2110XP Ammonia Analyzer User Guide (1574 Kb) - Thermo Scientific
2110XP Ammonia Analyzer User Guide (1574 Kb) - Thermo Scientific
2110XP Ammonia Analyzer User Guide (1574 Kb) - Thermo Scientific
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Instrument Preparation<br />
Terminal<br />
Assignments<br />
Figure II-6<br />
Terminal Assignments<br />
Alarms / Relays Analog Outputs Temperature ISE<br />
1 Relay 1<br />
(normally open)<br />
2 Relay 1<br />
(normally open)<br />
3 Relay 2<br />
(normally open)<br />
4 Relay 2<br />
(normally open)<br />
5 Relay 3<br />
(normally closed)<br />
6 Relay 3<br />
(normally closed)<br />
7 Air pump<br />
9 Sout (mA)<br />
<strong>Ammonia</strong> Signal<br />
18 ATC 21-<br />
22<br />
Not Used<br />
10 GND<br />
19 ATC 23 Electrode<br />
Common Ground * Shield **<br />
11 Tout (mA)<br />
Temp. Signal<br />
12-<br />
17<br />
20 Solution<br />
Ground<br />
24 Reference<br />
Electrode<br />
Not Used 25 Not Used<br />
26 <strong>Ammonia</strong><br />
Electrode<br />
8 Air pump<br />
Key Electrical Notes for the Orion <strong>2110XP</strong>:<br />
• Fluid ground is provided through the Orion ATC Probe (30 kΩ),<br />
Cat. No. 2100TP. Only an Orion ATC probe can be used to provide<br />
the fluid ground.<br />
• Do not connect to any of the unused terminals: 12-17, 21-22 and 25.<br />
* Terminal 9 & 11 are not isolated from each other. They share terminal 10 as a<br />
common ground.<br />
** Do not attach external ground shield connections to terminal 23<br />
<strong>Thermo</strong> <strong>Scientific</strong> Orion <strong>2110XP</strong> <strong>Ammonia</strong> Monitor <strong>User</strong> <strong>Guide</strong><br />
II-8
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