Siemens UM344-2 사용자 설명서

 

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A.0  APPENDIX A - FUNCTION BLOCK DESCRIPTIONS...................................................A-1 
 
B.0  APPENDIX B - HAZARDOUS AREA INSTALLATION.................................................. B-1 
WARRANTY .............................................................................................................................. W-1 
 
PARTS LIST 
 

 

 
FIGURE AND TITLE 

PAGE 

 
1-1  Basic Model 344 .......................................................................................................................1-2 
1-2  Terminal Connections ................................................................................................................1-3 
 
2-1  Moore XTC Communicator (MXC)............................................................................................2-2 
2-2  Major MXC Menu Screens........................................................................................................2-2 
2-3  Parameter Map, MXC/Model 344 ..............................................................................................2-9 
 
3-1  Bench Test Connections ............................................................................................................3-2 
3-2  Typical Field Test Connections...................................................................................................3-2 
 
4-1  Point-To-Point Network (Analog Mode).....................................................................................4-5 
4-2  Model 352 SLDC and Model 344 Connections (Analog Mode).....................................................4-6 
4-3  Multi-Drop Network (Digital Mode) ...........................................................................................4-7 
4-4  Supply Voltage versus Network Resistance ................................................................................4-8 
4-5  Dimensions, Mounting Bracket for Model 344........................................................................... 4-17 
4-6  Model 344 Mounting Configurations with Supplied Bracket........................................................ 4-18 
4-7  Transmitter -To-Process Mounting........................................................................................... 4-21 
4-8  Sensor Assembly .................................................................................................................... 4-22 
4-9  Digital Meter Orientation and Mounting Hardware .................................................................... 4-24 
4-10  Digital Meter Repositioning and Removal................................................................................ 4-25 
4-11  Conduit Drain and Explosion Proof Installations ....................................................................... 4-27 
4-12  Signal (Loop), Sensor, MXC and Test Terminals ..................................................................... 4-30 
4-13  Model 344 Sensor Wiring....................................................................................................... 4-31 
 
5-1  Model 344 Digital Meter.......................................................................................................... 4-32 
 
6-1  Bench Calibration Connections...................................................................................................6-4 
6-2  Field Calibration Connections .....................................................................................................6-4 
6-3  RTD/Ohm Current Source Calibration Set Up.............................................................................6-8 
6-4  TC/mV Input Accuracy Check and Calibration Set Up................................................................6-9 
 
7-1  Model 344 Electronics Module Block Diagram............................................................................7-2 
 
8-1  Typical TC and RTD Thermowell Assemblies without Heads ......................................................8-3 
8-2  Typical TC or RTD Thermowell Assembly with a Head..............................................................8-3 
8-3  Model 344 Dimensions ..............................................................................................................8-6