Panasonic AF7CPS Series, User Manual

Page: 57 / 82

6.2 Sending Operation
6-7
6.2.4 Precautions on Sending Data

Procedures when the end code is not added in the sending process
When you do not wish to add the terminator (end code) in the sending process, use a
negative value for specifying the No. of sent bytes.
R0
（ ） DF
SSET DT100 “ABCDE”
R100
R100
R100
NEG.SS DT100 DT100
GPSEND
．
SS DT101 DT0 DT100
X8 Y8
GPSEND execution conditions
Clear to send flag: ON
Sending active flag: OFF
Because no end code is added,
use a negative value for
specifying the No. of sent bytes.
SEND processing
S: Header of Sent Data (DT101)
n: No. of Sent Characters (DT100)
D: Execution Result Code (DT0)
General-purpose
communication
Clear to send flag General-purpose
communication
Sending active flag
R100
Data conversion
S1: Sent Data
S2: Save Sent Data
DT100: No. of Sent Characters
DT101 onward: Sent Data
R101
（ ）
DF
（ ）
DF
Y8 R101
（ ） DF /
Confirm sending completion
Reset GPSEND execution
conditions
R100
UNITSEL U1 U0
Settings for communication port
S1: Slot 0 (U0)
S2: COM1 (U1)
S1 S2
S1 S2
S n D
S1 D
KEY POINTS

When you do not wish to add the terminator (end code), use a negative
value for specifying the No. of sent data in GPSEND instruction. Select "SS"
for operation unit.