Trace Oxygen Analyzer | Installation 3 | |
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Note: The remote probe connections (paragraph 3.3.9) provide signals to ensure that the zero and span gas valves will be controlled synchronously. If you have the
3.3.6 Range ID Relays
There are four dedicated RANGE ID CONTACT relays. The first three ranges are assigned to relays in ascending
3.3.7 Network I/O
A serial digital input/output for local network protocol. At this printing, this port is not yet functional. It is to be used in future versions of the instru- ment.
3.3.8 RS-232 Port
The digital signal output is a standard
Table
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| Purpose |
DCD | 1 | Data Carrier Detect |
RD | 2 | Received Data |
TD | 3 | Transmitted Data |
DTR | 4 | Data Terminal Ready |
COM | 5 | Common |
DSR | 6 | Data Set Ready |
RTS | 7 | Request to Send |
CTS | 8 | Clear to Send |
RI | 9 | Ring Indicator |
The data sent is status information, in digital form, updated every two seconds. Status is reported in the following order:
•The concentration in ppm or percent
Teledyne Analytical Instruments |