Teledyne 3020M - Explosion proof paramagnetic oxygen analyzer - Manual (Page 13)

1-7
Percent Paramagnetic Oxygen Analyzer Introduction 1
Teledyne Analytical Instruments
Electrical Connections: The electrical connections on the electrical
connector panel are described briefly here, and in more detail in chapter 3
Installation.
• Power Connection 100-240 VAC, 50 or 60 Hz.
• Analog Outputs 0-1 VDC concentration plus 0-1 V dc
range ID. Additional, isolated 4-20 mA
DC plus 4-20 mADC range ID
available.
• Alarm Connections 2 concentration alarms and 1 system
alarm.
• RS-232 Port Serial digital concentration signal output
and control input.
• Remote Valves Used for controlling external solenoid
valves, if desired.
• Remote Span/Zero Digital inputs allow external control of
analyzer calibration.
• Calibration Contact To notify external equipment that
instrument is being calibrated and
readings are not monitoring sample.
• Range ID Contacts Four separate, dedicated, range relay
contacts. Low, Medium, High, Cal.
• Network I/O Serial digital communications for local
network access. For future expansion.
Not implemented at this printing.
1.7.2 Gas Connector Panel
The gas connector panel, shown in Figure 1-3, contains the gas con-
nections 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.