GE IS400SRLYS2A Output Terminal Board in stock

GE IS400SRLYS2A is a simplex relay output terminal board for GE Mark VIeS Speedtronic turbine control system, compatible with IS420YDOAS1B discrete output I/O pack. It adopts Form‑C dry contact design to switch field solenoid valves, interlock and trip equipment.

It is equipped with Euro-style wiring terminals and supports DIN rail installation. Optional daughterboards can add contact wetting and fuse protection, with relay feedback circuit for the I/O pack to detect contact working status in real time.

Data Parameters

• 1. Brand: GE.

• 2. Model: IS400SRLYS2A.

• 3. Product Type: Simplex Relay Contact Output Terminal Board.

• 4. Application: Mark VIeS Speedtronic Turbine Control System.

• 5. Feature: 12 channels Form‑C dry contact relay output.

• 6. Characteristic: Contact feedback monitoring, electrical isolation design.

• 7. Communication: Matched with IS420YDOAS1B I/O pack.

• 8. Package: Original terminal board assembly.

• 9. Mounting: DIN rail installation inside control cabinet.

• 10. Operating Temperature: -30℃ ~ +65℃.

Core Functions

• 1. Provide isolated relay switching interface for solenoid valves and interlock loops.

• 2. Transmit relay contact feedback signal back to I/O pack for status diagnosis.

• 3. Isolate control side and field load side to suppress electromagnetic interference.

• 4. Output emergency trip, alarm and protection interlock signals for turbine system.

• 5. Support optional sub-board for fuse protection and contact wetting function.

Application Scenarios

• 1. Gas turbine and steam turbine Mark VIeS safety control cabinet.

• 2. Power plant protection interlock and emergency trip control system.

• 3. Oil & gas industry safety instrument system signal output.

• 4. GE Speedtronic control cabinet renovation and spare replacement.

• 5. Power industry turbine safety control spare parts inventory backup.

FAQ

• 1. Q: What is GE IS400SRLYS2A?
      A: It is a simplex relay output terminal board for Mark VIeS turbine control system.

• 2. Q: Which I/O pack matches this terminal board?
      A: It works with IS420YDOAS1B discrete output I/O pack.

• 3. Q: What is the difference between IS400SRLYS2A and IS410SRLYS2A?
      A: They are similar in function, different hardware revision variants of SRLY terminal board.