Seneca S6001-RTU, User Manual

Page: 185 / 210

USER MANUAL – Z-TWS4/Z-PASS2-S/S6001-RTU
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(NOTE: this only means that the command was successfully sent
and the response was successfully received;
it does not necessarily mean that the AT command was
successfully executed;
in other words, it is up to the application to tell if the
response means success or failure)
2, if timeout has expired
4, if PPP is active, on Z-MINIRTU
5, if MODEM_RESET FB is running
- RESPONSE : the response to the AT command, as sent by the modem; it can
contain more lines, separated by a '\' character;
if the whole response is longer than 255 characters, it will be truncated.
Please note that the MODEM_CTRL FB can't be successfully executed while the PPP
connection is active, on Z-MINIRTU.
This FB cannot be used (i.e.: it won't work) in the following situations:
- if modem is set to send numeric result codes (see "ATV" command)
- for commands using a prompt (e.g.: "AT+CMGS" command)
- for call-handling commands (e.g.: "ATD", "ATA", "ATH").
19.1.10 MODEM_ONOFF
This FB permits to control the power ON/OFF digital input of the MODEM.
The params are :
ON_OFF : if True power-up the modem
@ENABLE : if True the FB is executed
RESULT : -2 FB executed with @ENABLE set to False
-1 Error
0 operation not completed
+1 OK
+2 modem is already ON/OFF
19.1.11 MODEM_RESET