10 Appendix
94
NOTE:
In the PCB of the probe there is a shut-off plug valve, Which must be opened uring
calibration with compressed air or test gas.
Should be the probe installed in a inaccessibly location, a additional shut-off plug
valve can be installed in the near of the LT2.
In such a case, the internal valve can be always opened.
CAUTION!
After calibration, the compressed air or test gas must be closed.
The reference air must be always connected and be opened.
10.5 Electrical connection to field bus module
shield
LT2/KS 1DK
ENTER
PE-bar
Term.74 CAN-H
Term.75 CAN-L
Term.71 CAN-GND
without function
Profibus DP
4
LAMTEC SYSTEM BUS
2 3
PROFIBUS
X2
1056789
PB X1
X3
Profibus DP
PB X2
Term.60 +24V
Term.61 0V
with termination
resistor for LSB
shield
shield
termination resistor for LSB enable
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