Omron CRT1 - 10-2008 Operation Manual page 251

Units with Connectors
Indicator Section
Communications
Indicators
I/O Indicators
Setting the Node
Address
Internal Circuits
CRT1-VID16ML (NPN)
228
Refer to 4-1-3 Communications Indicators.
The meanings of the input indicators are given in the following table.
Name LED status
0 to 15 Lit yellow.
Not lit.
The node address is set as a decimal number with the 10s digit set on the
mounting-side rotary switch and the 1s digit set on the front-side rotary switch.
(The maximum node address is 63.)
The setting on the rotary switches is read when power is turned ON.
(Mounted side)
(Front side)
BS+
BDH
Physical
layer
BDL
BS−
DC-DC
converter
(not
isolated)
I/O status Meaning
Input ON The input is ON.
Input OFF The input is OFF.
10s digit of node address
1s digit of node address
Photo-
coupler
Photo-
coupler
Section 5-4
V
IN0
IN1
G