Siemens 7MF4033 series User Manual page 5

Contents
4.1 EQUIPMENT DELIVERY AND HANDLING .....................................................................4-1
4.1.1 Receipt of Shipment ..................................................................................................4-1
4.1.2 Storage ......................................................................................................................4-1
4.2 ENVIRONMENTAL CONSIDERATIONS .........................................................................4-2
4.3 PRE-INSTALLATION CONSIDERATIONS AND CALCULATIONS .................................4-2
4.3.1 Mechanical ................................................................................................................4-2
4.3.2 Electrical ....................................................................................................................4-3
4.3.3 Impulse Piping for Absolute and Differential Models .................................................4-4
4.3.4 Transmitter Operating Mode and Network Type......................................................4-10
4.3.4.1 Analog Mode .....................................................................................................4-10
4.3.4.2 Digital Mode ......................................................................................................4-14
4.3.5 Power Supply Requirements ...................................................................................4-14
4.3.5.1 Point-to-Point Network ......................................................................................4-16
4.3.5.2 Multi-Drop Network ...........................................................................................4-17
4.3.6 Determining Network (Loop) Length........................................................................4-17
4.3.6.1 Cable Capacitance............................................................................................4-17
4.3.6.2 Maximum Cable Length Calculation .................................................................4-18
4.3.7 Network Junctions ...................................................................................................4-19
4.3.8 Safety Barriers .........................................................................................................4-19
4.3.9 Connection of Miscellaneous Hardware ..................................................................4-20
4.3.10 Shielding and Grounding .......................................................................................4-21
4.4 MECHANICAL INSTALLATION .....................................................................................4-22
4.4.1 Pipe Mounting, Differential and Gauge Construction...............................................4-22
4.4.2 Direct Mounting to Process, Model 7MF4433 or 7MF4533 .....................................4-24
4.4.3 Flange Mounting, Model 7MF4633/7MF4912..........................................................4-25
4.5 MECHANICAL INSTALLATION, All Models...................................................................4-27
4.5.1 Enclosure Rotation ..................................................................................................4-27
4.5.2 Display Orientation ..................................................................................................4-28
4.5.3 Electrical Conduit and Cable Installation .................................................................4-29
4.5.3.1 Conduit..............................................................................................................4-29
4.5.3.2 Cables ...............................................................................................................4-30
4.5.3.3 Access to Transmitter Terminal Compartment..................................................4-30
4.6 ELECTRICAL INSTALLATION.......................................................................................4-31
4.7 HAZARDOUS AREA INSTALLATION............................................................................4-33
5.0 POST-INSTALLATION TEST ............................................................................... 5-1
5.1 TEST EQUIPMENT ..........................................................................................................5-1
5.2 INSTALLATION REVIEW.................................................................................................5-1
5.3 EQUIPMENT CONNECTION ...........................................................................................5-2
5.4 VERIFICATION ................................................................................................................5-3
5.4.1 Communication Test..................................................................................................5-3
5.4.2 Transmitter Selftest....................................................................................................5-3
5.4.3 Loop Test...................................................................................................................5-4
5.5 TRANSMITTER ZERO AND SHUTOFF VALVE MANIPULATION ..................................5-5
5.5.1 Absolute Pressure .....................................................................................................5-5
5.5.1.1 Measuring Gases ................................................................................................5-6
5.5.1.2 Measuring Vapor and Liquid ...............................................................................5-7
5.5.2 Differential Pressure and Flow...................................................................................5-8
5.5.2.1 Measuring Gases ................................................................................................5-8
5.5.2.2 Measuring Liquids ...............................................................................................5-9
5.5.3 Measuring Vapor .....................................................................................................5-11
6.0 ON-LINE CONFIGURATION AND OPERATION ................................................. 6-1
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UMSITRPDS3-1
November 2005