Wiring Connections For Pat700 With Quick-Connect Fittings - Hach ANATEL PAT700 Operator's Manual

PAT700 Total Organic Carbon Analyzer – Installation
• Discrete output 3 reports a warning or failure condition. A low state indicates an error
• Discrete output 4 reports a TOC analysis start (by indicating the state of the sample
J22
Table 2-5 connector block: Discrete output wiring terminal designations
J22 Block Terminal
1
2
3
4
5
6
7
8
2.5

Wiring connections for PAT700 with quick-connect fittings

Refer to this section if the PAT700 has five quick-connect fittings, as illustrated in
• One connector accommodates power supply wiring.
• The other four connectors accommodate 4-20 mA or discrete I/O wiring.
• The analyzer comes with factory-supplied mating connectors and a plug-in cord for
Anatel
condition exists. A high state indicates no error conditions exist.
inlet valve). A low state indicates the sample valve is closed. A high state indicates the
sample valve is open.
Description
Digital output 1 (+)
Digital output 2 (+)
Common return for discrete outputs 1 and 2 (–)
Digital output 3 (+)
Digital output 4 (+)
Common return for discrete outputs 3 and 4 (–)
• 12 VDC power supply +
• Connect only if input device requires power supply
• 12 VDC power supply –
• Connect only if input device requires power supply
power supply wiring.
Variable
TOC alarm
Uncompensated
conductivity alarm
TOC alarm,
uncompensated
conductivity alarm
Warning or failure
TOC analysis start
Warning or failure,
TOC analysis start
Input power supply
Input power supply
Operator Manual
Page 21
Designation
DO1+
DO2+
DO1/2–
DO3+
DO4+
DO3/4–
+12V
GND
Figure 2-10.