LSIS XBL-C41A User Manual

Chapter 11 Diagnosis
11-7
11.2.4 Two response frame are dealt with as unknown when executing frame
monitor
Phenomenon Reason Trouble shooting
Two response frame are dealt with as unknown when
executing frame monitor
Communication
type in XG-PD is
set as RS-422
but output wiring
method is RS-
485
Change
communication type
as RS-485 and write
it to PLC.
11.2.5
Unable to analyze TRX frame
Phenomenon Reason Trouble shooting
Unable to analyze TRX frame
More than one server
sends frame
1. Execute 1:1 communication with
server and check if it works
properly.
2. Take interlock for servers not to
sends frame simultaneously.
In case parity bit setting
is not coincident
Set the parity bit to be same each
other
In case stop bit setting
is not coincident
Set the stop bit to be same each
other
In case communication
speed setting is not
coincident
Set the communication speed to be
same each other
In case of multi drop,
terminal resistance is
not installed
Install terminal resistance
11.2.6 Unable to know which one is reason of error, client or server
Phenomenon
Reason
Trouble shooting
Unable to know which one is
reason of error, client or server
-
1. Check Cnet I/F module
- Check module’s equipment status
- Check wiring
2.Check main unit status

LSIS XBL-C41A Specifications

General

Brand	LSIS
Model	XBL-C41A
Category	Controller
Language	English