Mitsubishi Electric MELSEC FX3U Programming Manual page 46

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Classification
PLC system
setting (1)
[PLC mode]
PLC system
setting (2)
[Serial
communication]
Positioning
setting
Others
*1. This function is supported only in FX
*2. This item is supported only in the FX
*3. This item is supported only in the FX
*4. This function is supported only in FX
*5. The second keyword is supported in all FX
44
Item
This parameter sets the PLC operation mode without a battery.
Batteryless
When the baterryless mode is set, detection of battery voltage low level error is stopped
*1
automatically, and consequently, contents of latched devices becomes inconsistent and
mode
are initialized automatically.
This parameter sets the PLC operation mode with a battery.
Battery
When the check box "Use Battery" is checked, general type devices are changed to
*4
mode
latched (battery backed) type devices.
Modem This parameter automatically sends a specified AT command as an initialization
initialization command to a modem connected to the serial port.
RUN terminal
This parameter sets whether one input terminal in the PLC is used for RUN input.
input setting
This parameter specifies the input number of the RUN input described above.
X000 to X017
RUN terminal
input number
(X000 to X007 in FX
(X000 to X014 in 24-point type FX
This parameter corresponds to the following settings by specifying each contents on the
Serial port PC screen:
operation Setting of communication format (D8120, D8400 and D8420)
setting Setting of station number (D8121 and D8421)
Setting of timeout check (D8129, D8409 and D8429)
This parameter sets interrupt inputs for the maximum speed, bias speed, creep speed,
Constant
zero return speed, acceleration time, deceleration time, and DVIT instruction.
setting
It is necessary to set the memory capacity.
Detailed This parameter sets the operation table.
setting It is necessary to set the memory capacity.
This parameter sets protection to prevent erroneous read/incorrect write protection of a
sequence program. The keyword and second keyword
Keyword
characters among A to F and 0 to 9.
In FX PLCs, the customer keyword (16 characters) and permanent PLC lock can be
3G
specified in addition to the keyword (8 characters) and second keyword (8 characters).
Program title This parameter enables to set a character string to be used as the program title.
Description
-16M , FX -16M
3U 3UC
PLCs)
3G
/FX PLCs.
3U 3UC
-32MT-LT(-2).
3UC
-32MT-LT-2.
3UC
PLC.
3G
PLCs and FX
3G 3U
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
and 14-point type FX
3G
*5
can each be specified in 8
/FX PLCs Ver. 2.20 or later.
3UC
PLCs)
*1