Installation OZD Profi 12M ...
Release
01
07/2017
65
Note: Configuration (these settings can usually be set on the PROFIBUS
master using configuration software, not on the OZD Profi 12M … ):
– Slot time configured correctly? (for basics, see chapter “Redundant ring”
for calculation, see “TSLOT.exe”)
– Retry value configured correctly? (target value ≥ 3, see chapter
“Redundant ring”).
– Value of MIN T
SDR
configured correctly? (target value ≥ 11, see chapter
Retry).
– In case of redundant optical ring only: “HSA” (Highest Station Address)
configured correctly or “a non-existent bus subscriber” configured?
Note: Check the status of the LEDs and use chapter “Display elements” and
“Troubleshooting” to check the possible causes and resolve the errors
detected.
10.3 Problem reporting
If the transmission in the RS 485 network is still not satisfactory after all the
points in chapter “Display elements” and “Troubleshooting” have been
clarified, then please contact our support with answers to the following
questions:
Exact type designation of the OZD Profi 12M ... . For identification
purposes, please provide the order number printed on the device (18
digits).
What data rate is being used?
How are the DIP switches set on all the devices?
Send us a detailed network plan with the fiber type and fiber length, the
location and length of the electrical segments and the position of the
terminators.
Give as detailed a description of the error as possible in your own words.
Which values were configured for slot time, retry value and MIN T
SDR
?
What is the status of the LEDs on the relevant OZD Profi 12M ... ?
Please provide the voltage values of the analog voltage outputs for the
relevant OZD Profi 12M ... .
See “Connecting the analog voltage outputs (optional)” on page 52.
In case of redundant optical ring only: Which value was configured for
HSA (Highest Station Address)? Was a non-existent bus subscriber
configured?
Note: If you do not provide complete answers to the questions, we cannot
process your query.
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