Description :
PTA9B01 PT100 RS485 Acquisition module Description:
Working voltage: DC 8-25V(Recommend DC 12V)
Working current: 8-13MA
MODBUS RTU protocol, 03 read command, 06 write command.
Serial port baud rate: 9600 (default), N, 8, 1
By modifying the 485 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 -20? to +400?; B version -20? to +220?. It is recommended to select a version with a smaller range within the range that meets the measurement.
Temperature measurement accuracy: 1%.
Size: 60 X 30 X 16MM
Weight: 16g
MODBUS RTU protocol please refer to : '' PTA9B01 PT100 RS485 sensor protocol ''
PT100 sensor specifications:
Type: PT100 Thermocouple
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
Shell:
Material: ABS
Outer diameter: 73*36*24MM
Inner diameter: 70*33*21MM
Weight: 16 grams
Typical application:
