
A Standard System Protocol
R-40
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
CJ1W-SCU
@
1-V1
Note
SYSMAC BUS Wired Remote I/O devices cannot be connected.
CJ1W-SCU
@
2
Intelligent Signal Processor
Turn OFF all terminal block
switches except at the end-station.
Pin
No.
RS-485
Abbreviation
Shielded
wire
Shielded wire
Intelligent Signal
Processor end-station
SN751177N or equivalent
Ter-
minal
Ab-
brevi
ation
220
Ω
220
Ω
Terminal
block
switch
Terminal
block switch ON
Terminal block switch ON at the end station.
Set the 2-/4-wire switch
to the 2-wire setting.
Turn ON the terminat-
ing resistance switch.
Shell
1
2
+
+
Serial Communications Board/Unit
Ab-
brevi-
ation
RS-485
Intelligent Signal Processor end-station
Shielded wire
Shielded
wire
RS-485
Intelligent Signal Processor
Turn OFF all terminal block
switches except at the end-station.
Abbreviation
Pin
No.
19
18
Serial Communications Board/Unit
RS-485
220
Ω
Terminal
block witch
47k
220
Ω
Terminal block
switch ON
Terminal block switch ON
at the end station.
SN751177N
or equivalent
47k
4.7k
4.7k
6.8V
Abbreviation
Pin
No.
19
18
5V
Abbreviation
SDA
SDB
FG
3
4
5
Set the 2-/4-wire switch
to the 2-wire setting.
Turn ON the terminating
resistance switch.
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...