如何实现两个S7-1200 CPU之间的以太网通信

1

1.1 S7-1200 PROFINET

S7-1200 CPU PROFINET TCP/IP S7-1200 CPU HMI CPU PROFINET 10/100Mb/s RJ45 1.2 S7-1200

S7-1200 CPU PROFINET

TCP

ISO on TCP ( RCF 1006 ) S7 ( )

S7-1200 CPU PROFINET

3 HMI ( ) CPU 1 PG CPU

8 Open IE ( TCP, ISO on TCP) T-block 3 S7 S7-200 S7-300 S7-400

S7

S7-1200 CPU 15 TCP Transport Connection Protocol

TCP RFC 793 TCP TCP IP (Internet protocol) “TCP/IP ” ISO-OSI

(<=8192 bytes) – –

–

TCP

TELNET FTP TCP

SEND/RECEIVE

1.3

S7-1200 CPU PROFINET

S7-1200 CPU HMI PLC

1

1

2

CSM1277

S7-1200 CPU HMI S7-1200 CPU S7-1200 CPU 4 CPU CSM1277 S7-1200 CPU

2

CSM1277

2 S7-1200 CPU ETHERNET S7-1200 CPU

S7-1200 S7-1200 TCP ISO on TCP CPU T-block (TSEND_C, TRCV_C, TCON, TDISCON, TSEN, TRCV) TSEND TRCV S7-1200 CPU S7 Sever S7 2.1

S7-1200 CPU PC TP

STEP 7 Basic V10.5

PLC_1 DB 100 PLC_2 DB PLC_1 QB0 PLC_2 IB0 2.2

STEP 7 Basic

STEP 7 Basic “Portal View” “Create new project”

PLC

“Project view” “Project tree” “Add new device” S7-1200 CPU PLC_1 3

S7-1200 CPU PLC_2

CPU

3

CPU

“Project tree” > “PLC_1” > “Device configuration” CPU “Properties” > “System and clock memory” MB1 MB0 4

M0.3 2Hz 0 1

MB1

MB0

4

PROFINET

“Device View” CPU PROFINET PROFINET “Ethernet addresses” IP 192.168.0.1 255.255.255.0 5

IP

5 IP

S7-1200 CPU IP 192.168.0.2

CPU

“Project tree”>“Devices & Networks” >“Networks view” PLC_1 PROFINET PLC_2 PROFINET 6

6 CPU

2.3 TCP

2.3.1 PLC_1 “TSEND_C” “T_RCV”

PLC_1 OB1 “TSEND_C”

CPU “Project tree” > “ PLC_1” > “Program blocks” > “OB1” “Instructions” > “Extended Instructions” > “Communications” “TSEND_C” “Single Instance” DB “ ” 7

7 “TSEND_C”

PLC_1 “TSEND_C”

PLC_1 TSEND_C “Properties”> “Configuration”>“Connection parameter” 8

8 TSEND_C

End point CPU PLC_2 Connection type TCP

Connection ID ID ID Connection data DB …… 此处隐藏：1321字，全部文档内容请下载后查看。喜欢就下载吧 ……