Omron NX-SL3300 User Manual page 150

4 Safety Control Unit Operation
l 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).
24 VDC
0 V
The unit that supplies the I/O
power to the NX bus
IOV
IOG
NX bus connection
Example of Sysmac Studio Settings:
4 - 18
Non-contact Door Switches
NX-SI
L
1
T0
Si0
Si1
L
n + 2
IOV
IOG
n Units (n = 10 max.)
L
2
L + L +...+L + L
≤ 100 m
1 2 n + 1 n + 2
NX-series Safety Control Unit User's Manual (Z930)
L
n + 1