
iv | 5920 UHP Moisture Analyzer
Voltage selection ......................................................................................3-9
Power installation .................................................................................3-10
Communication Connections (Figure 3-8) ............................................3-11
RS-485 communications .......................................................................3-12
Signal Connections (4-to-20 mA ) ...........................................................3-13
Analyzer Set-Up.........................................................................................3-14
Overview of keypad ...............................................................................3-14
Function keys..................................................................................3-14
Overview of display...............................................................................3-15
Initial Start-Up............................................................................................3-16
Dry down period ..................................................................................3-16
Procedure for speeding up the dry down period....................................3-17
Performing an Initial Zero........................................................................3-17
CHAPTER 4 User Interface
Menu Map...........................................................................................................4-2
Zero Key...............................................................................................................4-3
Hold Outputs ...............................................................................................4-3
Adjust Offset.................................................................................................4-3
Start Zero ......................................................................................................4-3
Quit Zero.......................................................................................................4-3
Alarm Key............................................................................................................4-4
Range Key............................................................................................................4-5
Config Key...........................................................................................................4-6
Display...........................................................................................................4-6
Communication ...........................................................................................4-6
Sample Gas ...................................................................................................4-7
Clock ..............................................................................................................4-7
Zero Schedule ..............................................................................................4-8
System Test ..........................................................................................................4-9
CHAPTER 5 Serial Communications
Protocol ................................................................................................................5-1
Special Addresses.........................................................................................5-3
Address $F0.............................................................................................5-3
Defined Commands (master to slave)......................................................5-3
Echo (A)...................................................................................................5-4
Bad Command (B) ...................................................................................5-4
Acknowledge (C ).....................................................................................5-4
Read Data (F) ..........................................................................................5-4
Write Data (H) ........................................................................................5-5
Write Cell EEPROM (L).........................................................................5-5
Quit (Q) ..................................................................................................5-5
Zero (Z) ...................................................................................................5-5
Defined Responses (slave to master)........................................................5-6
Simple Acknowledge................................................................................5-6