Features 1 Working voltage: 5V (5V version), 8-16V (12V version); 2 Working current: 12-15MA; 3 MODBUS RTU command supports 03, 06, 16 function codes; 4 RS485 interface/TTL232 interface optional 5 Sensor model: HX711, 24-bitADC 6 Load cell input signal range: ±20mv 7 Sampling rate: 10HZ or 40HZ can be set 8 The functions of baud rate, division value, zero-chasing range, median filter, average filter, dynamic tracking, etc. are integrated inside. 9 Default baud rate 9600 N 8 1, baud rate and parity bit optional 10 If the setting is wrong, you can short-circuit ''RESET'' for 5 seconds to restore the factory settings 11 In MODBUS RTU command mode, up to 247 devices can be used in parallel 12 size: 45*16.5*6.2mm 13 Weight: 4 grams
For Modbus rtu command details, see ''WG18A02 Modbus RTU Commands'' For software usage, please refer to ''WG18A02TestTool Instructions for Use''
Pin description: VIN : Working Power+ GND : Working power- A+(T): RS485 A+/TTL232 TXD B-(R) : RS485 B-/TTL232 RXD E+ : Sensor Power+ E- : Sensor Power- A- : Sensor signal output- A+ : Sensor signal output+