179
13 Configuration
13.15.1 Modem
Setup dialog
Parameter
Parameter Selection/settings Description
Cycl. init. time 0 to 5 to 255 min Time for cyclical initialization of the
modem (if the modem is switched on
after the system).
0 = one-time initialization (after system
has been switched on)
Init. string AT&FE0X3Q1&K0S0=1&D0&W0&Y0
(ASCII; max. 40 characters)
AT command for modem initialization
This default initialization string config-
ures the modem so that it can be called
from an external source, answers inde-
pendently, and receives Modbus com-
mands.
Call string ATDT
(ASCII; max. 24 characters)
AT command for establishing a connec-
tion via the modem
ATDT = selection with dial tone (DTMF)
Hang-up string ATH
(ASCII; max. 16 characters)
AT command for disconnection via the
modem
ATH (or ATH0) = hang up
Alarm message
Alarm type Output of alarm message
E-mail In the event of an alarm, an e-mail is
sent (via the e-mail server after connect-
ing to the Internet).
PC visualization In the event of an alarm, a modem con-
nection is established to a PC with pro-
cess visualization software.
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