Siemens UM344-2 사용자 설명서
CONTENTS
UM344-2
SECTION AND TITLE
PAGE
September 1995
ii
4.3.6 Network Junctions .................................................................................................... 4-11
4.3.7 Safety Barriers......................................................................................................... 4-12
4.3.8 Connection of Miscellaneous Hardware ..................................................................... 4-12
4.3.9 Determine Sensor Cable Requirements............................... ....................................... 4-13
4.3.10 2-Wire RTD Accuracy Limitations .......................................................................... 4-14
4.3.11 Shielding and Grounding .......................................................................................... 4-15
4.4 MECHANICAL INSTALLATION .................................................................................. 4-16
4.4.1 Pipe Mounting .......................................................................................................... 4-16
4.4.2 Flat Surface Mounting............................................................................................... 4-19
4.4.3 Direct Mounting to Process....................................................................................... 4-20
4.4.4 Local Digital Display Installation, Repositioning and Removal...................................... 4-23
4.4.5 Electrical Conduit and Cable Installation..................................................................... 4-26
4.4.5.1 Conduit ........................................................................................................... 4-26
4.4.5.2 Cables............................................................................................................. 4-28
4.4.5.3 Access to Transmitter Terminal Compartment................................................... 4-28
4.5 ELECTRICAL INSTALLATION ..................................................................................... 4-29
4.6 HAZARDOUS AREA INSTALLATION ......................................................................... 4-33
5.0 ON-LINE AND OFF-LINE OPERATION ...........................................................................5-1
5.1 ON-LINE OPERATION ....................................................................................................5-1
5.1.1 Using the MXC for Configuration ................................................................................5-1
5.1.1.1 Sensor Input Block.............................................................................................5-3
5.1.1.2 Operator Display Block......................................................................................5-5
5.1.1.3 Transmitter ID Block.........................................................................................5-6
5.1.1.4 Output Block.....................................................................................................5-7
5.1.1.5 Alarm Block......................................................................................................5-7
5.1.1.6 Setpoint Track and Hold Block ...........................................................................5-8
5.1.1.7 A/M Transfer Block ..........................................................................................5-8
5.1.1.8 Controller Block.................................................................................................5-9
5.1.1.9 End or Review Configuration..............................................................................5-9
5.1.2 Downloading A Configuration.................................................................................... 5-10
5.1.3 Local Transmitter Operation...................................................................................... 5-11
5.1.3.1 Display Functions............................................................................................. 5-12
5.1.3.2 Local Pushbutton Input Ranging........................................................................ 5-13
5.1.3.3 Local Pushbutton Damping Adjustment ............................................................. 5-15
5.1.3.4 Local Pushbutton AUTO/MANUAL, SETPOINT and VALVE Adjustments ..... 5-16
5.1.4 Quick Access Key Operation.................................................................................... 5-19
5.2 OFF-LINE OPERATION ................................................................................................. 5-22
5.2.1 Using Off-Line Operations to Access an Archive ....................................................... 5-22
5.2.2 Using an Archive in On-Line Memory ....................................................................... 5-24
6.0 CALIBRATION AND MAINTENANCE.............................................................................6-1
6.1 CALIBRATION.................................................................................................................6-1
6.1.1 Equipment Required....................................................................................................6-2
6.1.2 Transmitter Analog Output Calibration .........................................................................6-2
6.1.2.1 Transmitter Normally Configured for Analog Mode..............................................6-2
6.1.2.2 Transmitter Normally Configured for Digital Mode...............................................6-5