Ametek 5920 UHP User Manual page 4

Analyzer Installation ..............................................................................................................................2-7
User-Supplied Items ......................................................................................................................2-8
Interconnect Wiring ............................................................................................................... 2-8
External Sample Tubing ....................................................................................................... 2-8
Rear Panel Connections and User Interface Board .............................................................2-9
Gas Connections .......................................................................................................................... 2-10
Electrical Connections ............................................................................................................... 2-11
Voltage Selection .................................................................................................................2-11
Power Installation ................................................................................................................2-12
Communication Connections ...........................................................................................2-14
Class I, Division 2 Electrical Connections (Alternative) - Hardwire ..........................2-15
RS-485 Communications ...................................................................................................2-16
Signal Connections (4-20 mA) .........................................................................................2-17
Analyzer Setup ...................................................................................................................................... 2-18
Overview of the Keypad ............................................................................................................ 2-18
Function Keys ........................................................................................................................2-18
Overview of Display.............................................................................................................2-20
Initial Start-Up ....................................................................................................................................... 2-21
Dry Down Period ..................................................................................................................2-21
Procedure for Speeding Up the Dry Down Period ........................................................2-22
Performing an Initial Zero ......................................................................................................... 2-23
Configuring the 5920 Analyzer for Serial Communications ................................................. 2-24
Protocol ........................................................................................................................................... 2-24
Special Addresses ........................................................................................................................ 2-26
Address $F0 ...........................................................................................................................2-26
Defined Commands (Master to Slave) .................................................................................. 2-26
Echo (A) ...................................................................................................................................2-26
Bad Command (B) ...............................................................................................................2-27
Acknowledge (C) ..................................................................................................................2-27
Read Data (F) ........................................................................................................................2-27
Write Data (H) .......................................................................................................................2-27
Write Cell EEPROM (L) .........................................................................................................2-28
Quit (Q) ...................................................................................................................................2-28
Zero (Z) ...................................................................................................................................2-28
Defined Responses (Slave to Master) ................................................................................... 2-28
Simple Acknowledge ...........................................................................................................2-28
Acknowledge with Data .....................................................................................................2-29
Failure .....................................................................................................................................2-29
Variables Table ...................................................................................................................................... 2-30
CONTROLLER/INTERFACE ....................................................................................................3-1
Working From the Built-in User Interface ......................................................................................3-1
Zero Key .............................................................................................................................................3-3
Alarm Key ...........................................................................................................................................3-4
Range Key ..........................................................................................................................................3-5
iv | 5920 UHP Moisture Analyzer
PN 592047901 Rev YC