Teledyne 2000RS Operating Instructions Manual page 78

TCD Analyzer
 "Connected" if the 2000RS board is connected to the external
Profibus master PLC.

"No Connection" if the 2000RS board Profibus
communication has failed to communicate with the external
with Profibus Master PLC.
4.5.10.1 P
ROFIBUS
The Profibus task will receive remote commands from a master PLC.
These are the System module input registers:
Address Byte Location
0x00
The System output module registers are organized like this:
Group Address
0x00
Gas
0x01
Concentration
Value
0x02
(0x00 - 0x03)
0x03
0x04
0x05
Reserved
(0x04 - 0x07)
0x06
0x07
Teledyne Analytical Instruments
T
ASK
Variable
Analyzer
0x00
Command
Bit
Variable
Number
concentration
(LSB)
concentration
(MSB)
Reserved
Operation
Variable
description
0x01 - Analyze
0x08 - Span
0x10 - Zero
0x20 - ESC
Variable description
Gas
Current gas
concentration values
updated.
Gas
Reserved
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