CS1D-BC042D Omron, CS1D-BC042D Datasheet - Page 489

• Manufacturer Part Number: CS1D-BC042D
• Description: CS1D Dual CPU Exp
• Manufacturer: Omron

Specifications of CS1D-BC042D

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Online Replacement of I/O Units, Special I/O Units, and CPU Bus Units
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2. Remove the Unit that is being replaced.
3. Replace the Unit.
4. After the Unit is replaced, turn ON the Online Replacement Completed Bit
5. Check the replaced Unit's indicators and confirm that the Unit is operating
When the Unit Removal without a Programming Device function is select-
ed, one of the following non-fatal errors will be generated at this point, de-
pending on the type of Unit that was removed.
Note a) These non-fatal errors will not be generated when the Removal/
Note a) If an Output Unit is being replaced, output ON status is retained
(A80215). (This step is not required with the Removal/Addition of Units
without a Programming Device function.)
Note a) The Online Replacement Completed Flag is required only when
properly to complete the replacement procedure.
Basic I/O Unit
Special I/O Unit
CPU Bus Unit
b) If you don't want one of these non-fatal errors to be generated
c) Do not turn ON the Maintenance Start Bit (A80015) continuously
b) Replace the Unit with the same kind of Unit.
b) When the Online Replacement Completed Bit (A80215) is turned
Unit type
Addition of Units without a Programming Device function is select-
ed, unless the Unit is removed or mounted slowly.
when removing a Unit without a Programming Device, turn ON the
Maintenance Start Bit (A80015) before removing the Unit. When
this bit is ON, the errors above will not occur when the Unit is re-
moved.
from the ladder program or other source. As long as the Mainte-
nance Start Bit is ON, errors will not be generated even if there are
Unit malfunctions, so the system may be adversely affected.
and the outputs will go back ON as soon as online replacement is
completed.
the Unit Removal without a Programming Device function is being
used. When the Removal/Addition of Units without a Programming
Device function is being used, the data exchange is restarted au-
tomatically after the replacement Unit is mounted.
ON, the replaced Unit will restart data exchange processing with
the CPU Unit.
When data exchange processing restarts, the Online Replace-
ment Completed Bit (A80215) will turned OFF. At the same time,
the Maintenance Start Bit (A80015) will be turned OFF automati-
cally if it is ON.
Basic I/O Unit error
Special I/O Unit error
CPU Bus Unit error
Non-fatal error
Section 11-4