Panasonic FP7 Series User Manual

Situation Contents to check Confirmation method
Is the communication mode set to the same
mode as that of a destination device?
Is the command length for MEWTOCOL or
MEWTOCOL7 within the prescribed length?
Check the programs of destination
devices.
(Note 1) For checking communication parameters with PMGET instruction, the CPU should be set in the RUN
mode. Set Mode selection when self-diagnostic error occurs>A unit error occurred to "Continue
operation" in the CPU configuration menu.
10.2.3 When Using General-purpose Communication Function
■
What to do if an error occurs
Situation Contents to check Confirmation method
Communication is not
possible.
(For the serial
communication unit, the
ERROR LED turns on.)
Is a communication cassette attached?
Check if the communication block is
installed firmly.
Are wiring correct? Check the wiring again.
Isn't there any problem in environments such
as noise?
Check the shielding.
Is the communication mode set correctly?
● Check the configuration (COM.
settings) of the CPU with built-in
SCU or the serial
communication unit.
● Check the communication
parameters with PMGET
instruction.
(Note 1)
Transmission is not
possible.
(For the serial
communication unit, the
ERROR LED turns on.)
Does an operation error occur when GPSEND
instruction is executed?
Review the program.
Transmission is not
possible.
Isn't transmission prohibited by CTS signal
(Y14 or Y16) when using a communication
cassette with RS-232C (5-wire type)?
Is the setting for the communication conditions
the same as the one for the device
communicated?
● Check the configuration (COM.
settings) of the CPU with built-in
SCU or the serial
communication unit.
● Check the communication
parameters with PMGET
instruction.
(Note 1)
Is the setting of the method for detecting
“reception done” the same as the one for the
device communicated?
Reception is not possible.
(For the serial
communication unit, the
ERROR LED turns on.)
Isn't reception error occurring?
Check the communication
parameters and operation status
monitor information with PMGET
instruction.
(Note 1)
Isn't the reception buffer FULL error
occurring? If the error occurs, the operation
cannot be restarted without performing
channel reset.
Isn't the operation mode set to a mode other
than general-purpose communication with
PMSET instruction?
(Note 2)
10.2 What to Do If an Error Occurs (For Each Communication Mode)
WUME-FP7COM-07 10-5

Panasonic FP7 Series Specifications

General

Brand	Panasonic
Model	FP7 Series
Category	Controller
Language	English