Description
The GE IS230TDBTH6A is a high-reliability discrete input/output terminal board developed for the General Electric Mark VIe control platform. Operating as a simplex interface component, this board is engineered to accept and route discrete digital signals directly from industrial field sensors and switches to the supervisory I/O packs, providing secure electrical termination and signal conditioning.
Product Datasheet
- Model Number: IS230TDBTH6A
- Series: Mark VIe Distributed Control System (DCS)
- Manufacturer: General Electric (GE)
- Product Type: Discrete Input Terminal Board (Simplex)
- Channels: Supports up to 24 discrete dry contact inputs
- Dimensions: 159 mm x 42 mm x 102 mm
- Weight: 0.65 kg
- Country of Origin: United States
- Voltage Rating: Supports 24 VDC, 48 VDC, and 125 VDC excitation options
GE IS230TDBTH6A
GE IS230TDBTH6A
Application Fields
This terminal board is utilized in demanding industrial architectures that require reliable, point-to-point discrete signal acquisition. Common deployment areas include:
- Gas and Steam Turbine Monitoring: Tracking auxiliary contact statuses, limit switches, and trip levers.
- Balance of Plant (BOP) Systems: Aggregating discrete alarms from pumps, fans, and valves across power stations.
- Petrochemical Refining: Interfacing with explosion-proof field switches in hazardous environment enclosures.
- Heavy Industrial Automation: Routing safety interlocking data and digital sequence tracking contacts.
Product Instructions
To ensure correct signal transmission and preserve the integrity of the input circuitry, observe these field guidelines:
- Enclosure Mounting: Fasten the terminal board to a secure panel backplate inside a dust-free, climate-controlled industrial cabinet.
- Field Wiring Connection: Connect the discrete field wires to the onboard barrier terminal strips. Ensure screw terminals are torqued down correctly to prevent intermittent contact faults.
- I/O Pack Attachment: Align and plug the compatible Mark VIe discrete I/O pack directly onto the board’s matching connectors, securing it with the integrated retaining hardware.
- Excitation Configuration: Verify that the jumper settings or software parameters for the loop excitation voltages are properly matched to the field instrument requirements before applying line power.
Questions and Answers
Q: What is the main operational difference between a simplex and a TMR terminal board? A: A simplex board like the IS230TDBTH6A routes field signals to a single I/O pack for standard processing loops. Triple Modular Redundant (TMR) boards split or vote field inputs across three parallel I/O packs to provide maximum fault tolerance.
Q: Does the IS230TDBTH6A provide built-in surge protection for the inputs? A: Yes, this terminal board features integrated noise filters and metal oxide varistors (MOVs) to protect the sensitive upstream control electronics from high-voltage field surges and high-frequency interference.
Q: Can I use this terminal board with alternating current (AC) inputs? A: This specific variant is designed primarily for DC discrete excitation inputs. Always verify the input hardware revision and reference the official wiring diagram before connecting any AC control voltages.
Q: Where can I check global inventory levels or request a price quote for this board? A: To verify lead times, certified testing options, or to get an immediate quote on the GE IS230TDBTH6A, please reach out directly through our automated commercial contact page.
