Mitsubishi QJ71C24N User Manual page 425

APPENDIXES
<Initial setting command>
<Setting of word/byte units designation>
<Setting of on-demand function designation and transmission area designation>
<Setting of receive area designation>
App. - 52
(2) Program example
REMARKS
When changing the default values of the following buffer memory areas, refer to
above (2) Program example to perform programming.
• DTR/DSR (ER/DR), DC control designation
• DC1/DC3 (Xon/Xoff) code designation
• DC2/DC4 code designation
• CD terminal check designation (for RS-232)
• Communication system designation (for RS-232)
• Simultaneous transmission priority/non-priority designation
• Retransmission time transmission method designation
• Simultaneously transmission data valid/invalid designation
• No-reception monitoring time (timer 0) designation
MELSEC-Q
Changes the initial setting
command into pulses.
Sets the word/byte units
designation to byte.
Transfers the setting value to
the word/byte units designation
area of the buffer memory.
Initial setting command 2
Abnormal completion of REMTO
instruction
Sets 400 to the buffer memory head
H
address for on-demand transmission.
Sets 0 to the buffer memory length
H
for on-demand transmission.
Sets 0C00 to the transmission
H
buffer memory head address.
Sets 400 to the transmission buffer
H
memory length.
Transfers the setting values to the
on-demand function designation
and transmission area designation
areas of the buffer memory.
Initial setting command 3
Abnormal completion of REMTO
instruction
Sets 600 to the receive buffer
H
memory head address.
Sets 200 to the receive buffer
H
memory length.
Transfers the setting value to the
receive area designation area of the
buffer memory.
Initial setting completion
Abnormal completion of REMTO
instruction
App. - 52