162278 / 9440609310
2020-10-22·BA00·III·en·08
Function and Device Design
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CPU & power module
for Zone 2/Class I, Div. 2
Series 9440/15
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 prevent electrostatic charge.
• Before dismounting or replacing the module in an explosive atmosphere, ensure that
the auxiliary power supply is de-energised.
3.4
Modifications and Alterations
4
Function and Device Design
DANGER
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.
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
described in these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.
