Omron NX-SID Series - Page 98

3 Part Names and Functions
3 - 20
NX-series Safety Control Unit User’s Manual (Z930)
 D40A/D40Z Non-contact Door Switches
The non-contact door switch output (black line) from the OMRON D40A or D40Z Non-contact Door
Switch is input to a safety input terminal. This is a one-line signal. When connecting it, branch it as
shown at Si0 and Si1 in the following figure. Only one test output terminal is used. Connect the
D40A/D40Z Non-Contact Door Switch input (white line).
Example of Sysmac Studio Settings
24 VDC
0 V
White
Black
Blue
Non-contact Door Switches
n Units (n = 10 max.)
Brown
White
Black
Blue
Brown
White
Black
Blue
Brown
Additional I/O Power Supply Unit
NX bus connection
IOV
IOV
IOG IOG
L
n + 1
L
1
L
n + 2
L
2
L
1
+ L
2
+…+L
n + 1
+ L
n + 2
≤ 100 m
T0
Si0
Si1
NX-SI