APG MNU IS Series, Руководство пользователя

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Introduction
Thank you for purchasing a Series MNU IS Intrinsically Safe Modbus Ultrasonic Sensor from APG. We
appreciate your business! Please take a few minutes to familiarize yourself with your MNU IS and this
manual.
MNU IS ultrasonic sensors are rugged, low-power units, rated Intrinsically Safe for hazardous location
installations. They feature APG’s new QuickStart Mode for power-saving, on-demand measurements and
optional Gas Discharge Tube surge protection. All MNU IS sensors are fully programmable via RS-485
Modbus communications, and with APG Modbus software and an RS-485-to-USB converter.
Reading your label
Every APG instrument comes with a label that includes the instrument’s model number, part number, serial
number, and a wiring pinout table. Please ensure that the part number and pinout table on your label
match your order.

IMPORTANT : Your MNU IS sensor MUST be installed according to drawing 9005002
(Hazardous Installation Drawing) located at the back of the manual to meet listed approv-
als. Faulty installation will invalidate all safety approvals and ratings.
Certifications
Class I Division 1, Groups C& D, T4
Class I, Zone 0, AEx ia IIB T4 Ga
Ex ia IIB T4 Ga
IECEx SIR 18.0048X
Ex ia IIB T4 Ga
0344 Ta: -30°C to 60°C
SIR 18ATEX2193X
II 1G Ex ia IIB T4 Ga
Ta: -30°C to 60°C
US C
237484
Table of Contents
Chapter 6: Hazardous Installation Drawing and Certification .........................31
Hazardous Installation Drawing ................................................................................................. 31
CSA Certificate of Compliance .............................................................................................. 32-35
EC Declaration of Conformity .....................................................................................................36
IECEX Certificate of Conformity ........................................................................................... 37-39
Appendix ..................................................................................................................... 40
Appendix A: MNU IS Default Holding Register Values ......................................................... 40
Appendix B: MNU IS Barrier Notes ............................................................................................ 41