Hach ANATEL PAT700 User Manual - page 24
Page 22
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.
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