Hach-Lange SI792(x) E HACH GLI 3700 series SI792(x) T 7MA2200 and 8398 series User Manual - Manual (Page 29)

Installation
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3.5.3.2 7MA2200 series sensor wiring—si792(x) T
1. Install the jumper between terminal 2 and 3 as shown in
Figure 7 .
2. Use Table 4 to wire the sensor to the transmitter.
Figure 7 si792(x) T wiring for 7MA2200 series sensors
1 Jumper between terminal 2 and 3 2 Wiring terminals—see Table 4
Table 4 Terminal assignments—7MA2200 series sensors
Terminal No. Assignment Wire color
1 Receive hi green
2 Receive lo yellow
3 Send lo white
4 Send hi brown
5
Cable shield connection
Note: Do not connect to earth ground.
violet/black
7 RTD (resistive temperature device) black/grey
8 RTD (resistive temperature device) red/pink