CS1D-BC042D Omron, CS1D-BC042D Datasheet - Page 488

• 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

Procedure for Online Replacement without a Programming Device
Flowchart of the Replacement Procedure
Online Replacement of I/O Units, Special I/O Units, and CPU Bus Units
A Unit still needs to be replaced.
Turn ON the Maintenance Start Bit (A80015) if you want to prevent non-fatal errors when
removing a Unit without a Programming Device.
(Do not turn ON the bit continuously from the ladder program.)
Turn ON the Online Replacement Completed Bit (A80215). See note.
(Do not turn the bit ON continuously from the ladder program.)
!Caution Do not touch any of the terminals or terminal blocks while the power is being
(If the Maintenance Start Bit (A80015) was turned ON, it will be turned OFF automatically.)
1,2,3...
Note The Online Replacement Completed Flag is required only when 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 automatically after the replacement Unit
is mounted.
1. Confirm that the Unit Removal without a Programming Device or the Re-
supplied. Doing so may result in electric shock.
moval/Addition of Units without a Programming Device function is enabled
in the PLC Setup.
Note a) If an Output Unit is being replaced, output ON status is retained
Data exchange restarts with the mounted Unit.
b) When a Unit has been removed during operation without a PLC
Online Replacement Completed
and the outputs will go back ON as soon as online replacement is
completed.
Programming Device (CX-Programmer or a Programming Con-
sole), data transferred from the removed Unit to the CPU Unit may
be invalid. If an invalid data transfer will adversely affect the sys-
tem, use a Programming Device to replace the Unit online.
Mount the replacement Unit.
Remove the Unit.
Replace Unit?
All Unit replacements completed.
Section 11-4
453