Hach si792 T, User Manual

Page: 26 / 116

Installation
24
3.5.2.1 si792(x) E/T (4-20 mA/HART) wiring
DANGER
Explosion hazard. Never connect items to the transmitter that are
not specified on the control drawing/ATEX EC-Type certificate.
Refer to Figure 4 and Table 1 to connect the power supply to the
si792(x) E/T transmitter.
Figure 4 si792(x) E/T (4–20 mA/HART) wiring
1 HART connection (see warnings in
section 3.6 on page 29 )
2 Wiring terminals—see Table 1
Table 1 Terminal assignments—si792(x) E/T (4–20 mA/HART)
Terminal No. Assignment
9 Potential equalization—ATEX only (Do not use for FM or CSA)
10 4–20 mA output (–)
11 4–20 mA output (+)