AVG Series User Manual
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EXTERNAL CONTROL
RS232 Connection and Port Configuration
Connect your control system or PC to the RS232 input of the display via a 9-pin, straight through connector
cable. Configure the RS232 controller or PC serial port as follows: no parity, 8 data bits, 1 stop bit and no flow
control. Set the baud rate to 115200, to match that of the display RS232 port.
TCP/IP Control Configuration
Connect your network, control system, or PC to the display's
Ethernet In
or
Ethernet Out
port via a CAT5
cable. The display must be connected to the network and must have a valid IP address. Configure your
control system to run through
Telnet (Port 23)
.
Command and Response Format
Any commands sent from an automation/control system or PC to an Avocor display must have the following
format
(ASCII is not accepted/used
)
:
[STX] [IDT] [TYPE] [CMD] [VALUE]/[REPLY] [ETX]
•
[STX] indicates the start of the command data (always 07).
•
[IDT] is the display ID (always 01).
•
[TYPE] is the command type:
•
00 = return to host (response from the LCD panel)
•
01 = read / action
•
02 = write
•
[VALUE] is the parameter setting for the command.
•
[REPLY] is the parameter setting for the command, acknowledged by the display in its response to a
command.
•
[ETX] indicates the end of the command data (always 08).
Summary of Contents for AVG Series
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