Table of Contents
Advertisement
11
TROUBLESHOOTING
11 - 16
(2) Automatic communication parameter error code storage area
(a) When an error occurs with the automatic communication parameter setting
request/automatic communication start request (Y4) ON, the corresponding
error code is stored in this area.
(b) The error code is stored when the automatic communication parameter
setting, error completed (X5) turns ON.
(c) The error code is cleared when the automatic communication parameter
setting, normally completed (X4) turns ON.
(3) Automatic communication parameter setting result storage area
(a) When an automatic communication parameter error occurs with the
automatic communication parameter setting request/automatic
communication start request (Y4) ON, the automatic communication
parameter number corresponding to the error is stored in this area.
(b) The automatic communication parameter number is stored when the
automatic communication parameter setting, error completed (X5) turns ON.
(c) The automatic communication parameter number is cleared when the
automatic communication parameter setting, normally completed (X4) turns
ON.
(4) MODBUS device assignment parameter error code storage area
(a) When a MODBUS device assignment parameter error occurs while the
MODBUS device assignment parameter setting request (Y8) is ON, the
corresponding error code is stored in this area.
(b) The error code is stored when the MODBUS device assignment parameter
setting, error completed (X9) turns ON.
(c) The error code is cleared when the MODBUS device assignment parameter
setting, normally completed (X8) turns ON.
(5) MODBUS device assignment parameter setting result storage area
(a) When a MODBUS device assignment parameter error occurs with the
MODBUS device assignment parameter setting request (Y8) ON, the device
type and assigned group No. of the error device is stored in this area.
(b) The device type and assigned group No. are stored when the MODBUS
device assignment parameter setting, error completed (X9) turns ON.
(c) The device type and assigned group No. are cleared when the MODBUS
device assignment parameter setting, normally completed (X8) turns ON.
(d) The following values are stored to show the erroneous device type when the
MODBUS device assignment parameter setting, error completed (X9) is ON.
<Error devices and corresponding values>
• Coil
• Input
• Input register
• Holding register : 0005
: 0001
H
: 0002
H
: 0004
H
H
MELSEC-Q
11 - 16
Advertisement
Table of Contents
