Hach ANATEL PAT700 User Manual - page 31
Page 29
Installation
2.6.1 Power supply wiring
WARNING
Potential property damage or electrical shock! Adhere to ground network
requirements for the facility.
WARNING
After power supply wiring has been installed, make sure the field wiring box cover
is in place and the screw is tightened with a screwdriver to ensure that the cover is
properly bonded to protective earth.
lists specifications for the power supply.
2.6.2 I/O wiring
The analyzer has three 4-20 mA outputs, two discrete inputs, and four discrete outputs.
4-20 mA outputs
The analyzer has three 4-20 mA outputs, as listed in
.
•
Analog output 1 represents TOC (total organic carbon).
•
Analog output 2 represents conductivity or resistivity (user selected).
•
Analog output 3 represents temperature in °F or °C (user selected).
Table 6 Power supply specifications
Description
Specification
Voltage input
100 to 230 VAC universal
Frequency
50 to 60 Hz
Power
65 W maximum, fused at 1.25 A
Table 7 4-20 mA output wiring terminal designations
Wiring
connector
Terminal
Description
Variable
Designation
1
4-20 mA source output for analog output 1 (+)
TOC
AO1+
2
4-20 mA sink output for analog output 1 (–)
TOC
AO1–
3
4-20 mA source output for analog output 2 (+)
Conductivity or resistivity
AO2+
4
4-20 mA sink output for analog output 2 (–)
Conductivity or resistivity
AO2–
5
4-20 mA source output for analog output 3 (+)
Temperature
AO3+
6
4-20 mA sink output for analog output 3 (–)
Temperature
AO3–