Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual - Manual (Page 28)

Installation
26
3.5.3.1 2-electrode (3400 and 810x series) sensor wiring
1. Install jumpers between terminals 1-2, 3-4 and 4-5 (see
Figure 6 ).
2. Use Table 3 to wire the sensor to the transmitter.
Figure 6 si792 transmitter wiring for 2-electrode sensor
1 Jumpers between 1–2, 3–4, 4–5 2 Wiring terminals—see Table 3
Table 3 Terminal assignments—2-electrode sensor
Terminal Assignment
Hach 3400
series color
831x series
color
2 Inner electrode, Sense black white/yellow
3 Outer electrode, Drive red red
5
Cable shield connections
Note: Do not connect to earth ground.
clear white/orange
7 RTD (resistive temperature device) blue blue
8 RTD (resistive temperature device) white black