ABB S800 I/O - AI835;AI835 A Module Details

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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.
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The instructions given in Section 2.2.1, Safety Regulations are applicable in all
situations when working with S800 I/O and associated equipment. Please read the
instructions carefully.
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When the set-up activities are finished and after using Section 2.2.6, Checklists,
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:
• Disconnected output power supply.
• Disconnect the process cables from outputs.
• Remove output S800 I/O modules.
Succeeding operations after power up, including necessary tests, must be performed
carefully.
Work with care when supply voltage is applied in the system. The voltage in the
cabinet can cause serious injury or death.