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Control Unit CU4 AS-interface UK-0 / 31.05.2010
Control Unit
CU4 AS-interface
Operating Manual: UK-0
UK
2.4.
Welding instructions
It is generally recommended to avoid welding work in process
installation in which control units are installed and connected.
If welding is nonetheless required, earthing of the electrical
devices in the welding area is a necessity.
2.5.
Persons
-
Installation and maintenance work may only be carried out by
qualified personnel and by means of appropriate tools.
-
Qualified personnel must get a special training with regard to
possible risks and must know and observe the safety instructions
indicated in the operating manual.
-
Work at the electrical installation may only be carried out by
personnel specialised in electrics!
2.6.
Warranty
This document does not contain any warranty acceptance.
We refer to our general terms of sale and delivery.
Prerequisite for a guarantee is the correct use of the unit in
compliance with the specified conditions of application
Attention !
This warranty only applies to the Control Unit.
No liability will be accepted for consequential damage of any kind
that could arise from the failure or malfunction of the device.
2.7.
Important Safety Instructions for AS-interface networks
- Safety Instructions for AS-interface
Always use protective modules against excess voltage in the
AS-interface installation.
- Safety Instructions for AS-interface
Grounding
For the AS-interface network a potential-free operation must be
guaranteed. Observe the use of isolation monitoring modules to
provide for proper grounding conditions.
(Grounding of the bus cable or connected components or their
charging with external voltage leads to malfunction in the bus
system.)
!
!
2.
Safety Instructions