Omron CRT1 - 10-2008 Operation Manual page 295

Units with Clamp Terminal Blocks
I/O Indicators
I/O Power Supply
Indicators
Setting the Node
Address
Internal Circuits
CRT1-ID16SL (NPN)
CRT1-ID16SL-1 (PNP)
272
The meanings of the input indicators are given in the following table.
Name LED status
0 to 15 Lit yellow.
Not lit.
The meanings of the I/O power supply indicators are given in the following
table.
Name LED status
I/O Lit green.
Not lit.
The node address is set as a decimal number with the 10s digit set on the left
rotary switch and the 1s digit set on the right rotary switch. (The maximum
node address is 63.)
The setting on the rotary switches is read when power is turned ON.
0 0
1s digit of node address
10s digit of node address
BS+
BDH
Phy-
sical
BDL layer
BS−
DC-DC
converter
(not
isolated)
BS+
BDH
Phy-
sical
layer
BDL
BS−
DC-DC
converter
(not
isolated)
I/O status Meaning
Input ON The input is ON.
Input OFF The input is OFF.
I/O status Meaning
I/O power The I/O power
supply ON supply is ON.
I/O power The I/O power
supply OFF supply is OFF.
G
V
G
Photocoupler
0 to 15
V
G
V
V
G
V
Photocoupler
0 to 15
G
V
G
Section 5-5