Siemens SIMATIC CP 340 User Manual page 199

Examples, 58
Format string, 57
Handshaking, 59
Message texts, 56, 76
Technical specifications, 163
Variables, 57
X27 (RS 422/485) interface, 74
Procedure, 28
Programming device, 15
Programming example, 147
R
Reading the diagnostic buffer at the programming
device, 144
Receive buffer on CP 340, 55
Receiving message frames, 130
Receiving with the 3964(R) procedure, 40
Recycling, 164
Removing the CP 340, 90, 91
RS 232C, 18
RS 232C accompanying signals
Automatic control, 47
V24_SET FC, 47
V24_STAT FC, 47
RS 232C interface
Connecting cables, 165
Pin assignment, 165
Technical specifications, 160
RS 232C secondary signals, 47
RS 232C Secondary Signals, 118
Reading and controlling, 118
RXD, 133
S
S7-300 backplane bus, 131
Sending with the 3964(R) procedure, 36
Service & Support, 5
Software components, 15
Function blocks, 15
Parameter assignment interface, 15
STEP 7 software package, 15
Special displays, 133
Standard connecting cable, 15
Standard Connecting Cable, 14
Start-up behavior, 128
STATUS Output of the FBs, 131
PtP coupling and configuration of CP 340
Manual, 04/2011, A5E00369892-03
STATUS parameter
Event classes, 134
Example, 134
Structure, 134
T
Technical specifications, 159
The program example
Download to the CPU, 155
TXD, 133
V
V24_SET FC, 47
V24_STAT FC, 47
X
X27 (RS 422) interface
Parameter, 65
X27 (RS 422/485), 21
X27 (RS 422/485) interface
Technical specifications, 160
Index
199