ABB S800 I/O - Page 138

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F (fault) “on”
R (run) “off”
W (warning) “off”
O (osp only outputs) “off”
Without configuration but with communications with the controller:
See timing diagram Figure 2-2.
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F (fault) “on” at power up and “off” after self-test ok
R (run) “off” at power up and “on” after configuration ok
and commanded operational from the controller
(can take about 1 to 4 minutes)
P (pow ok) “on” if power supply ok
T1 “on” if cable 1 ok
T2 “on” if cable 2 ok
PR “on” (only primary FCI in a redundant configuration)
DU “off” (both FCI in a redundant configuration)
The backup will be started up after the I/O. When the backup has started
PR “on” (only primary FCI in a redundant configuration)
DU “on” (both FCI in a redundant configuration)
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F (fault “on” at power up and “off” after the first access
from the FCI
R (run) “off” at power up and “on” for AI, DI after
configuration and for AO, DO after configuration and
commanded operational from the controller
W (warning “off” at power up and after module operational
updated from the module
O (outputs only) “off” at power up and after module operational
updated from the module
With configuration but without communications with the controller:
See timing diagram Figure 2-3.