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Siemens Simatic S7-300 CP 341 - Technical specifications for RK 512 computer link; Technical specifications for the ASCII driver

Siemens Simatic S7-300 CP 341
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Technical Specifications
A.1 Technical Specifications of the CP 341
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
216 Manual, 09/2008, A5E02191071-01
Technical specifications for RK 512 computer link
The table below shows the technical specifications for the RK 512 computer link.
Table A- 6 Technical specifications of the RK 512 computer link
RK 512 computer link
Max. message frame
length
4096 bytes
Parameters The following can be assigned:
Transmission rate: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, 76800, 115200 bps
Character frame: 10, 11, or 12 bits
Character delay time: 20 ms to 655350 ms in 10 ms grid
Acknowledgment delay time: 20 ms to 655350 ms in 10 ms grid
Number of connection retries: 1 to 255
Number of transmission retries: 1 to 255
Receive line initial state: none, R(A)5V/R(B)0V, R(A)0V/R(B)5V
Technical specifications for the ASCII driver
The table below shows the technical specifications for the ASCII driver.
Table A- 7 Technical specifications for the ASCII driver
ASCII driver
Max. message frame
length
4096 bytes
Parameters The following can be assigned:
Transmission rate: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, 76800, 115200 bps
Character frame: 9, 10, 11, or 12 bits
Character delay time: 2 ms to 65535 ms in 1 ms increments
Flow control: none, XON/XOFF, RTS/CTS; automat. control of V.24
signals
XON/XOFF character (only when "flow control" = "XON/XOFF")
Wait for XON after XOFF (wait time for CTS = ON): 20 ms to
655350 ms in 10 ms increments
Clear RTS time: 0 ms to 655350 ms in 10 ms increments (only for
"automat. control of V.24 signals")
Data output wait time: 0 ms to 655350 ms in 10 ms increments (only
for "automat. control of V.24 signals")
Number of message frames to be buffered: 1 to 250
Prevent overwriting: yes/no (only when "buffered received frames" =
"1")
Indicator for end of received message frame:
After expiration of the character delay time
After receipt of end-of-text character(s)
After receipt of a fixed number of characters
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