Technical data
Repair
7-3
P/N 7135049A
E 2007 Nordson Corporation
VBC_Siemens
Replacing Pressure Sensor
Profibus Terminating Resistor
The last pressure sensor along the bus must be equipped with a terminating
resistor (120 W).
1
3 4
2
5
120 W
5
2
Fig. 7-2 Example with two pressure sensors
1 Motor controller
2 Connector
3 First pressure sensor
4 Last pressure sensor
5 Terminating resistor
Procedure
1. Switch off the pressure sensor to be replaced (P sensor 1 in the
example). Refer to section Operation.
2. Disconnect the pressure sensor from the profibus.
3. Connect profibus cable to new pressure sensor.
4. Refer to Pressure Sensor Setup in the section Operation for information
on how to proceed.
Fig. 7-3 Example