Trouble-Shooting With Indicators; The Use Of Analog Option Board - Chart - Omron CP1L-EL20DR-D Operation Manual

Trouble Shooting
10-9 Trouble Shooting

Trouble-shooting with Indicators

ERR Error
Indicator
Lit CPU Unit service
monitoring error
Option board
error
Flashing Communication
error
10-10 The Use of Analog Option Board
10-10-1 Procedure
Mount the analog option
board
Connection with the analog
input/output device
Communication protocol
setting
Make the ladder program
AD/DA convert
Note
Probably Cause Correction
Service from the Check and cor-
CPU Unit was rect the CPU
not completed Unit's operating
within the fixed environment.
interval. Check serial
communication
setting.
An error Restart the CPU
occurred in the Unit. Replace
Analog Option the Analog
Board. Option Board if
the error recurs.
The communica- Check if PLC is
tion between running nor-
PLC is out of ser- mally.
vice
Mount the analog option board into the option port.
Connect to the analog input/output device.
Two methods:
1. DipSW4/DipSW5 set ON: TOOLBUS auto-detect
2. DipSW4/DipSW5 set OFF: Set communication protocol in PLC settings to
TOOLBUS, 115200bps
Wait until the analog option board finishes initialization and works normally.
Read the analog input data/write the analog output data.
(1) If PLC communication protocol setting is error, the option board will al-
ways try to link the PLC, and the error LED will flash.
(2) Only when the initialization process has finished (AR435.14/15 sets on),
user can use the A/D conversion data or write the D/A output data.
Auxiliary AD/DA function
Area
Allocations
A435.14 or AD/DA conversion will stop.
A435.15 The analog input conversion
will be OFF data stops refreshing and the
analog output conversion out-
put becomes 0V.
A435.14 or AD/DA conversion will stop.
A435.15 The analog input conversion
will be OFF data stops refreshing and the
analog output conversion out-
put becomes 0V. If the commu-
nication recovers from error, the
AD/DA conversion will start
again.
Section 10-9
569