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CompactPowerMonitor CPM
12.2
Testing the Interface
After connecting the devices, the communication between the PC and the measuring system can be
checked. This is what the menu Communication > Free Communication is there for. First of all, the inter-
face is checked by starting the software on the PC.
Possible error message
Fig. 12.2:
Possible error message
Reason
•
The communication via the bus system is not possible.
Remedy
1. Check the cabling of the devices.
2. Ensure that the voltage supply is connected and turned on (the communication is only possible if the bus
is supplied with 24 V direct current voltage).
3. Turn off the voltage supply and turn it on again.
Possible error message (only when operated with the PRIMES converter)
Fig. 12.3:
Possible error message
Reason
•
The software can not open the preset interface.
Remedy
1. Check whether another software, e.g. a fax software or a parallel running LaserDiagnosticsSoftware LDS,
is just using the interface. A serial port can only be used by one software at a time.
2. Check whether the software opens the right port. After starting the software, the interface used can be
changed in the menu Free Communication. Here, all interfaces available for the software are displayed
(drop-down list Com port).
Revision 02/2019 EN
39
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