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ETM 9440-1 Modem Reply Error when send SMS

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I have a ETM 9440-1 GSM modem connected to a V1040, with 6 recipients in phone book for each SMS to send

-the modem initializes OK connects in the V1040 PLC  program.

When a "SMS send" block is run, the modem sends the message to the first recipient in the address book OK

, but  then "Status Mesages" for modem return "8 - Unknown modem reply" and fails to send to remaining recipients in phone book?

 

The modem is a Cinterion  PH8-P engine, I have used Cinterion MC55i in "Init block" on startup with custom init AT commands

 

AT&F

ATE0

AT+CPIN=^XXXX^

WAIT 3

AT&C1&D1&S0Q0S0=1V1

ATX4

WAIT 3

AT+CNMI=0,0,0,0,1

AT^SCFG="Radio/Band",211,1

AT+CPMS=SM,SM,SM

AT+IPR=9600

AT&W0

ATI

 

Does the "SMS Send" block have different commands to the modem depending on what modem is selected in "Init block"??

Any help or ideas please.

 

Matt

 

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