Maintenance; Regular Maintenance; First Line - Siemens Stratos Outstation General, Installation, Commissioning & Maintenance Handbook

7 M
AINTENANCE
Before attempting any maintenance work the following must be performed:
1. Ensure the unit is powered off and isolated from the mains.
2. Ensure the battery isolation switch on the front panel is switched to 'OFF'.
3. Remove all connectors that interface with external equipment (as some of these
may have mains potential voltages present on them).
If multiple I/O boards are fitted make a note of the board address against
the plugged in loom before removing along with the position of each
connector (top & bottom position).
4. Remove the unit from its mounted position.
7.2

Regular Maintenance

Units only require annual maintenance, which can be performed at the same time as the
inspection of other equipment on site. On these visits, trained personnel must switch off
the mains power to the controller and the unit.
Regular Maintenance Activity
General inspections of the unit in situ for any contamination, overheating
of components, corrosion or battery leakage. Rectify where necessary.
Check the tightness of all interface and earth cables and re-tighten where
necessary.
Check the condition of the interface cables; making sure there is no
chafing of the insulation and that the general condition of the insulation is
good. Replace any damaged or worn cables.
Check the mechanical tightness of the main securing screws of the unit
and retighten where necessary.
Replace battery as indicated by the battery test which is automatically
performed approximately every 30 days.
7.3

First Line

Replacement of the following components is considered first line maintenance.
Maintenance work beyond the first line should be referred to Siemens. Part numbers and
spares are listed in the Appendix.
Authorised agents may replace the following:
·
CPU Card (section 7.3.1)
·
IO Card (section 7.3.3)
·
Battery (section 7.3.4)
·
Fuses (section 7.3.5)
·
Cables and wiring
Security classification Unrestricted
Version 3
Last Editor Alan Doyle
Document Name Stratos Outstation General and ICM Handbook
Copyright © Siemens plc 2014. All Rights Reserved.
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05-Oct-2017
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