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Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual User Manual

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Table of Contents

Section 1 Specifications

......................................................... 5

Section 2 General information

........................................... 11

2.1 Safety information .................................................................... 11

2.1.1 Use of hazard information ................................................. 11
2.1.2 Precautionary labels.......................................................... 11

2.2 General product information..................................................... 13

2.2.1 Product overview............................................................... 13
2.2.2 FDA 21 CFR part 11 compliance (HART only) ................. 13

2.2.2.1 Electronic signatures for si792(x) C transmitters ....... 14
2.2.2.2 Audit trail for si792(x) C transmitters.......................... 14

Section 3 Installation

.............................................................. 15

3.1 Hazardous location installation................................................. 16
3.2 Unpacking the transmitter ........................................................ 17
3.3 Mechanical installation ............................................................. 18

3.3.1 Transmitter assembly........................................................ 18
3.3.2 Mounting ........................................................................... 18

3.3.2.1 Wall mount ................................................................. 18
3.3.2.2 Panel or pipe mount (optional) ................................... 18

3.4 Wiring Safety Information ......................................................... 20
3.5 Electrical installation................................................................. 21

3.5.1 Wire preparation................................................................ 21
3.5.2 Power and communication connections............................ 23

3.5.2.1 si792(x) C (4-20 mA/HART) wiring............................. 24
3.5.2.2 si792x C-FF and si792x C-PA wiring ......................... 25

3.5.3 Sensor wire connections ................................................... 25

3.5.3.1 2-electrode (3400 and 810x series) sensor wiring ..... 26
3.5.3.2 4-electrode sensor wiring ........................................... 27

3.6 HART communication connection ............................................ 28

Section 4 Interface and navigation

.................................. 29

4.1 si792(x) C (4–20 mA/HART) interface...................................... 29
4.2 si792x C-FF and si792x C-PA interface ................................... 30