Hach PAT700 Manuel D'utilisation De Base page 12

Connector Terminal Description
1
2
3
4
5
6
7
8
Connect the discrete inputs
Table 3 shows the discrete input designations for the quick-connect connector.
Connector Terminal Description
1
2
3
1
4
5
1
Connect terminals 4 and 5 only if the input device requires a power supply.
Connect the discrete outputs
The terminal designations for the discrete output quick connections are shown in
Table 5. The terminal designations for the discrete output connector block is shown in
12 English
Table 2 4–20 mA terminal designations
4–20 mA source output for analog output
1 (+)
4–20 mA sink output for analog output 1 (–)
4–20 mA source output for analog output
2 (+)
4–20 mA sink output for analog output 2 (–)
4–20 mA source output for analog output
3 (+)
4–20 mA sink output for analog output 3 (–)
Table 3 Discrete input designations
Common connection for external
source (+)
Digital input 1 (–)
Digital input 2 (–)
12 VDC power supply +
12 VDC power supply –
Variable
TOC
TOC
Conductivity or resistivity AO2+
Conductivity or resistivity AO2–
Temperature
Temperature
—
—
Variable
Common
Start a single TOC analysis
TOC or conductivity mode
selection
Output power supply
Output power supply
Designation
AO1+
AO1–
AO3+
AO3–
Designation
DI1/2+
DI1–
DI2–
+12 V
GND
Table 4 and
Table 6.