Ok indicator and display mnemonics – Rockwell Automation 1747-SCNR SLC ControlNet Scanner Module Installation Instructions User Manual
Page 14
 
14 SLC ControlNet Scanner Module
Publication 1747-IN059C-EN-P - September 2001
OK Indicator and Display Mnemonics
The OK indicator is handled consistently with the ControlNet 
specifications for the Identity object.
Sequence OK
Indicator
Alpanumeric 
Display
Module Status 
Word (M1 file)
Description
Probable 
Cause
Recommended 
Action
Startup
Alternately 
red/ green
POST
N/A
The 
1747-SCNR 
module is 
running Power 
On Self Test.
Power was 
applied to the 
module.
No action 
required.
FIRM
WARE
N/A
1747-SCNR 
firmware 
revision. This is 
a temporary 
display after 
startup.
Power was 
applied to the 
module.
No action 
required.
Run time
Green
A#XX
N/A
ControlNet 
node address
None
No action 
required.
I/O
0x26
All configured 
connections 
are 
established.
None
No action 
required.
IDLE
N/A
The scanner is 
in idle mode.
The SLC 
processor or 
adapter in 
slot 0 is in 
program 
mode or the 
Scanner 
Mode 
Command bit 
of the Module 
Command 
word is clear 
(O:x.0/10 
where x is the 
scanner slot 
number).
If you want to 
put the scanner 
into run mode, 
put the SLC 
processor in 
slot 0 into run 
mode and set 
the Scanner 
Mode 
Command bit of 
the Module 
Command word 
(O:x.0/10) using 
an 
unconditional 
OTE instruction.
RUN
N/A
The scanner is 
in run mode.
The SLC 
processor in 
slot 0 is in run 
mode and the 
Scanner 
mode 
Command bit 
of the Module 
Command 
word is set 
(O:x.0/10).
If you want to 
put the scanner 
into program 
mode, either 
put the SLC 
processor in 
slot 0 into 
program mode 
or clear the 
Scanner Mode 
Command bit of 
the Module 
Command word 
(O:x.0/10).