SKF Multilog On-line System IMx-T User Manual page 38

Troubleshooting Guide
Component Check
Checking Monitor
1. Check first, whether the @ptitude Observer Monitor or Analyst IMx Service PC
2. Try restarting the computer, if there is any doubt as to the status of the
3. Check also that the Ethernet network is functioning and that the @ptitude
Checking Modbus sensor
1. Start @ptitude Observer On-line Device Configurator program located in the
2. Click Start serial interface.
3. On the Serial interface screen, enter the COM port number and type in the
4. Statistics on communication and the contents of the import registers will
5. A properly working Modbus communication should exhibit increasing sent and
6. In case of errors or timeouts, check that all of the following are correctly
7. This process of checking Modbus sensor can be done several times during the
6-38
is functioning as it should be.
@ptitude Observer Monitor or Analyst IMx Service software.
Observer Monitor or Analyst IMx Service computer can write to the server disk.
@ptitude Observer directory.
word "modbus" in the command box.
appear on the screen.
The statistics are:
· Frame errors (short and long)
Checksum errors
·
· The number of messages sent
· The number of messages received
The number of timeouts of requests
·
received messages, but not exhibit significant increase of errors or timeouts.
installed:
Physical connections of RS485 cable wires are done correctly
·
· Transmission characteristics are defined correctly
The Modbus Master-Slave pair address is entered correctly
·
RS485 termination is done correctly
·
test to diagnose the communications or lack of it.
SKF Multilog On-line System IMx-T
User Manual, Revision F