Ametek 3050-AM - Page 4

iv | 3050 AM Moisture Analyzer
Communication Connections (Figure 3-9) ............................................3-13
RS-485 communications .......................................................................3-14
Signal Connections (4 to 20 mA ) ............................................................3-15
Overview of keypad ...............................................................................3-16
Function keys .........................................................................................3-16
Overview of display ...............................................................................3-17
Initial Start-Up ............................................................................................3-18
Dry-down period ..................................................................................3-18
Procedure for speeding up the dry down period ....................................3-19
Performing an Initial Zero ........................................................................3-19
Chapter 4 User Interface
Zero Key ...............................................................................................................4-3
Hold Outputs ...............................................................................................4-3
Adjust Offset .................................................................................................4-3
Zero ................................................................................................................ 4-3
Abort ..............................................................................................................4-3
Alarm Key ............................................................................................................4-4
Range Key ............................................................................................................4-5
Config Key ...........................................................................................................4-6
Display ...........................................................................................................4-6
Communication ...........................................................................................4-7
Sample Gas ...................................................................................................4-8
Custom gas ..............................................................................................4-8
Clock ..............................................................................................................4-9
Zero Schedule ............................................................................................4-10
System Test ........................................................................................................4-12
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
Acknowledge with Data...........................................................................5-6
Failure .....................................................................................................5-6
Chapter 6 Troubleshooting