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Installation
2.5 Wiring connections for PAT700 with conduit openings
Refer to this section if the PAT700 has three 3/4-inch female NPT conduit openings.
• One opening accommodates power supply wiring.
• The other two openings accommodate 4-20 mA and/or discrete I/O wiring.
• Power supply and I/O wiring connects to terminals in the compartment behind the
analyzer’s display unit. Figure 10 illustrates power supply and I/O wiring terminals. To
access the terminals:
1. Use a 5/16-inch Allen wrench to unlatch the door that contains the display.
2. Unlatch the door and swing it open on its hinges.
Figure 9 Using Allen wrench to access wiring connections
Figure 10 PAT700 power supply and I/O wiring terminals
Power supply wiring compartment
(terminals are behind door)
4-20 mA output wiring terminals
(connector block J17)
Discrete input wiring terminals
(connector block J24)
Discrete output wiring terminals
(connector block J22)
I/O circuit board
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