Omron CRT1 - 10-2008 Operation Manual page 229

Units with Connectors
CRT1-MD16SH-1 (PNP)
BDH
BDL
Wiring
CRT1-MD16S
CRT1-MD16SH (NPN)
Connection can be made
to either V terminal.
Connection can be made
to either G terminal.
206
BS+
Physical
layer
BS−
DC-DC
converter
(not
isolated)
2-wire sensor
(e.g., limit switch)
V
V
G
G
Solenoid valve, etc.
Photo-
coupler
Disconnection
or short-circuit
detection circuit
Photocoupler
1
V1 V1 V1 V1 V1
2 NC NC NC NC NC
3
G0 G4
G1 G2 G3
4
IN IN IN IN IN
0 1 2 3 4
1
V V V V V
2 NC NC NC NC NC
3 G G G G G
4
OUT OUT OUT OUT OUT
0 1 2 3 4
Section 5-4
Disconnection or short-circuit
detection circuit
Voltage
drop
V1 V1 V1
NC NC NC
G5 G6
G7
IN IN IN
5 6 7
3-wire sensor with
NPN output
(photoelectric sensor
or proximity sensor)
V V V
NC NC NC
G G G
OUT OUT OUT
5 6 7
Solenoid valve, etc.
V0
NC
G1
IN0
V
V
G
G
V
NC
G
OUT0