ABB S800 I/O User Manual page 72

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This section includes power up for the very first definition/configuration of the
system resources. A visible result of the start-up procedures, are that all red LED on
module fronts are turned off and all green LED are turned on.
!"  Thsr‡’ÃSrtˆyh‡v‚†
The instructions given in
situations when working with S800 I/O and associated equipment. Please read the
instructions carefully.
Work with care when supply voltage is applied in the system. The voltage in the
cabinet can cause serious injury or death.
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When the set-up activities are finished and after using
the equipment will be ready for start-up, but first read the following security
guidelines before proceeding.
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During the power up of S800 I/O there is always a risk of spurious output signals to
the process due to a faulty hardware module.
Critical process devices should always be identified and isolated in some way if the
process is energized. Examples of different methods are:
•
•
•
Succeeding operations after power up, including necessary tests, must be performed
carefully.
62
Section 2.2.1, Safety Regulations
Disconnected output power supply.
Disconnect the process cables from outputs.
Remove output S800 I/O modules.
are applicable in all
Section 2.2.6, Checklists,
3BSE 020 923R101