26 PARAMETER SETTING
26.2 Module Parameters
425
26
Item Description Setting range
Signal specification RTS (RS) signal status designation Sets the ON/OFF state of RTS(RS) signal. • OFF
•ON
(Default: ON)
DTR (ER) signal status designation Sets the ON/OFF state of DTR (ER) signal. • OFF
•ON
(Default: ON)
Transmission
control
specification
Transmission control Sets which controls data communication with a target
device, transmission control signal or DC code.
• DTR/DSR control
• DC code control
(Default: DTR/DSR control)
DC1/DC3 control Sets whether or not DC1/DC3 control is enabled. • Control disabled
• Control enabled
(Default: Control disabled)
DC2/DC4 control Sets whether or not DC2/DC4 control is enabled. • Control disabled
• Control enabled
(Default: Control disabled)
DC1 code Sets the control data to inform a target device that C24 can
receive data.
00H to FFH
(Default: 11H)
DC3 code Sets the control data to inform a target device that C24
cannot receive data.
00H to FFH
(Default: 12H)
DC2 code Sets the control data to inform a target device the start of a
valid data.
00H to FFH
(Default: 13H)
DC4 code Sets the control data to inform a target device the end of a
valid data.
00H to FFH
(Default: 14H)
Transmission control start free space
designation
Designates a free capacity in the OS area that informs data
cannot be received.
64 to 4095
(Default: 64)
Transmission control end free space
designation
Designates a free capacity in the OS area that informs data
can be received.
263 to 4096
(Default: 263)
Nonprocedural no-reception monitoring
time method designation
Sets the format to use the no-reception monitoring time
(timer 0).
• Method 0
• Method 1
(Default: Method 0)
Communication
control
specification
Word/byte units designation Sets the unit of data length (data count). • Word unit
• Byte unit
(Default: Word unit)
CD terminal check designation Checks the state of the CD (DCD) signal. • Check
• Do not check
(Default: Do not check)
Communication method designation Sets the communication method. • Full-duplex communication
• Half-duplex communication
(Default: Full-duplex
communication)
Echo back enable/prohibit specification Sets whether or not the returned data is received. • Echo back enable
• Echo back prohibit
(Echo back prohibit)
NULL character automatic removal
designation
Sets whether or not NULL character is automatically
deleted.
• Auto delete disabled
• Auto delete enabled
(Default: Auto delete
disabled)
Communication data reception enable/
disable designation
Sets this if noise signals are added on the line when turning
ON the power of the target device or connecting the
communication cable. Setting to "Receive enable",
improper data due to noise signal addition can be
discarded.
Set this designation to "Receive enable" by a program after
the serial line has been settled. While this designation is set
to "Receive disable", the normal data also is discarded.
• Receive enable
• Receive disable
(Default: Receive enable)
Receive data enable/disable Sets whether data received simultaneously is valid or
invalid.
• Enable
• Disable
(Default: Enable)
Send data enable/disable Sets whether data transmitted simultaneously is valid or
invalid.
• Enable
• Disable
(Default: Enable)
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