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Using Mode 11
When other modes are used, the start of data transmission and reception
can be delayed up to 8ms. When mode 11 is used, the data bypasses the
internal software FIFO, buffer which reduces the delays in the system.
Parameter #17.07 is used to program the baud rate.
Using modes 13 and 14
The Modbus protocol is only supported as a slave. Modes 13 and 14 do not
allow the UD70 to act as a Modbus Master. The baud rate is selected using
parameter #17.07.
6.5
ANSI instructions
The following
ANSIREAD
ANSIREPLY
ANSIWRITE
GETCHAR
PUTCHAR
Refer to Chapter 7 Reference for information about these commands.
UD70
Issue code: 70nu2
instructions are available:
RS485 ANSI
Issue a Read command to a remote unit
Read a reply from a remote unit
Issue a Write command to a remote unit
Receive a single character directly
Transmit a single character directly
Serial communications
6-15
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