CS1D-IC102D Omron, CS1D-IC102D Datasheet - Page 155
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CS1D-IC102D
Manufacturer Part Number
CS1D-IC102D
Description
CS1D Dual IO Control Unit
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-IC102D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- Current page: 155 of 638
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Duplex CPU Units
3-1-4
120
Automatic Recovery to Duplex Operation by Self-diagnosis
Note
After the mode has been switched from Duplex Mode to Simplex Mode due to
an operation switching error or a duplex error, an automatic attempt is made
to return to Duplex Mode if this function has been enabled in the PLC Setup.
This function is mainly useful for momentary or incidental disruptions (to
memory, bus, etc.) due to factors such as noise, rather than for hardware
breakdowns.
When this automatic recovery function is executed, it does not return standby
status to active.
1. In order for automatic recovery to be enabled, the power to the other CPU
2. When Duplex Mode operation has been recovered, the error log automat-
(1)
(2)
(1)
(2)
(3)
Unit must not be OFF and the Mode Setting Switch must be set to DPL. If
the mode cannot be automatically returned to Duplex Mode, the following
bits in the Auxiliary Area (CPU Unit Duplex Unit Recovery Flags) will turn
ON.
Right CPU Unit: A32814 turns ON.
Left CPU Unit: A32815 turns ON.
ically will be transferred from the new active CPU Unit to the new standby
CPU Unit (i.e., the one that was the active CPU Unit before). To check the
Remains in
standby
status
(cannot be
switched)
Standby
Active
Active
Standby
(Duplex error)
Simplex Mode
Duplex Mode
Simplex Mode
Duplex Mode
Duplex Mode
Mode switched.
CPU Unit stopped.
Self-diagnosis normal
(Operation switching error)
Active
Remains
in active
status
Active
Standby
Automatic recovery
Section 3-1
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