Omron CRT1 - 10-2008 Operation Manual page 152

Units with Screw Terminal Blocks
Internal Circuits
CRT1-MD16 (NPN)
CRT1-MD16-1 (PNP)
BS+
BDH
Physical
layer
BDL
BS-
DC-DC
converter
(not isolated)
BS+
BDH
Physical
layer
BDL
BS-
DC-DC
converter
(not isolated)
Photocoupler
Photocoupler
Photocoupler
Photo-
coupler
Photocoupler
Photocoupler
Photocoupler
Photocoupler
Section 5-3
V1 24 VDC
0
1
G1
V2 24 VDC
0
1
G2
V1 24 VDC
0
1
G1
V2 24 VDC
0
1
G2
129