Omron CVM1 Series, Operation Manual

Page: 72 / 110

57
Replacement Checklists Section 3-6
Number of
LR Bits Check setting on pins 6 to 8:
[ ] Bits / [ ] Units
Set the same number of LR bits that
was set on the 3G2A5-LK009/C500-
LK009-V1. Make the “number of LR bits”
setting on the polling node
(node 0) in the PC Link. The
“number of LR bits” settings
on the other nodes (polled
nodes) are ignored.
When a C500 PLC is replaced
with a CVM1/CV-series PLC,
the maximum number of Units
is double the original value for
the same number of LR bits,
because the LR Area is twice
as large.
In pattern B, the original
3G2A5-LK009/C500-LK009-
V1 is set to single-level LK003
mode.
Set the level/link number (next
item in table) to single-level
mode.
Note :
Settings 011 to 111 are invalid
settings in the C500-LK009-
V1, but the number of LR bits
will be set to 64 bits/8 Units if
the setting is in the invalid
range.
Pins 6 to 8 Single-level LK003
mode Pins 6 to 8 Pin 3 (single-level)
000 256 bits / 2 Units 000 32 bits / 32 Units
001 128 bits / 4 Units 001 64 bits / 16 Units
010 64 bits / 8 Units 010 128 bits / 8 Units
011 64 bits / 8 Units
(See note.)
011 256 bits / 4 Units
100 100 512 bits / 2 Units
101 101 Invalid setting
110 110
111 111
Level/Link
Number Pins 3 and 4: Check if set to sin-
gle-level LK003 mode (10). Pins 3 and 4: Set both pins to 1 (sin-
gle-level). Set the replacement CVM1-
LK401 to single-level mode.
Pins 3 & 4 Level/Link Number
setting Pins 3 and 4 Level/Link Number
setting
11 Single-level LK009 11 Single-level (Set either
11 or 10.)
10 Single-level LK003 10
01 Multi-level Link #1 01 Multi-level Link #1
00 Multi-level Link #0 00 Multi-level Link #0
Transmission
Line Selector Check SW2:
[Up (4-wire)
Down (2-wire)]
WIRE switch: Set the same setting as
set on the 3G2A5-LK009/C500-
LK009-V1. ---
Up 4-wire/Use optical
fiber cable. 4 (left) 4-wire/Use optical
fiber cable.
Down 2-wire/Use electrical
cable. 2 (right) 2-wire/Use electrical
cable.
Terminating
Resistance Check pin 1 of SW3:
[
1(ON )/0 (OFF)]
TER switch: Set the same setting as
set on the 3G2A5-LK009/C500-
LK009-V1. ---
1 Terminator con-
nected. ON (left) Terminator connected.
0 Terminator not con-
nected. OFF (right) Terminator not con-
nected.
Item Original Unit: 3G2A5-LK009/
C500-LK009-V1
Replacement Unit: CVM1-LK401 Remarks