Mitsubishi Electric MELSEC iQ-RJ71C24-R4 - Page 189

7 COMMUNICATIONS BY THE MODEM FUNCTION
7.4 Startup of the Modem Function
187
7
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
0
0
3
2
9C4H
9C5H
8001H
8002H
9D0H
9D1H
Y10
X10
X13
C24
*
Address Buffer memory (Designated value)
Un\G182
Frame number being transmitted
CR/LF output designationUn\G183
Output head pointer designation Out of the transmission frame numbers, from which one the transmission will be initiated is designated.
Un\G184
Number of outputs
Out of the transmission frame numbers, the number of units to be transmitted is designated.
Un\G185
1st unitUn\G186
2nd unitUn\G187
3rd unit Data for initialization registration number is designated.Un\G188
Transmission
frame
number
4th unitUn\G189
5th unitUn\G190
6th unitUn\G191
The C24 will transmit the data for initialization in the designated order.
Must be designated prior
to the modem
initialization request.
Initialization request
Modem initialization
completion
(Normal completion)
Initialization/connection
abnormal completion
(Abnormal completion)
After the designated number of initialization retries
have been executed
Initialization data Registration No.8002H
Initialization data Registration No.8001H
Modem