Tc_Recv: Receive Data Via The Gsm Network - Siemens SIMATIC NETS7-1200 Operating Instructions Manual

Configuration
5.4 Configuring the telecontrol instructions
DONE ERROR STATUS
0 1 80EA
0 1 80EF
0 1 80F1
0 1 80F4
0 1 80F5
0 1 80F6
5.4.4

TC_RECV: Receive data via the GSM network

Meaning
The TC_RECV instruction allows the reception of data via programmed connections of the
following types:
● ISO-ON-TCP connections
● SMS connections
● Telecontrol connections
You will find more detailed information on the connection types in the description of the
TC_CON instruction.
56
Meaning
Error message from remote partner:
H
Check the connection partner. Enable the "TC_RECV" instruction on the

communications partner.
If necessary, terminate the connection with TC_DISCON and establish it again with

TC_CON.
SMS could not be sent:
H
Check whether the destination address (telephone number of the destination

subscriber) exists.
Check whether the inserted SIM card allows sending of SMS.

Make sure that when the data block TCON_phone was created, the "Standard"

option was selected for block access.
Sending of SMS messages is not enabled in the STEP 7 configuration of the CP:
H
Enalble the "Allow SMS" option in the configuration of the CP.
Connection endpoint cannot be generated:
H
Check the connection partner.
Invalid connection endpoint:
H
Connection establishment by TC_CON failed.

or
Connection terminated by remote partner: First call TC_DISCON.

Format error of a parameter in the called data block (wrong length, wrong format or
H
invalid value)
Check the configuration of the "TC_CON..." SDT.
Receiving SMS messages is supported only if permitted by the configuration. To allow
this, the phone number of the sender must be configured on the CP of the receiving
station (authorized phone numbers) and the sender must support the CLIP function.
The phone number of the connection partner must be entered in the "TCON_phone" SDT.
Wake-up SMS messages are filtered out.
Operating Instructions, 09/2011, C79000-G8976-C247-02
CP 1242-7