Omron CRT1 - 10-2008 Operation Manual page 279

Units with Connectors
I/O Indicators
Note
Setting the Node
Address
Internal Circuits
CRT1-VMD32ML (NPN)
256
The meanings of the output indicators are given in the following table.
Name LED status
I 0 to I 15 Lit yellow.
(word m)
Not lit.
II 0 to II 15 Lit yellow.
(word n)
Not lit.
Word m: Word allocated for Input Area of Slave Unit
Word n: Word allocated for Output Area of Slave Unit
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
BDL
layer
BS−
DC-DC
converter
(not
isolated)
I/O status
Input or output ON The input or output is ON.
Input or output OFF The input or output is OFF.
Input or output ON The input or output is ON.
Input or output OFF The input or output is OFF.
10s digit of node address
1s digit of node address
Photo-
coupler
Voltage
drop
Photo-
coupler
Section 5-4
Meaning
V1
IN0
G1
V2
OUT0
G2