Product Details:

SIEMENS 16249-51-2 is an MBI M-BUS interface communication card adopting standard ISA bus form factor, designed for Moore APACS+ and QUADLOG DCS systems. It is installed inside industrial workstation computers and acts as the data bridge between the host and QUADLOG control rack via M-Bus protocol. It supports bidirectional real-time transmission of process variables, controller operating status, alarm records and engineering configuration files, enabling remote loop monitoring, trend data collection and online control strategy download from the workstation to the DCS rack. The communication card uses multi-layer industrial PCB layout with integrated EMC shielding, transient surge suppression and signal isolation circuits, which can effectively restrain electromagnetic noise and voltage disturbance inside industrial cabinet environments and reduce communication packet loss and disconnection risks during long-cycle continuous operation.

It features standard ISA slot installation, supporting convenient plugging and replacement during communication fault troubleshooting and system upgrade, helping maintenance technicians quickly restore bus communication links and reduce unplanned downtime of critical process loops. The on-board firmware can be configured through APACS+ dedicated engineering software to set station address, baud rate and communication alarm thresholds for matching different bus topology requirements. Built-in bus diagnostic function can detect communication timeout, signal attenuation and hardware anomalies, and feed back fault codes to assist fast on-site troubleshooting. Every spare card will complete M-Bus communication test, signal stability inspection and rack compatibility verification before shipment to ensure reliable connection with original QUADLOG hardware. It is widely stocked as emergency replacement spare parts and workstation communication accessories for legacy process control 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.