Product Details:
SIEMENS 39ICM411NAN is an ICM interface communication module designed for QUADLOG and APACS+ DCS rack systems, responsible for protocol processing and external network communication between the rack backplane bus and remote host systems or auxiliary automation devices. It establishes stable M-Bus communication channel, transmits real-time process values, controller status, alarm events and configuration data bidirectionally, enabling data exchange between the QUADLOG control rack and industrial workstations, HMI or other auxiliary control equipment. The module adopts industrial multi-layer PCB with complete EMC shielding treatment, built-in surge suppression and signal isolation circuits to reduce electromagnetic coupling and transient voltage damage from cabinet wiring, maintaining stable communication performance during long-term continuous operation.
It uses standard backplane plug-in installation structure and supports convenient removal and replacement during communication failure troubleshooting and system upgrade, which helps maintenance technicians quickly restore bus links and reduce production interruption risks. The ICM module supports communication parameter configuration via APACS+ engineering software, including station address, baud rate and alarm filter settings to adapt to different bus topology requirements. It integrates comprehensive self-diagnosis function to detect bus timeout, signal abnormality and internal hardware faults, and feeds back diagnostic codes to the main control host for rapid fault location. Every spare module will complete bus communication test, signal stability check and fit verification before shipment to ensure reliable matching with original QUADLOG hardware. It is widely stocked as communication spare parts for legacy APACS+ process control DCS systems.

Industry Applications: Applied in petrochemical auxiliary skids, gas flow control systems, boiler closed-loop control rooms and water treatment facilities for conventional analog signal acquisition and valve regulating output.
Note: Confirm SAM combined I/O feature and hardware revision before ordering
This is from our current stock.
| NI | 192061B-02 |
| A-B | 192421 |
| A-B | 192646 |
| TAIAN | 1A-CS1-A0-D1 |
| WEISTINGHOUSE | 1B30023H01 |
| OVATION | 1B30023H01 |
| WESTINGHOUSE | 1B30023H02 |
| WESTINGHOUSE | 1B30023H02 |
| WESTINGHOUSE | 1B30023H02 |
| WESTINGHOUSE | 1B30035H01 |