Omron NX-SID Series User Manual page 98

3 Part Names and Functions
 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).
Non-contact Door Switches
24 VDC
0 V
Additional I/O Power Supply Unit
IOV
IOG
NX bus connection
Example of Sysmac Studio Settings
3 - 20
L
2
NX-SI
L
1
T0
Si0
Si1
L
n + 2
IOV
IOG
n Units (n = 10 max.)
≤ 100 m
L + L +...+L + L
1 2 n + 1 n + 2
NX-series Safety Control Unit User's Manual (Z930)
L
n + 1