
3-17
3 Installation and Wiring
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
3-2 Wiring
3
3-2-9 C
onnections f
or Protocol Macr
o
, S
e
rial Gate
w
a
y, No
-prot
ocol Mode
, an
d Modb
us-R
TU Sla
v
e Mode
Terminal
block
connector
4-wire
Terminating
resistance: ON
Terminal block
DIP switch pin
1-2: OFF
(terminating resistance)
Other pins as given below.
Terminal
block
DIP Switch Settings
SW1-1: ON
SW1-2: ON
(terminating resistance)
SW1-3: OFF
SW1-4: OFF
SW1-5: OFF
SW1-6: ON
Signal Pin
Serial Communications Unit
RS-422A
/485 in-
terface
Signal Pin
D-sub, 9-pin
connector
(male)
Signal
(+)
5-V power
(-)
D-sub, 9-pin
connector
(male)
RS-232C
Interface
Pin Signal
Shield
RS-232C
Interface
Shield
Signal Pin
Pin Signal
Signal
Shield
1
2
3
4
5
RDA
RDB
SDA
SDB
FG
NT-AL001
RS-232C
RS-232C
RS-422A
FG
SD
RD
RS
CS
DR
ER
SG
1
2
3
4
5
6
7
8
GRD
SG
SDB
SDA
RDB
RDA
CSB
CSA
1
2
3
4
5
6
7
8
9
RS-232
RS-422
NC
SD
RD
RS
CS
5V
DR
ER
SG
NT-AL001
FG
SD
RD
RS
CS
DR
ER
SG
1
2
3
4
5
6
7
8
GRD
SG
SDB
SDA
RDB
RDA
CSB
CSA
1
2
3
4
5
6
7
8
9
RS-232
RS-422
NC
SD
RD
RS
CS
5V
DR
ER
SG
(+)
5-V power
(-)
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...