ABB S800 I/O - Page 56

Figure 20. CI840 - Configuration for AC800F
CI840 Section 3 Run-time Operation
56 3BSE027630-600 B
• Power supervision of FCI
Mark the check box if the voltage supply to the FCI shall be
supervised. Only if
redundant power supply.
• P
ower supervision of opto extension
Mark the check box if the voltage supply to the clust
er shall be supervised.
Only if redundant power supply.
• Red
undancy
Mark the check box if the CI840 shall b
e configured as a redundant module.
• Extended HAR
T mode
Normal mode shall always be used if HART data is
< 56 bytes. Mark the check
box if the HART data is
> 56 bytes but < 215 bytes. If Extended HART mode is
chosen less I/O modules can be used. See Memory Maps for more details.
• Ou
tput hold time
After a fail over, a timer is started in
the new primary CI840. This CI840
requires configuration and data from the Profibus Master within the output hold
time, which is defined in the Output hold time text field. If no data is received