Hach-Lange SI792 D, SI792x D, SI792x D-FF, SI792x D-PA User Manual - Manual (Page 3)

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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) D transmitters ....... 14
2.2.2.2 Audit trail for si792(x) D transmitters.......................... 14
Section 3 Installation
.............................................................. 15
3.1 Hazardous location................................................................... 16
3.2 Unpacking the transmitter ........................................................ 16
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) D (4–20 mA/HART) wiring............................ 24
3.5.2.2 si792x D-FF and si792x D-PA wiring ......................... 25
3.5.3 Sensor wire connection..................................................... 25
3.5.3.1 Oxygold G/Oxyferm sensor—si792(x) D (4–20 mA/
HART) ................................................................................. 26
3.5.3.2 Oxygold G/Oxyferm sensor—si792x D-FF or si792x D-
PA ....................................................................................... 27
3.5.3.3 Oxysens sensor—si792(x) D (4–20 mA/HART)......... 28
3.5.3.4 Oxysens sensor—si792x D-FF and si792x D-PA ...... 29
3.6 HART communication connection ............................................ 30