Siemens Simatic S7-300 CP 341 User Manual page 251

Block call, 148, 152
P_SND_RK
Block call, 143, 156
Parameter assignment, 172, 182
Direct, 172
Indirect, 172
of data words, 174
Parameter assignment data, 79
Parameter assignment interface, 23
Parameters
FB 7 P_RCV_RK, 138, 149, 153
FB 8 P_SND_RK, 134, 144, 157
FC 5 V24_STAT, 162
FC 6 V24_SET, 164
Parity, 82, 89
PG cable, 22
Printer driver
Baud rate, 94
BUSY signal, 78
Character frame, 94
Character set, 97
Control characters, 97
Data flow control, 78, 95
Examples, 76
Format string, 76
Handshaking, 78
Message texts, 75, 98
Variables, 75
X27 (RS 422/485) interface, 95
Priority, 82
Programming device (PG), 22
Protocol
Integrated in module, 17
Protocol parameters, 81, 88
Q
Quasi-full-duplex, 59
R
Receive buffer, 70, 91
Receive line initial state, 83, 92
Receiving data
3964(R) procedure, 42
ASCII driver, 64
Response message frame, 50, 52
Error numbers, 185
Structure and content, 52
RK 512
FB 7 P_RCV_RK, 140
Interprocessor communication flag, 140
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01
www.gkbpx.com
Partner requests, 61
RK 512
Transmission process, 60
RK 512
FB 8 P_SND_RK, 140
RK 512 computer link
Command message frame, 50, 51
Fetching data, 56
Response message frame, 50, 52
Sending data, 53
RS 232C
Accompanying signals, 71
Accompanying signals automatic control, 72
Controlling accompanying signals, 71
RS 232C accompanying signals
Controlling, 163
RS 232C interface, 221
RS 232C interface signals, 25
S
Scope of the manual, 3
SEND frame, 50
Sending data
3964(R) procedure, 40
ASCII driver, 62
RK 512, 53
Setting/resetting Interface outputs of the CP 341, 163
Software components, 23
Special features
For sending message frames, 184
Standard connecting cable, 22
Start bit, 82, 89
Start-up behavior, 177, 182
STATUS outputs of the FBs, 185
Stop bits, 82, 89
System functions used, 179
T
Technical specifications
3964(R) procedure, 215
ASCII driver, 216
Printer driver, 217
RK 512 computer link, 216
X27 (RS 422/485) interface, 215
Technical specifications
20-mA-TTY interface, 214
RS 232C interface, 214
Technical specifications of the CP 341, 213
Transmission attempts, 81
Transmission integrity, 35
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Index
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