Description
Technical Parameters
Product Introduction
The Relay Output with Solenoid Integrity Sensing (TRLYS1D) terminal board holds six plug-in magnetic relays. The six relay circuits are Form-C contact outputs, powered and fused to drive external solenoids. A standard 24 V dc or 125 V dc source can be used. The board provides special feedback on each relay circuit to detect a bad external solenoid. Sensing is applied between the NO output terminal and the SOL output terminal.
Technical Specifications
|
Manufacture |
General Electric(GE) |
|
Model |
IS200TRLYS1D |
| Part Number | IS200TRLYS1D |
|
Description |
Mark TRLYS1D Relay Output with Solenoid Integrity Sensing |
|
Origin |
USA |
|
Dimension |
37*17*9cm |
|
Weight |
0.85kg |
Product Details
TRLYS1D is similar to the standard TRLYS1B board except for the following:
• There are six relays.
• The board is designed for 24/125 V dc applications only.
• Relay circuits have a NO contact in the return side as well as the source side.
• The relays cannot be configured for dry contact use.
• Input relay coil monitoring is removed.
• The terminal board provides monitoring of field solenoid integrity.
• There is no special-use relay for driving an ignition transformer.
RLYS1D Installation & Operation：1.Connect the wires for the six relay outputs directly to the TB1 terminal block on the terminal board. The block is held down with two screws and has 24 terminals accepting up to #12 AWG wires. A shield terminal strip, attached to chassis ground, is located immediately to the left of the terminal block. Connect the solenoid power for outputs 1-6 to JF1. JF2 can be used to daisy-chain power to other TRLYs. Do not use TB3.
2.The six relays have a MOV and clamp diode for transient suppression between the NO and power return terminals. The relay outputs have a fail-safe feature that votes to de-energize the corresponding relay when a cable is unplugged or communication with the associated I/O pack is lost.
The TRLYS1D monitors each solenoid between the NO and SOL output terminals. When the relay is de-energized, the circuit applies a bias of less than 8% nominal voltage to determine if the load impedance is within an allowable band. An alarm is generated when the contact is open and the impedance is too low or too high for 20 consecutive scans (500 ms frame rate = 10 seconds). The contacts must be open for at least 1.3 seconds to get a valid reading.
For simplex operation, cables carry control signals and solenoid monitoring feedback voltages between the I/O pack and TRLYS1D through JA1. For TMR applications, relay control signals are fanned into TRLYS1D from the three I/O packs R, S, and T through plugs JR1, JS1, and JT1. These signals are voted and the result controls the corresponding relay driver. Power for the relay coils comes in from all three I/O packs and is diode-shared.
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