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23 Applied Instructions (Extension Function)
23.2 EXTR_OUT / External ROM function
580
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
Function and operation explanation1 (Transmitting short mail)
→ For the details of the instruction, refer to Communication Control Manual.
This instruction is for using the optional memory for extension function.
When K0 is set to the device specified by , the PLC transmits the short mail.
The short mail is transmitted by the PLC. The NTT DoCoMo and other firms mobile phones capable of
receiving the short mail are notified.
The PLC connects to the NTT DoCoMo short mail center through the modem.
1. 16-bit operation (EXTR_OUT, EXTRP_OUT)
Message (contents of the device specified by ) is transmitted to the mail center (mail center specified by
).
2. Contents of message
The message should be as follows.
• Number of characters : Up to 50 half width characters (25 full width characters)
• Type of characters : Numbers, Kanji, Katakana, Hiragana, symbols, etc.
• Available characters : Use the character codes specified by the short mail service
• Receiving message : Received automatically.
3. Related devices
*1. Cleared when changing from STOP to RUN.
Special
auxiliary
relays
Function
Special data
register
Function
M8104
ON when installing extended ROM
cassette
D8104 Extended ROM type code
D8105 Extended ROM version
M8154
Function to be defined for each EXTR
instruction
D8154 Time waiting for EXTR instruction response
M8155
Communications port being used by EXTR
instruction
D8155
Step number of instruction occupying communications
port
M8156 Communication error by EXTR instruction D8156 Communication error by EXTR instruction
M8157
Communication error by EXTR instruction
(Latch)
*1
D8157
Communication error by EXTR instruction (Latch)
*1
K1 if no error
EXTR_OUT
EN
s
sd1
ENO
sd2
sd3
Command
input
K0
Mail center, phone number of transmission destination, waiting time
Transmission message format and message text
Operation status