
Chapter 6 Deployment PtP communication
Manual VIPA System 300S SPEED7
6-10
HB140E - CPU SC - RE_313-6CF03 - Rev. 07/45
At ASCII protocol, this parameter is ignored.
At STX/ETX, 3964R, USS and Modbus you fix here a DB that contains the
communication parameters and has the following structure for the
according protocols:
Data block at STX/ETX
DBB0: STX1
BYTE (1. Start-ID in hexadecimal)
DBB1: STX2
BYTE (2. Start-ID in hexadecimal)
DBB2: ETX1
BYTE (1. End-ID in hexadecimal)
DBB3: ETX2
BYTE (2. End-ID in hexadecimal)
DBW4: TIMEOUT
WORD (max. delay time between 2 telegrams)
Note!
The start res. end sign should always be a value <20, otherwise the sign is
ignored!
Data block at 3964R
DBB0: Prio
BYTE (The priority of both partners must be
different)
DBB1: ConnAttmptNr BYTE (Number of connection trials)
DBB2: SendAttmptNr BYTE (Number of telegram retries)
DBW4: CharTimeout WORD (Character delay time)
DBW6: ConfTimeout WORD (Acknowledgement delay time)
Data block at USS
DBW0: Timeout
WORD (Delay time in)
Data block at Modbus-Master
DBW0: Timeout
WORD (Respond delay time)
Velocity of data transfer in Bit/s (Baud).
04h: 1200Baud 05h: 1800Baud 06h: 2400Baud
07h: 4800Baud
08h: 7200Baud 09h: 9600Baud 0Ah: 14400Baud 0Bh: 19200Baud
0Ch: 38400Baud 0Dh: 57600Baud 0Eh: 115200Baud
Number of data bits where a character is mapped to.
0: 5Bit
1: 6Bit
2: 7Bit
3: 8Bit
Parameter (as DB)
Baud rate
CharLen
Содержание 313-6CF03
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