Name: Siemens SIMATIC S7 CP340
Brand: Siemens
Rating: 4 (1 reviews)

To Next Page

To Previous Page

4 ASCII protocol communication

CP340/CP341/CP440/CP441 Communication and Programming

Entry-ID: 88867653, V1.0, 02/2014

Fig. 3: Insert S7-300 station

3. Double-click Hardware to enter the hardware configuration interface and insert

RACK, CPU315-2DP and CP340.

Fig. 4: Configuration hardware

Table of Contents2
Overview3
Corresponding Relations between Modules and Protocols3
Introduction of Related Software and Its Applications5
Ptp Drive Software Package5
MODBUS Master Drive Software Package5
MODBUS Slave Drive Software Package5
Manual and Related Application Documents6
ASCII Protocol Communication7
ASCII Protocol Communication of CP3407
Hardware Catalog7
Configuration7
Insert S7-300 Station8
Configuration Hardware8
CP340 Properties Dialog Box9
Protocol Selection9
Distributing Communication Parameters for ASCII Protocol10
Configuration Interface Parameters10
Wiring of Receiver at Interface RS485/42211
Compile and Save Hardware Configuration11
Write Communication Program11
Logic Address of CP34011
Send Data Block DB112
Parameter Definition of FB3 P_SEND12
Invoke FB3 P_SEND from OB112
Create Receive Data Block DB1013
Receive Data Block DB1013
Parameter Definition of FB2 P_RCV13
Invoke FB2 P_SEND from OB113
ASCII Protocol Communication of CP34114
Equipment Connection14
CP341 Properties Dialog Box15
Distributing Parameters for ASCII Protocol16
Logic Address of CP34117
Invoke FB8 P_SND_RK from OB118
Parameter Definition of FB7 P_RCV_RK19
ASCII Protocol Communication of CP44020
Invoke FB7 P_RCV_RK from OB120
Insert S7-400 Station21
Parameter Definition of FB10 SEND_44024
Invoke FB10 SEND_440 from OB125
Parameter Definition of FB9 RECV_44025
Invoke FB9 RECV_440 from OB125
ASCII Protocol Communication of CP44126
CP441 Interface Sub-Module26
Equipment Connection26
Setting of Basic Interface Parameters28
Create New Ptp Network29
Interface Status after Ptp Is Connected29
Insert a New Connection30
Monitoring of Connection Status31
Appendix B: Connecting Cables34
MODBUS RTU Protocol Communication35
MODBUS Slave Protocol Communication of CP34135
Before and after Inserting Dongle35
Equipment Connection52
Communication Test52
Chapter 5: Function Code58

Brand	Siemens
Model	SIMATIC S7 CP340
Category	Cell Phone
Language	English

Siemens SIMATIC S7 CP340 User Manual

Table of Contents

Questions and Answers:

Siemens SIMATIC S7 CP340 Specifications

Related product manuals