Index - Siemens Simatic S7-300 CP 341 User Manual

Index

2
20mA-TTY interface, 25
20mA-TTY interface
Properties, 25
20-mA-TTY interface, 228
3
3964 (R)
Protocol, 80
3964(R) procedure
Handling erroneous data, 44
Initialization conflict, 45
Procedure errors, 46
Receiving data, 42
Sending data, 40
3964R procedure
Block Checksum, 39
A
Acknowledgment delay time, 81
Actual operand, 175
Absolute addressing, 175
Symbolic addressing, 176
Addressing the module, 177
ASCII driver, 62
Data flow control, 90
Receive buffer, 70
Receiving data, 64
Sending data, 62
B
Baud rate, 82, 89
Bidirectional data traffic
Drivers, 29
Modes of operation, 30
Block call
P_RCV_RK, 148, 152
P_SND_RK, 143, 156
V24_SET, 163
V24_STAT, 161
Block Checksum, 39
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01
www.gkbpx.com
Bus connector for the S7 backplane bus, 21
BUSY signal, 78
C
Calling the SFCERR variable, 199
Character delay time, 32, 81, 88
Character frame, 31, 82, 89
Code transparency, 64
Command message frame, 50
Communication via function blocks, 127
Connecting cables, 221
Connection attempts, 81
Continuation message frame, 50
Continuation SEND message frames, 55
CP 341 communications processor, 17
CPU RUN, 184
CPU START-UP, 184
CPU-STOP, 184
D
Data bits, 82, 89
Data block assignment, 170
Data flow control, 74, 78
ASCII driver, 90
Diagnostics
Diagnostic buffer, 201
Error numbers in the response message frame, 200
Disabling alarms, 177
Display elements (LEDs), 185
E
EN/ENO mechanism, 176
End criterion, 65
End-of-text character, 66
Expiration of the character delay time, 65
Fixed message frame length, 68
End-of-text character, 88
Event class, 187
Event number, 187
F
FB 13 P_PRINT_RK
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