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SPECIFICATIONS:
Part Number: IS200TRLYH1BEC
Manufacturer: General Electric
Series: Mark VI
Number of output relay channels: 12
Product Type: Relay Output Terminal Board
Maximum Load Current: 24 V dc
Technology: Surface Mount
Size: 17.8 cm wide x 33.02 cm high
Temperature: -30 to 65ºC
Repair: 3-7 Days
Weight: 2.00 lbs
Country of Origin: USA
Availability: In Stock
Manual: GEI-100863
FUNCTIONAL DESCRIPTION:
IS200TRLYH1BEC is a Relay Output Terminal Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic turbine control systems. TRLYH1B holds 12 plug-in magnetic relays. The first six relay circuits can be jumpers configured for either dry, Form-C contact outputs, or to drive external solenoids. A standard 125 V dc or 115/230 V ac source, or an optional 24 V dc source, with individual jumper selectable fuses and onboard suppression, can be provided for field solenoid power. The next five relays (7-11) are unpowered isolated Form-C contacts. Output 12 is an isolated Form-C contact, used for special applications such as for ignition transformers. In Mark VI systems, TRLY is controlled by the VCCC or VCRC board. Cables with molded plugs connect the terminal board to the VME rack where the I/O boards are mounted. Simplex and TMR systems are supported. Plug JA1 is used on simplex systems, and plugs JR1, JS1, and JT1 are used for TMR systems.
INSTALLATION:
The 12 relay outputs are wired directly to two I/O terminal blocks mounted on the terminal board as shown in the following figure. Each block is held down with two screws and has 24 terminals accepting up to #12 AWG wires. A shield terminal strip attached to the chassis ground is located on the left side of each terminal block. Solenoid power for outputs 1-6 is normally plugged into JF1. JF2 can be used to daisy chain power to other TRLYs. Alternatively, customer power may be wired directly into TB3 when power is not plugged into JF1/JF2. JG1 provides power to the customer’s special solenoid, Output 12.
OPERATION:
Relay drivers, fuses, and jumpers are mounted on the relay terminal board. For simplex operation, D-type connectors carry control signals plus monitor feedback voltages between the I/O processors and TRLY through JA1. Relays are driven at the frame rate and have a 3.0 A rating. The rated contact voltage is 500 V ac for one minute and the rated coil-to-contact voltage is 1,500 V ac for one minute. The typical time to operate is 10 ms. Relays 1-6 have a 250 V MOV for transient suppression between normally open and the power return terminals. The relay outputs have failsafe features when a cable is unplugged, or communication with the associated I/O processor is lost. The inputs vote to de-energize the corresponding relays.
WOC has the largest stock of GE Speedtronic control system replacement parts. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly contact our team by phone or email.
How many relay channels does the Relay Output Terminal Board have?
The Relay Output Terminal Board features 12 relay output channels. The first six can be configured for either dry, Form-C contacts or external solenoid control, while the remaining relays are isolated Form-C contacts.
What power sources are supported for the relay outputs?
The board supports 125 V DC, 115/230 V AC, and optionally 24 V DC for solenoid power. Each relay output is equipped with fuses and transient suppression to ensure safe operation.
What type of systems is the Relay Output Terminal Board compatible with?
The board is compatible with Simplex and TMR (Triple Modular Redundant) systems. Plug JA1 is used for simplex operation, while plugs JR1, JS1, and JT1 are used for TMR systems.
