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GB 03437 - Edition 03 - November 09
A Commissioning
B Product
description
C Settings
D Test
mode
E RS232
mode
F Appendices
RS232 interface
Location of the RS232
interface
Symbols used
The RS232 interface is used to operate the controller from a computer
via an RS232 cable link (see appendix 4)
Introduction
The male sub-D 9 pin connector is located on the rear panel of the
controller (see chapter B “Overview of single channel controller”).
The following symbols are used in this chapter:
< > Definition
[ ] Option
Configuration of
RS232 protocol
See the “General settings for the ACS 2000 controller” paragraph
in the “Configuration” chapter. Data is transmitted in the following
format:
- 9600 bauds
- 8 data bits
- 1 stop bit
- no parity bit.
Transmission syntax
The order
The transmission syntax is as follows:
End of message
characters (CR:
Carriage Return)
Control
characters
(Start of text
always $)
Used when parameters are required, see
“Detailed description of RS232 commands:
Syntax of commands for setting parameters”,
pages 4 to 7.
<STX> <COMMAND> [,PARAMETER1] … [, PARAMETERn] <EOM>
Reply
<STX> <DATA> <EOM> [LF]
Added if configured at the
controller). Carriage return with
line feed (LF)
Data, see “Detailed
description of RS232
commands: Queries”,
pages 4 to 7.