Commissioning, maintenance, repair
• Only have commissioning and repairs performed by qualified and authorised persons
(see chapter "Personnel qualification").
• Before commissioning, make sure that the device is not damaged.
• Perform only maintenance work described in these operating instructions.
• Always clean the device with a damp cloth to avoid electrostatic charge.
3.4
Modifications and Alterations
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or alter the device.
No liability or warranty for damage resulting from modifications and
alterations.
4
Function and Device Design
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
• Use the device only for the intended purpose specified in these
162277 / 9440607310
2018-08-13·BA00·III·en·06
described in these operating instructions.
operating instructions.
Function and Device Design
DANGER
DANGER
CPU & Power Module for Zone 1 / Div. 1
Series 9440/22, 9490
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