Kindermann TD-10552-S Bedienungsanleitung Seite 45

10. RS232 /IP control commands
10.1 Introductory remarks
This section describes the hardware specifi cation and software protocols of the RS232 and LAN interface communication
between the Kindermann display and a connected PC or other ECU with RS232 and LAN protocol.
In the following, all control units that can send or receive commands via RS232 & LAN protocol are referred to as „PC".
10.2 Description
10.2.1 Hardware specifi cation
The RS232 communication port is located on the back of the display.
Connector type and
pin assignment:
D-Sub 9-pole, male
(connection on display)
A crossover cable (null modem) must be used as connecting cable between PC and display
(pins 2 and 3 are crossed).
10.2.2 Settings of the serial interface:
Positions
Baud rate
Data bits
Stop bits
Parity
Data stream control
The display uses port 4660 for commands via LAN.
10.3 Protocol
10.3.1 General information
The RS232 and LAN commands are identical.
10.3.2 Protocol description
10.3.2.1 Command format
Head Every command always begins with „k" for Kindermann
The default value is „01"
Display ID The ID „99" means that the command is sent to all connected displays
In this case, only the display with ID „01" answer
There are two types of commands for sending a command:
• Set command: „s
• Get command: „g"
Command type
The display always returns one of the following answers to a command:
• Valid set command: „y
• Valid get command: „r"
• Invalid set or get command: „n"
Command The function command
Value
Three bytes defi ne the value
End Each command is terminated with „CR"
Pin Signal
1 NC
2 TXD
3 RXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
shell GND
Value
38400 bps (solid)
8 (solid)
1 (solid)
non (solid)
non (solid)
to send a command
to receive a command
10.2.3 Network settings
We recommend to use wired (LAN) connection with static
IP settings, please check 7.3.1.2, page 36 for details.
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