Omron CRT1 - 10-2008 Operation Manual page 403

Industry Standard Sensor Connectors
Component Names and Functions (Same for CRT1B-ID04SP/CRT1B-ID04SP-1)
Power short-circuit indicator (SHT0)
Communications indicators:
MS and NS
Display Section
Communications
Indicators
I/O Indicators
Setting the Node
Address
380
Node address switches:
×100, ×10, and ×1
I/O indicators 0 and 3
Flat Cable
(attached)
Refer to 4-1-3 Communications Indicators.
The meanings of the input and status indicators are given in the following
table.
Name LED status
0 to 3 Lit yellow.
Not lit.
SHT0 Lit red.
The node address is set as a decimal number between 0 and 127 with the
100s digit set on the top rotary switch, the 10s digit set on the middle rotary
switch, and the 1s digit set on the bottom rotary switch.
The setting on the rotary switches is read when power is turned ON.
I/O connectors
(e-CON connectors)
I/O status
Input ON
Input OFF
Power short-circuit
100s digit of node address
10s digit of node address
1s digit of node address
Section 9-3
Meaning
The input is ON.
The input is OFF.
The power supply is
short-circuited.