IS200TRLYH1B Product datasheet   

IS200TRLYH1B Functional Description 

General Electric IS200TRLYH1B Relay Output Terminal Board is a Relay Output Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in the GE Distributed Turbine Control Systems. The Relay Output with TMR contact voting (TRLY) terminal board provides 12 contact-voted relay outputs. The board holds 12 sealed relays in each TMR section, for a total of 36 relays. The relay contacts from R, S, and T are combined to form a voted Form A (NO) contact. 24/125 V dc or 115 V ac can be applied.

TRLY does not have power distribution. For the Mark VI and VIe control systems, an optional power distribution board, IS200WPDFH1A, can be added so that a standard 125 V dc or 115 V ac source, or an optional 24 V dc source with individual fuses, can be provided for field solenoid power. IS200WPDFH2A provides a single fuse in the high side (pin 1 of J1–J4) of each power distribution circuit for ac applications where a fuse in neutral return wire (pin 3 of J1–J4) is not desirable. IS200TRLYH1B General Electric PDF is the same as TRLY1F except that the voted contacts form a Form B (NC) output. Both boards can be used in Class 1 Division 2 applications.

This General Electric Terminal Board IS200TRLYH1B only supports TMR applications. The relay control signals are routed into TRLY1F from the three I/O processors R, S, and T through plugs JR1, JS1, and JT1. These signals directly control the corresponding relay driver for each TMR section R, S, and T. Power for each section’s relay coils comes in from its own I/O processor and is not shared with the other sections. TRLY features TMR contact voting. The relay contacts from R, S, and T are combined to form a voted Form A (NO) contact. 24/125 V dc or 115 V ac can be applied. TRLY is the same except that the voted contacts form a Form B (NC) output.