Mitsubishi Electric MELSEC iQ-R Series User Manual page 189

Modem/TA initialization with a program
■I/O signals used for initialization
The 'Modem initialization request' (Y10), 'Modem initialization completion' (X10) and 'Initialization/connection abnormal
completion' (X13) are used.
Ex.
When initializing the modem connected to CH1 of C24 using two set of data for initialization (registration numbers 8001H and
8002H) that are registered in the buffer memory
Address Buffer memory
Un\G182 Frame number being transmitted
Un\G183 CR/LF output designation
Un\G184 Output head pointer designation
Un\G185 Number of outputs
Un\G186 1st unit
Un\G187 2nd unit
Un\G188 3rd unit
Transmission
frame
Un\G189 4th unit
number
Un\G190 5th unit
Un\G191 6th unit
Must be designated prior
to the modem
initialization request.
Y10
Initialization request
X10
Modem initialization
completion
Initialization/connection
X13
abnormal completion
C24
Modem
(Designated value)
0
0
3
2
9C4H
9C5H
8001H
8002H
9D0H
9D1H
* The C24 will transmit the data for initialization in the designated order.
Initialization data
Initialization data
Out of the transmission frame numbers, from which one the transmission will be initiated is designated.
Out of the transmission frame numbers, the number of units to be transmitted is designated.
Data for initialization registration number is designated.
(Normal completion)
(Abnormal completion)
After the designated number of initialization retries
have been executed
Registration No.8002H
Registration No.8001H
7 COMMUNICATIONS BY THE MODEM FUNCTION
7.4 Startup of the Modem Function
7
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