Analyzer Preparation
II-8
Thermo Scientific Orion 2117HL High Level Chloride Analyzer User Guide
Terminal Layout
Terminal Layout
Terminal Layout Terminal Layout
1
Sout (mA)
sensing signal
9
Relay 1
26
Sensing
electrode
28
Do not connect
2
GND
common ground
10
Relay 1
27
Do not
connect
29
Do not connect
3
Tout (mA)
temp. signal
11
Relay 2
30
Preamp power
4
Air pump
(ISE only)
12
Relay 2
31
Preamp ground
5
Air pump
(ISE only)
13
Relay 3
32
Shield
6
Shield ground
for conductivity
14
Relay 3
33
Shield
7
Do not connect
15
Do not connect
34
Jumper to pin 26
when using preamp
8
Do not connect
16
Temperature ground
17
Temperature drive
18
Temperature sense
19
Solution ground
20
Conductivity drive +
21
Conductivity sense +
22
Conductivity sense -
23
Conductivity drive -
24
Reference electrode
25
Jumper to pin 24
when using preamp
Terminal
Assignments
27
26
2
1
4
3
6
5
8
7
29
28
31
30
33
32
34
10
9
12
11
14
13
16
18
17
20
19
22
21
24
23
25
15
Figure II-6
Terminal Assignments