Maintenance, Overhaul, Repair
16
264707 / 944260310010
2017-12-01·BA00·III·en·00
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
CPU module for Zone 2
Series 9442/35
Interface:
If the error cannot be eliminated using the specified procedures:
Contact R. STAHL Schaltgeräte GmbH.
For rapid processing, have the following information ready:
• Type and serial number of the device
• DCS/PLC
• Protocol
• Revision No./Firmware version
• Purchase information
• Error description
• Intended use (in particular, input and output wiring)
9
Maintenance, Overhaul, Repair
Comply with the applicable national standards and regulations in the country of use, e.g.
IEC/EN 60079-14, IEC/EN 60079-17, IEC/EN 60079-19.
9.1
Maintenance
Check the following points in addition to the national regulations:
• whether the clamping screws holding the cables are securely seated,
• whether the device enclosure and/or protective enclosure have cracks or other visible
signs of damage
• compliance with the permitted temperatures,
• secure fit of the fasteners.
9.2
Overhaul
The device does not require regular maintenance.
Perform maintenance on the device according to the applicable national regulations and
the safety notes in these operating instructions ("Safety" section).
9.3
Repair
Repair work on the device must be performed only by R. STAHL.
Error
Status
Cause of error
Troubleshooting
"RX/TX" LED is lit
Data traffic to RS-485,
USB, Ethernet
No error
–
"RX/TX" LED is off
No data traffic to
RS-485, USB, Ethernet
or normal operation if
the respective port
remains unused
Physical connection between the CPU
module and master
•
Check that the connection of
the connecting line is correct
and that it is intact
•
If necessary, replace the
connecting line
"LINK" LED is lit
Physical connection
available
No error
–
"LINK" LED is off
The physical connection
is disconnected or
normal operation if the
respective port remains
unused
Physical Ethernet connection between
the CPU and the next Ethernet node
(e.g. switch) interrupted
•
Check that the connection of
the Ethernet line is correct and
that it is intact
•
If necessary, replace the
Ethernet line
If the blue "M/S" LED is continuously illuminated, it is recommended to replace
the module in the near future. Otherwise the likelihood of failure will increase after
12 months (see the "Indications" and "Troubleshooting" sections).
Summary of Contents for 9442/35-10-00
Page 2: ......
