Omron CVM1 Series, Operation Manual

Page: 94 / 110

79
Link Adapter Specifications Appendix B
Internal Structure
Cable Length (Maximum)
APF: All Plastic Optical Fiber Cable
PCF: Plastic Clad Optical Fiber Cable
Note (1) Always place the protective caps on unused optical connectors.
(2) Never use the Link Adapter with the Terminal Block Cover removed. Attach the Terminal Block Cover
securely.
(3) When the Link Adapter is installed in an office or on a desk, take steps to prevent the power supply
terminals from being touched accidentally, which can cause an electric shock.
Cable type 3G2A9-AL004-PE 3G2A9-AL004-E
APF 20 m Cannot be connected.
PCF 200 m 800 m
100 V 200 V
Fuse
5 V
Terminating resistance
0 V
0 V 0 V
Send
Receive
0 V
RS-232C
Name
1
2
3
4
5
6
7
8
20
FG
SD
RD
RS
CS
DR
SG
CD
ER
RS-422
OR/
Switching
circuit
Pin
Name
9
5
6
1
3
7
SDA
SDB
RDA
RDB
SG
FG
Pin
24 V
N1
200
VAC
100
VAC
LG
FG
N2
H
3G2A9-AL004-(P)E Link Adapter
●
CTS (CS) Selector
Set to 0 V to have the clear-to-send
(CTS) signal always ON. Set to
external to receive an external CTS
signal.
●
Terminating Resistance Selector
When set to ON, connects the built-
in terminating resistance (220
Ω
);
when set to OFF, disconnects it.
●
Power Supply Connection
CTS
Selector
Exter-
nal
Neutral line
Hot line
Neutral line
Hot line
AC power
supply
Ground to
100
Ω
or less.
The fuse is in the power supply's
common line, so connect the hot
line to the common terminal when
wiring the AC power supply.