Siemens 6GK7242-7KX30-0XE0 사용자 설명서
CP 1242-7
Operating Instructions, 03/2012, C79000-G8976-C247-03
Operating Instructions, 03/2012, C79000-G8976-C247-03
7
Table of contents
Preface ...................................................................................................................................................... 3
1
Application and properties ......................................................................................................................... 9
1.1
1.1
Connecting the S7-1200 to a GSM network ..................................................................................9
1.2
Applications..................................................................................................................................10
1.3
Other properties of the CP...........................................................................................................11
1.4
Performance data ........................................................................................................................11
1.5
Requirements for operation .........................................................................................................13
1.6
Configuration examples ...............................................................................................................14
2
Displays and connectors.......................................................................................................................... 19
2.1
2.1
Opening the housing....................................................................................................................19
2.2
LEDs ............................................................................................................................................20
2.3
Electrical connections ..................................................................................................................23
3
Installation, connecting up, commissioning.............................................................................................. 25
3.1
3.1
Important notes on using the device............................................................................................25
3.2
Installing and commissioning the CP...........................................................................................27
3.3
Pin assignment of the socket for the external power supply .......................................................32
4
Notes on operation and configuration ...................................................................................................... 33
4.1
4.1
Modes and communications partners of the CP 1242-7 .............................................................33
4.2
Connection modes and connection establishment ......................................................................34
4.3
The wake-up SMS .......................................................................................................................36
4.4
Calling a TeleService connection.................................................................................................38
4.5
Connection monitoring, data buffering, acknowledgement..........................................................39
4.5.1
Redial delay (STEP 7) .................................................................................................................39
4.5.2
Connection monitoring time .........................................................................................................40
4.5.3
Frame buffer and acknowledgement ...........................................................................................40
4.6
Data management in the process image .....................................................................................41
4.7
Data transfer between communications partners ........................................................................42
4.7.1
Sending from station to station ....................................................................................................42
4.7.2
The S7-1200 sends data to the master station (TC_SEND)........................................................42
4.7.3
Master station reads data from the S7-1200 (read).....................................................................44
4.7.4
Master station sends data to the S7-1200 (write, TC_RECV) .....................................................44
4.8
Main and substitute telecontrol server .........................................................................................45