Rack Monitor 8800E/8801E
Document: Operation Manual
Date: 16-Jun-2011
Version: A.6
Page 26 of 35 H71343
X10
0
0
5
5
X1
Set above switches in a unique address to avoid collisions
Data communications.
The 8800E/8801E Rack Monitor can be set to emulate the 8500E data communication
In this way the 8800E/8801E is downwards compatible with the 8500E Rack Monitor.
To select this 8500E data communication set the grey (8) in the on position.
Every second a string will be send to e.g. the remote display.
At this moment no other protocols are supported.
Ask OPW Fluid transfer Group for latest development.
Civacon 8500 Protocol
Message Format:
STX
A1A2*
Command_Text
ETX
LRC
Where:
STX
= Start of Text
= 02 Hex
A1A2 = Address
= 01-99 Hex
Command Text = Character string including Command Code and associated parameters
ETX
= End of Text
= 03 Hex
LRC
= Longitudinal Redundancy Check
An underscore _ (5Fh) is used as a command Text delimiter
The LRC is a 7 bit ASCII character computed as the Exclusive OR sum of all characters following the STX and
including the ETX characters.
Currently the following commands are defined
OS
Overfill Status
VR
Vehicle Recognition data
KD
Bypass key Data
Currently the following commands are implemented
OS
Overfill Status