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3.5
Function blocks _ET200S_SIxx_setV24Sig
Task
The _ET200S_SIxx_setV24Sig function block enables you to set or reset the RS 232C
secondary signals when an ASCII driver is specified.
Depending on which data interface you have chosen in the hardware configuration, you use
the _ET200S_SI04_setV24Sig function block for the 4-byte data interface, the
_ET200S_SI08_setV24Sig function block for the 8-byte data interface, and the
_ET200S_SI32_setV24Sig function block for the 32-byte data interface of the serial interface
module.
Call (LAD representation)
Parameter description
Table 3-4
Parameter _ET200S_SIxx_setV24Sig
Name
P type
1)
execute
IN
BOOL
reset
IN
BOOL
sigDtr
IN
BOOL
sigRts
IN
BOOL
periIn
IN
ARRAY [0..3] of BYTE /
ARRAY [0..7] of BYTE /
ARRAY [0..31] of BYTE
periOut
IN/OUT
ARRAY [0..3] of BYTE /
ARRAY [0..7] of BYTE /
ARRAY [0..31] of BYTE
Supplement to the ET 200S 1SI serial interface module
Function Manual, 01/2015, xxx
Data type
Initiates request on positive edge
Aborts request
Data terminal ready
Request to send
Transfers I/O inputs of the serial in‐
terface module to FB
Prepared data of the FB for the I/O
outputs of the serial interface module
2)
Function blocks of the ET 200S 1SI serial interface module
3.5 Function blocks _ET200S_SIxx_setV24Sig
Meaning
Actions performed
Actions per‐
by user
formed by
Entered
Checked
Entered
Checked
Entered
Checked
Entered
Checked
I/O variable of the I/O
Checked
inputs of the serial
module transferred to
the FB
Checked and entered
Entered
on the I/O variable for
the I/O outputs
block
29
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