Owner's manual
Operating Conditions
Ambient Temperature
(Operating):
0 ° C to 55 °C
Ambient Temperature
(Storage):
–20 °C to 80°C
Relative Humidity: 20% - 95% non-condensing
Supply Voltage: 90 - 264V AC 50/60Hz (standard)
20 - 50V AC 50/60Hz or 22 - 65V DC
(option)
Source Resistance: 1000 Ω maximum (thermocouple)
Lead Resistance: 50Ω per lead maximum balanced (Pt100)
Performance Under Operating Conditions
Temperature Stability:
0.01% of span/°C change in ambient
temperature.
Cold Junction
Compensation
(thermocouple Only):
Better than ±1°C.
Supply Voltage Influence: Negligible.
Relative Humidity
Influence:
Negligible
Sensor Resistance
Influence:
Thermocouple 100Ω : <0.1% of span error
Thermocouple 1000Ω : <0.5% of span error
RTD Pt100 50 Ω/lead: <0.5% of span error
A.12 COMMUNICATIONS
Type: Serial asynchronous UART-to-UART link.
Presentation Layer: MODBUS RTU or ASCII, selectable.
Data Format: MODBUS RTU - One start bit, odd/even/no
parity, eight-bit data one stop bit.
ASCII - One start bit, even parity, seven-bit
data, one stop bit.
Physical Layer: RS485.
A-11 S075-A
PM-0075