IMC CANSAS - Recognition of Sensor by Means of Wire Jumpers

UNI8: universal 427
imc CANSAS Users Manual - Doc. Version 1.9 - 05.12.2014© 2014 imc Meßsysteme GmbH
6.20.12 Recognition of sensor by means of wire jumpers
Besides the convenient sensor recognition capability provided by an EPROM (TEDS), there is also the
possibility to use wire jumpers to broadly specify the sensor type. However, only a thermocouple of type
K can be unambiguously recognized in this way. This option must be set globally in the CANSAS software.
Go to the menu item
Extras -> Options… -> Sensor and select under
Identifying data -> Interpret jumper F-G as a Type K thermocouple.
The UNI8 unit will enter a Type K thermocouple as connected in the configuration:
The following shows the existing possibilities and how UNI8 interprets them:
Signal source
Connection pins
The module recognizes
no measurement source
D-E open
ext. current source on, overload between +Sense
and Sense
thermocouple Typ-K
F-G jumpered
D-E open
ext. current source on, no voltage between
+Sense and –Sense, thermocouplemounted
without ground reference*
RTD (Pt100) 3-line/ 4-line, ¼ bridge
resistance/ potentiometer Nippo Denso
sensors with voltage adjustment
D-E jumpered
RTD connected
sensible value for Pt100 (R<1000 )
unknown measurement source
D-E jumpered
Pt100 overloaded
measurement source with sensor
recognition EPROM
Chip an D-E
*Before version 1.8 the jumper F-G configured "Thermocouple with ground reference".