27: MODEM MODE
« FC4A MICROSMART USER’S MANUAL » 27-7
Modem Mode Status Data Register
When the modem mode is enabled, data register D8111 stores a modem mode status or error code.
D8111 Value Status Description
0 Not in the modem mode Modem mode is not enabled.
10 Ready for connecting line
Start internal relays except for disconnecting line can
be turned on.
20
Sending initialization string
(originate mode)
A start internal relay is in operation in the first tr y or
subsequent retrial.
21 Sending ATZ (originate mode)
22 Dialing
23 Disconnecting line
24 Sending AT command
25 Sending initialization string (answer mode)
26 Sending ATZ (answer mode)
30
Waiting for resending initialization string
(originate mode)
The command started by a start internal relay was not
completed and is waiting for retrial.
31 Waiting for resending ATZ (originate mode)
32 Waiting for re-dialing
33 Waiting for re-disconnecting line
34 Waiting for resending AT command
35
Waiting for resending initialization string
(answer mode)
36 Waiting for resending ATZ (answer mode)
40 Line connected
Telephone line is connected. Only M8053 (disconnect
line) can be turned on.
50 AT command completed successfully
Command started by M8054-M8056 is completed suc-
cessfully.
60 AT command program error
Invalid character is included in the initialization string,
dial number, or AT command string.
Correct the program to include 0Dh in the AT command.
61 Simultaneous start of commands
Two or more start internal relays are on.
Correct the user program so that only one start internal
relay goes on at a time.
62 Invalid command in on-line mode
A start IR other than M8053 (disconnect line) is turned
on while the telephone line is connected.
Correct the program so that only the disconnect com-
mand is sent while the line is connected.
63 AT command execution error Command failed in the first and all retry cycles.
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