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This chapter describes routine maintenance, replacement and installation procedures
necessary to maintain the operation of the S800 I/O equipment. The S800 I/O
modules do not need special adjustments such as zero and span of analog I/O
modules.
Analog I/O modules are factory calibrated and have calibration parameters for all
ranges stored in memory on the module. The FCI uses those calibration parameters
for calculations of the correct input and output signals.
Thermocouple and RTD modules use internal references for calibrations of the
measured values.
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Various visual indications (LEDs) are used in the I/O-system. Some common
examples are:
•
Run indication of the device
•
Error indication of the device
•
Warning indication of the device (only on I/O modules)
•
Status display of digital inputs or outputs
•
OSP indication on output modules.
These indications serve the purpose of informing the user about status or fault in the
system or in the process. They are intended to be a simple and easy to use help.
They should allow to spot faults in the station easily.
Summary of Contents for S800 I/O
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