Technical Specifications Modbus RTU / ASCII master and slave; Dual serial ports; ControlLogix backplane interface; Hot swappable; Operating temperature 0~60°C.
Functional Features Support Modbus master and slave mode. Bidirectional data mapping between Modbus register and ControlLogix tag. Communication diagnostic and error statistics. Online module replacement.
Application Scenarios Oil & gas, water treatment, power, manufacturing automation, connecting ControlLogix PLC with Modbus pressure transmitters, flow meters and frequency converters.
Performance Parameters High-speed Modbus polling; Support multiple Modbus slaves; Configurable timeout and retry parameters.
Structural Characteristics Plug-in ControlLogix rack module, two serial ports, LED indicators for run, communication and fault alarm.
Working Principle The module communicates with ControlLogix controller via rack backplane. It acts as Modbus master or slave to read/write Modbus register data from field devices and exchange data with PLC tags.
Installation Requirements Install into ControlLogix rack slot and secure locking mechanism. Use shielded twisted pair for Modbus serial wiring. Configure Modbus command list in Prosoft software.
Usage Notes Do not hot swap under power-on state. Check LED indicators for abnormal communication status. Set correct baud rate and parity to match Modbus field devices.
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