18 DeviceNet Base RTD and Thermocouple CompactBlock LDX I/O
Publication 1790-IN011C-EN-P - January 2015
Sensors supported
Sensor Type
Range
Scaling
Voltage 10V
-76.50…+76.50 mV
-7650…+7650
Type B
300…1800 °C
3000…18000
Type E
-270…1000 °C
-2700…10000
Type J
-210…1200 °C
-2100…12000
Type K
-270…1370 °C
-2700…13700
Type R
-50…1768 °C
-500…17680
Type S
-50…1768 °C
-500…17680
Type T
-270…400 °C
-2700…4000
Type N
-270…1300 °C
-2700…13000
Resolution
16 bits, 0.1°C/bit or 0.1°F/bit (Thermocouple Sensors) 20 bit Sigma-Delta
modulation converter
Data format
16 bit Integer (2’s compliment)
Module scan time,
per channel
140 ms @ Notch filter = 60 Hz
Overall accuracy
0.2% Full scale @ 0…60 °C
Settable notch filter
10 Hz (default), 25 Hz, 50 Hz, 60 Hz, 100 Hz, 250 Hz, 500 Hz
Open wire detection
Out of range, open wiring
Cold Junction
Compensation range
0…70 °C
General Specifications
Attribute
Value
DeviceNet power
Supply voltage – 24V DC nom
Voltage range – 11…28.8V DC
DeviceNet power dissipation
1.2 W max @ 28.8V DC
Network length
500 m (1640 ft) max @ 125 Kbps
100 m (328 ft) max @ 500 Kbps
4-Channel Input Thermocouple Base Module – 1790D-4T0, 1790D-T4T0
Attribute
Value
