Technical data

Connections

SINAUT MD720-3

C79000-G8900-C210

2.3 Remote configurations by GSM data call

Using a modem (analog, ISDN, GSM) a PC, functioning as configuration computer,

can establish a data connection to a SINAUT MD720-3. The SINAUT MD720-3

only accepts calls that identify themselves with the right telephone number

registered before in the SINAUT MD720-3 (CLIP).

According to the transmitted CLIP the incoming call will be connected to the

internal Service Interface of the SINAUT MD720-3 or to the control which is

connected.

GSM data call S7-200 Õ Configuration computer

Figure 2-4

Remote configurations of the S7-200 by CSD data call

When a call goes to the connected control this control switches to the PPI mode.

Then a software update is possible.

GSM data call SINAUT MD720-3 (Service mode) Ù Configuration computer

Figure 2-5

Remote configurations of the SINAUT MD720-3 by CSD data call

A call to the Service Interface of the SINAUT MD720-3 must be established as

PPP-connection. Then it is possible to update the software of the device via FTP

protocol (refer to chapter 9.4 Service calls in OPC mode).

S7-200 PPI

SINAUT

MD720-3

GPRS/

GSM

Fixed net

Configuration

computer