during circuit interruption.

Q: Are the individual relay channels field-replaceable?

A: The board utilizes socketed, sealed mechanical relays, allowing direct single-component mechanical replacement without desoldering the printed circuit assembly.

Field Installation Guidelines

Mount the card into the designated Mark VI terminal rack slot using standard retaining hardware to maintain a solid chassis earth ground connection. Connect all field discrete wiring to the 48 barrier terminals using crimped spade or ring lugs, torquing screws to standard cabinet specifications. Route AC load lines in separate wire ducts away from low-voltage DC logic signaling to avoid cross-talk. Verify that branch fuse ratings match loop load requirements before energizing external relay voltage sources.

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