Products Description
ALSTOM AH116-2 Analog Input Control Module in stock
ALSTOM AH116-2 is a rack-mounted analog input module for ALSTOM ALSPA series DCS control system. It collects analog signals from field transmitters, thermal resistors and thermocouples, converts analog signals into digital data and transmits to the main controller through backplane bus.
This module features multi-channel signal acquisition and galvanic isolation design to resist industrial electrical interference. It belongs to discontinued legacy spare part, widely used for maintenance replacement of old power plant and process automation control systems.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ALSTOM |
| 2 | Model | AH116-2 |
| 3 | Module Type | Analog Input Control Module |
| 4 | Input Signal | 4-20mA, voltage, RTD, thermocouple |
| 5 | Feature | Galvanic isolation for each channel |
| 6 | Mounting | Rack mount, backplane bus connection |
| 7 | Operating Temperature | -20 ~ +70°C |
| 8 | Status | Discontinued legacy spare part |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Collect multi-type analog signals from field sensors and transmitters |
| 2 | Convert analog field signals to digital data for DCS controller processing |
| 3 | Channel galvanic isolation to reduce field electromagnetic interference |
| 4 | Built-in self-diagnostic function with LED indicators for channel status |
| 5 | High-speed data communication via rack backplane bus to main controller |
Application Scenarios
| No. | Application |
|---|---|
| 1 | ALSTOM ALSPA series DCS distributed control rack system |
| 2 | Thermal power plant turbine parameter monitoring system |
| 3 | Petrochemical plant continuous process variable acquisition |
| 4 | Legacy power automation system spare replacement and retrofit |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q: What is ALSTOM AH116-2? A: ALSTOM AH116-2 is analog input module for ALSPA DCS, used to collect analog signals from field sensors and convert to digital data. |
| 2 | Q: What signal types can AH116-2 receive? A: It supports 4-20mA, voltage signal, RTD and thermocouple temperature signals. |
| 3 | Q: Is this module still in production? A: This model is discontinued, only surplus or used spare parts available for old system maintenance. |
