Hach si792 T, User Manual

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1
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) ................. 14
2.2.2.1 Electronic signatures for si792(x) E/T transmitters .... 14
2.2.2.2 Audit trail for si792(x) E/T transmitters....................... 14
Section 3 Installation
.............................................................. 15
3.1 Hazardous location installation................................................. 16
3.1.1 ATEX safety information ................................................... 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) E/T (4-20 mA/HART) wiring.......................... 24
3.5.2.2 si792x E/T-FF and si792x E/T-PA wiring ................... 25
3.5.3 Sensor wire connections ................................................... 25
3.5.3.1 Hach GLI 3700 series sensor wiring—si792(x) E ...... 26
3.5.3.2 7MA2200 series sensor wiring—si792(x) T ............... 27
3.5.3.3 8398 series sensor wiring—si792(x) T....................... 28
3.6 HART communication connection ............................................ 29