
Technical Data
CAN-CBX-THERMO
Manual • Doc.-No.: C.3034.21 / Rev. 1.2
Page 15 of 123
3.4 Thermocouple Interfaces
Number
4 independent
no
A/D-converter channels
Cold junction compensation
via internal digital temperature sensor,
temperature measured at the sensor clamp
Sensor types
- J, K, B, E, N, R, S or T thermocouples
with cold junction compensation
- voltage measurement
Accuracy
sensor dependent (< 0.1
p
C)
Input impedance
> 1 M
q
Conversion rate
2.5 Hz ... 1000 Hz
Resolution
<1
r
V at 25 Hz conversion rate
s
< 0.1
p
C
Maximum sensor voltage
± 1.024 V
Electrical isolation
electrical isolation of thermocouple inputs against each other
and against power supply
Connector
12-pin line connector with screw connection
Table 4: Data of analog inputs
3.5 Software Support
The firmware of the module comes with CANopen firmware according to CiA 301 [1] and supports
the CiA 404 [4] profile for measuring devices.
The CAN-CBX-THERMO EDS-file can be downloaded from the esd website
www.esd.eu
.