Trace Oxygen Analyzer Introduction
Teledyne Analytical Instruments 5
1.7 Rear Panel (Equipment Interface) The rear panel, shown in Figure 1-2, contains the gas and electrical
connectors for external inlets and outlets. Those that are optional are
shown shaded in the figure. The connectors are described briefly here
and in detail in the Installation chapter of this manual.
Figure 1-2: Model 3000 TA Rear Panel
Power Connection Universal AC power source.
Gas Inlet and Outlet One inlet (must be externally valved)
and one exhaust out. Three inlet when “C” option ordered.
RS-232 Port Serial digital concentration signal output and
control input.
Remote Valves Used in the 3000TA for controlling external
solenoid valves only.
50-Pin Equipment Interface Port:
Analog Outputs 0–1 VDC concentration plus 0-1 VDC
range ID, and isolated 4–20 mA DC plus 4-20 mA DC
range ID.
Alarm Connections 2 concentration alarms and 1 system
alarm.