Emerson Process Management CFA-3000 User Manual

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10
CFA­3000 ISE Analyzer
Instruction Manual
Electrical connections are made to and from the cabinet at the input/output panel, located on the left side of the
analyzer. See Figure 2­5.
•    Terminals are provided for ground, power supply, high/low alarms, output signals, calibration and status
relays
•    Output signals ­ a voltage output of 0­5 Vdc and a floating, ungrounded current output of 4­20 mA are 
available for remote readout or control of a process. 
•     Also available are contact closures for the following:
High alarm
Calibration
Low Alarm
Leak Alarm
To make electrical connections, proceed as follows:
1.
Remove solid caps from the holes above the input/output panel by puncturing with an awl and prying   
them out. (Note: remove caps only from those holes that will be used.)
2.
Replace with permanent connectors.
3.
Connect alarms and external computer interfaces (if any).
4.
Feed 3­wire power cable into analyzer through hole above the input/output panel.
5.
Connect wires to appropriate contacts on Terminal Strip TB3.(See next page)
2.6     Prepare Electrical Connections
Use cable glands to hold cables securely in holes above input/output panel.
WARNING:
Connect output signals, if any before connecting the power supply.
CAUTION:
  For proper operation and for safety, electrical connections to this equipment must be 
made in accordance with local or national electrical code as applicable.
 This equipment must be grounded. A qualified electrician should wire this equipment to an
electrical circuit.