Omron CVM1 Series, Operation Manual

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PC Link Unit Replacement Procedure Section 3-2
3-2 PC Link Unit Replacement Procedure
The following table outlines the procedures and precautions for replacement
of PC Link Units.
Item Unit or setting Description Reference
CPU Rack
replacement CPU Unit (C500, C1000H, or
C2000H)
CPU Backplane
Power Supply Unit
Replace with CVM1/CV-series compo-
nents. CV-Series Programmable
Controllers Installation Guide
(W195-E1-5)
I/O Units
Special I/O Units
Some can be used in the CVM1/CV
Series.
SYSMAC LINK Units
Host Link Units
Replace with CVM1/CV-series compo-
nents.
PC Link Units Replace with CVM1-LK401. 3-3 CVM1-LK401 Switch Set-
tings
PC Link Unit
settings CPU Bus Unit unit number
setting The unit number must be set since the
CVM1-LK401 is a CPU Bus Unit. 3-3-1 Setting the Unit Number
Node address setting Match the CVM1-LK401’s settings to
the settings of the C500-LK009-V1
Units in the PC Link.
(One exception is the LK003 mode,
which cannot be used. In this case,
change the C500-LK009-V1 Units’
settings.)
3-3-2 Setting the Node
Address in the PC Link
Number of LR bits setting 3-3-3 Setting the Number of
LR Bits (Max. Number of PC
Link Units)
Operating level/Link number
setting 3-3-4 Setting the Level/Link
Number
Transmission line setting (two-
wire or four-wire method) 3-3-5 Setting the Transmis-
sion Line and Terminating
Resistance
Terminating resistance
Number of I/O points to
refresh These settings are not set in the
CVM1-LK401. ---
Single/Double Unit allocation
Precautions
when writing
ladder program LR Area words used in PC
Link Replace LR 00 to LR 63 addresses
with CIO 1000 to CIO 1063. 3-4-1 LR Area
PLC Run and PC Link Error
Flags Replace SR 247 to SR 250 bit
addresses with CIO 1500 + 25
×
N to
CIO 1500 + 25
×
N +3 (N = unit num-
ber).
3-4-2 PC Link Status Area
Level Flags Replace AR 2411 and AR 2412 bit
addresses with bits 11 and 12 of CIO
1500 + 25
×
N +4 (N = unit number).
3-4-3 Level Flags
CPU Bus Unit status area In the CVM1/CV Series, the status of
the CVM1-LK401 can be monitored
from the ladder program. 3-4-4 CPU Bus Unit Status
Flags
PLC CPU Unit
settings Setting the PLC’s operation
mode (synchronous/asyn-
chronous operation) We recommend using synchronous
operation. 3-5 PLC Operation Mode
(Synchronous/Asynchronous
Mode)