Teledyne API T802 Paramagnetic O2 Analyzer Operation Manual
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5.7. SETUP MORE COMM: COMMUNICATION PORTS
This section introduces the communications setup menu; Section 6 provides the
setup instructions and operation information. To arrive at the communications
menu, press SETUP>MORE>COMM.

5.7.1. ID (MACHINE IDENTIFICATION)

Each type of Teledyne API’s analyzer is configured with a default ID code. The
default ID code for the T802 analyzers is typically 802, but could also be “0”.
The ID number is only important if more than one analyzer is connected to the
same communications channel such as when several analyzers are:
on the same Ethernet LAN (Section 6.5.1)
in an RS-232 multidrop chain (Section 3.3.1.8)
when applying MODBUS protocol (Section 6.5.1).
when applying HESSEN protocol (Section 6.5.2)
If two analyzers of the same model type are used on one channel, the ID codes of
one or both of the instruments needs to be changed.
07275B DCN6418