Modbus
SECTION 5 Modbus Communications Procedure
5-20
● Parameter Initialization
The present settings are returned to the default values and written to
EEPROM. This command can be accepted in setup area 1 only. When
this command is issued in setup area 0, an “operation error” will be
generated.
● Alarm Latch Cancel
The applicable alarm latch can be cleared with the related information
setting. The setting can be accepted in both setup area 0 and setup
area 1. An operation error will occur if communications writing is
disabled or if an EEPROM error occurs.
● SP Mode
Select local or remote SP mode with the related information setting.
The setting can be accepted in both setup area 0 and setup area 1. An
operation error will occur in the following situations.
• When AT is being executed
• When the SP Mode parameter is disabled (not displayed at the
Controller)
• When an SP mode change is set for the event input
● Invert Direct/Reverse Operation
Inverting or not inverting direct/reverse operation can be selected with
the related information setting. The setting can be accepted in both
setup area 0 and setup area 1. The related information specifications
are written to EEPROM according to the write mode settings. An
operation error will occur in the following situations:
• When AT is being executed.
• When inverting direct/reverse operation is set for an event input.
• When executed in manual mode.
● Program Start
The simple program function can be reset/started with the related infor-
mation setting. The setting can be accepted in both setup area 0 and
setup area 1. An operation error will be generated if program start has
been set in the event input.
Related
information
Explanation (initialization values)
00 Default set values (See SECTION 3 Communications Data for
CompoWay/F and SYSWAY for details.) (These settings are the
same as the ones used when “FACT” is selected for the setting
data’s set value initialization.)
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