模拟输入模块DAM140

Modbus RTU RS485 自动化

Ø用于监控16路模拟输入(0~20mA、4~20mA、0~5V、0~10V)。通过RS485串口支持Modbus RTU协议。10~30VDC供电。Ø DAM140广泛应用于工业自动化控制系统。例如:基站收发站、柴油发电机室、机舱、变电站、电信设备室、供电系统等。Ø DAM140是一款工业级、高可靠性、低功耗、高稳定性、高精度的数据采集模块。Ø阻燃外壳DAM140，标准35mm DIN导轨，便于现场安装Ø 16模拟输入，可0~20mA、4~20mA、0~5V、0~10V;Ø宽范围电源，带反极性连接保护;Ø Modbus RTU协议; Ø ESD Protection circuit for RS485 serial port; Ø Using industrial-grade chips; Ø Built-in watchdog ensure it reliability; Ø Lightning protection ensure it stability; Ø LEDs for status indication makes it easy to program in filed. Items Specifications Rated Power Input 10~30VDC(Peak Voltage must≤40V) Power Consumption Typically ≤3W Communication Protocol Modbus RTU Modbus Address 1~247 Data Format n,8,1; e,8,1; o,8,1 or n,8,2 Communication Interface RS485 Baud Rate 1200, 2400, 4800, 9600, 19200, 38400Bps Analog Input Default: 4~20mA, optional: 0~20mA, 0~5V, 0~10V Update Period 0.12~2.4S Measurement Precision ±0.2%FS Input Resistance Analog channel: Voltage:＞1KΩ, current ≤150Ω