User`s manual

105
CHAPTER 3 COMMUNICATIONS BY THE MODEM FUNCTION
3
3.3 Specifications
3.3.6 Buffer memory
The buffer memory that can be used with the modem function is described.
Refer to the User's Manual (Basic) for the buffer memory not related to the modem function.
The writing and reading of setting values to and from the buffer memory are performed using the special utility package ("GX
Configurator-SC") of the Q series C24.
This section provides supplementary explanations on setting values used to perform settings and monitoring with GX
Configurator-SC.
(1) Buffer memory list
Address Dec. (Hex.)
Application Name
Default
value
Correspondence
protocol
CH1 CH2 MC Non Bi
0 (0H)
For LED and
communication
error clear
Communication error clear request for CH1 and to turn LED
off
0RW
1 (1H)
Communication error clear request for CH2 and to turn LED
off
2 (2H)
For Flash ROM
access
Register/read/delete directions
0RW
3 (3H) Frame No. direction
4 (4H) Register/read/delete result storage
5 (5H) Number of data bytes registration designation
6 to 45 (6H to 2DH) User frame
46 (2EH)
For modem
functions
designation-1
*3
Modem connection channel directions
0: None, 1: CH1, 2: CH2
0
RW
47 (2FH)
Notification execution designation
*2
0: Does not execute, 1: Execute
48 (30H)
Number of connection retries designation
1 to 5: Number of retries
3
49 (31H)
Connection retry interval designation
90 to 300: Connection retry interval (unit: s)
180
50 (32H)
Initialization/connection timeout designation
1 to 60: Time out (unit: s)
60
51 (33H)
Number of initialization retries designation
1 to 5: Number of retries
3
52 (34H)
Data number for initialization designation
0H: Sends initialization data designated by the transmission
user frame designation area
7D0H to 801FH: Data No. for initialization
7D0H
(2000)
53 (35H)
Data number for connection designation
BB8H to 801FH: Data number for connection
0
54 (36H)
[When using Q series C24]
GX Developer connection designation
0: Does not connect, 1: Connects
[When using L series C24]
MELSOFT connection designation
0: Does not connect, 1: Connects
55 (37H)
No-communication interval time designation
0: Waits infinitely
1 to 120: Non-communication interval time (Line disconnection
wait time)
(Unit: min)
30
56 (38H)
RS/CS control yes/no designation
0: Does not control, 1: Controls
1