(PT100 RTD to Digital RS485 Converter - -40~500 deg)
개요
본 제품은 PT100 RTD 온도센서 - RS485 변환 모듈 - -40도~500도 입니다.
PT100 RTD 온도센서를 연결하여 측정된 신호를 RS485로 읽을 수 있는 제품입니다.
3선/2선 와이어 PT100 온도센서와 사용가능합니다.
특징
Working voltage: DC 6-25V (12V recommended)
Working current: 9-15MA
MODBUS RTU protocol, 03 read command, 06 / 16 write command.
Serial port baud rate: 9600 (default), N, 8, 1
By modifying the RS485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater)
Can read temperature and PT100 resistance value
Adapted sensor: PT100 3-wire or 2-wire sensor
Temperature measurement range: A version -40℃ to +220℃; B version -40℃ to +500℃. It is recommended to select a version with a smaller range within the range that meets the measurement.
Temperature measurement accuracy: 1%.
Size: 49 X 27 X 15MM(with Terminal),30 X 22 X 3MM(no Terminal)
Weight: 13g(with Terminal),3g(no Terminal)
New features (compared to the old version PTA9B01):
1 Baud rate can be set: 1200 2400 4800 19200 38400 57600 115200BPS
2 Check digits can be set: None, Even Parity, Odd Parity
3 Add Fahrenheit temperature
4 Add 16 (0X10) function codes
5 Add RES hardware reset function
Note: The module will restore factory settings and restart automatically after 5 seconds of shorting the RES port.
PT100 sensor specifications:
Type: PT100
Probe Diameter: 6.5mm
Probe Length: 30mm
Probe Material : Stainless steel
Cable Length: 0.5M
PTFE sheath 3-Wire type
Temperature -200~550°C degree
