Wiring Connectors - Omron SYSMAC CS1W-SCB41-V1 Operation Manual

RS-232C and RS-422A/485 Wiring
CS-series PLC
Serial Communications Board/Unit
SCU21
RUN
RUN RDY
ERR/ALM
ERC ERH
INH
SD1 SD2
RD1 RD2
PRPHL/COMN
SYSMAC CS1G
PROGRAMABLE CONTROLLER
0 CPU42
OPEN
MCPWR BUSY
OPEN
PORT1
PERIPHERAL
PORT2
PORT (RS-232C)
Hood and GR are
internally connected.
Grounding the GR terminal
grounds the Hood (FG).
3-4-3

Wiring Connectors

Cable Preparation
Shield Connected to Hood (FG)
1,2,3...
118
Power Supply Unit
PA204S
POWER
L2/N
AC100V-120V/
AC2100-240V/
INPUT
L1
100-200
CLOSE
200-240
OPEN GR
DC24V/0.8A
OUTPUT
Ground to 100 Ω or less
4. Be sure to turn ON the terminating resistance at the last Unit at the end of
the RS-422A/485 cable.
Use the following steps to wire connectors.
See the following diagrams for the length of the cable portion to be cut in each
step.
1. Cut the cable to the required length.
2. Remove the specified length of the sheath from the cable using a knife. Be
careful not to scratch the braided shield.
3. Trim off the braided shield using scissors so that the remaining shield
length is 10 mm.
4. Remove the insulation from each conductor using a stripper so that the ex-
posed conductor length is 5 mm.
5 mm
CJ-series PLC
Power Supply Unit
PA205R
POWER
L1
AC100-240V
INPUT
L2/N
GR
RUN
OUTPUT
AC240V
DC24V
Ground to
100 Ω or less.
25 mm (RS-422A)
40 mm (RS-232C)
10 mm
Section 3-4
Serial
Communications Unit
SCU41
RUN ERC SD1 RD1 TER1
SYSMAC RUN
ERR/ALM
CJ1G-CPU44
INH RDY ERH SD2 RD2
PROGRAMMABLE
PRPHL
CONTROLLER
COMM
TERM
UNIT
OFF ON
NO.
WIRE
2 4
OPEN
PORT1
MCPWR (RS422
BUSY /485)
PERIFHERAL
PORT2
PORT
Hood and GR are
internally
connected.
Grounding the GR
terminal grounds
the Hood (FG).