Description
The ALSTOM POS1846 TRVC062333000 (CP00000310) is an industrial control module used in ALSTOM turbine control and automation systems. It is designed as a precision signal processing and control board, providing position feedback acquisition and communication functions within ALSTOM Contronic and related control platforms.
The POS1846 module is mainly associated with LVDT position measurement applications. It provides excitation, signal conditioning, and conversion of LVDT displacement signals for turbine valve position monitoring and closed-loop control. It is commonly used in steam turbine governing systems, power generation automation, and legacy ALSTOM control racks.
This Eurocard-style plug-in module supports reliable operation in industrial environments and is widely used as a replacement spare part for ALSTOM turbine control system maintenance, retrofit, and repair projects.
🔹 Product Parameters
| Parameter | Specification |
|---|---|
| Brand | ALSTOM |
| Model | POS1846 |
| Part Number | TRVC062333000 / CP00000310 |
| Series | ALSTOM Contronic / Turbine Control System |
| Product Name | Position Control Module / CPU Motherboard |
| Application | Turbine Valve Position Feedback & Control |
| Signal Type | LVDT Position Signal Processing |
| Communication Interface | Internal Rack Bus Interface |
| Origin / Place of Manufacture | France / Europe |
| Product Status | New Surplus / Refurbished / Used Available |
| Module Type | Eurocard Plug-in Control Board |
| Power Supply | 24 VDC Backplane Supply |
| Input Device | LVDT Linear Displacement Sensor |
| Installation Type | Rack Mounted Plug-in Module |
| Operating Temperature | Approx. -10°C to +60°C |
| Protection Level | IP20 (Installed Cabinet Environment) |
| Dimensions | Approx. 233 × 160 × 20 mm |
| Weight | Approx. 0.5 kg |
| Discontinued Status | Legacy Product, Limited Availability |
🔹 Common Questions & Answers
Q: What is the main function of ALSTOM POS1846?
A: The POS1846 is a position measurement and control module used to process LVDT feedback signals for turbine valve control applications.
Q: Is POS1846 a PLC CPU module?
A: It is a specialized industrial control board rather than a standard PLC CPU. It performs dedicated signal processing and control functions inside ALSTOM turbine control systems.
Q: Which systems use the POS1846 TRVC062333000?
A: It is commonly used in ALSTOM Contronic and related turbine governing control platforms.
Q: What type of sensor does this module support?
A: The module is designed for LVDT linear displacement sensors used for turbine actuator and valve position feedback.
Q: What are common failure symptoms?
A: Typical issues include incorrect valve position feedback, LVDT signal errors, control rack alarms, unstable actuator regulation, or module communication faults.
Q: What should be checked before replacement?
A: Confirm the exact model number, TRVC062333000 code, rack position, firmware compatibility, sensor wiring, and existing ALSTOM control configuration.
Q: Is POS1846 still manufactured?
A: It is considered a legacy ALSTOM spare module and is mainly available through industrial surplus inventory and refurbishment channels.
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