3 in 1 RS485 Modbus RTU Current & Voltage Meters Board 0-30V Voltage Signal Measurement 2A Current Collection Module

Description

Package inlcuded: 0-2A Current and 0-30V voltage collector（Please select the version you need） Description: Power supply voltage: DC 8-25V(12V recommended); Operating current: 8-13MA; MODBUS RTU protocol: 03 read command, 06/16 write command. Serial port Baud rate: 1200 2400 9600(default) 19200 38400 57600 115200 ,N/E/O,8,1; By modifying the RS485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater); Voltage and current values can be read; Current measurement range: 0~1A, 0~2A, and 0~5A. It is recommended to select a version with a smaller range within the range that meets the measurement; Voltage measurement range: 0~30V; Measurement accuracy: 1%. If the read value is too different from the actual value, recalibrate Size: 72X 47 X 12MM(only board),87X 50X 37MM(with case) Weight: 23g(board only),68g(with case) Note: This product is used to collect small current signals from time to time. If you need a 4-20MA signal collector, please choose the following products: N4AIA04 N46IB02 N43IC04 Note: The module will restore factory settings and restart automatically after 5 seconds of shorting the RES port. MODBUS RTU protocol please refer to : '' N4VIA02 Modbus RTU''