Revision 2 STT700 Temperature Transmitter User’s Manual Page vii
Contents
1. Introduction....................................................................................................................................1
1.1. Overview ................................................................................................................................1
1.2. Features and Options..............................................................................................................1
1.2.1. Physical Characteristics..................................................................................................2
1.2.2. Functional Characteristics ..............................................................................................3
1.3. STT700 SmartLine transmitter nameplate .............................................................................3
1.4. Safety Certification Information.............................................................................................4
1.5. Transmitter Adjustments........................................................................................................4
1.6. EU Meter Option –HART only.............................................................................................4
2. Application Design.........................................................................................................................5
2.1. Overview ................................................................................................................................5
2.2. Safety......................................................................................................................................5
2.2.1. Accuracy.........................................................................................................................5
2.2.2. Diagnostic Messages ......................................................................................................5
3. Installation and Startup...................................................................................................................9
3.1. Installation Site Evaluation.....................................................................................................9
3.2. Honeywell MC Toolkit...........................................................................................................9
3.3. Mounting..............................................................................................................................10
3.3.1. DIN Rail Mounting.......................................................................................................10
3.3.2. Mounting Module in Housing ......................................................................................11
3.3.3. Uninstalling/Installing EU Meter from Housing..........................................................13
3.3.4. Spring Loading.............................................................................................................15
3.4. Wiring a transmitter..............................................................................................................16
3.4.1. Loop Power Overview..................................................................................................16
3.4.2. Digital System Integration Information........................................................................18
3.4.3. Wiring Variations.........................................................................................................18
3.4.4. Grounding and Lightning Protection............................................................................19
3.4.5. Input Sensor Wiring .....................................................................................................20
3.4.6. Lightning Protector.......................................................................................................21
4. Startup ..........................................................................................................................................24
4.1.1. Overview ......................................................................................................................24
4.1.2. Startup Tasks................................................................................................................24
4.1.3. Output Check Procedures.............................................................................................24
4.1.4. Constant Current Source Mode Procedure...................................................................25
5. Operation......................................................................................................................................26
5.1. Overview ..............................................................................................................................26
5.2. Configuration Tools..............................................................................................................26
5.2.1. Smart Field Communicator (SFC) for DE Models.......................................................26
5.2.2. HART Communicator Model 375, 475 or MC Toolkit FDC for HART 7 Models ....27
6. Maintenance .................................................................................................................................29
6.1. Overview ..............................................................................................................................29
6.2. Preventive Maintenance Practices and Schedules................................................................29
6.3. Troubleshooting....................................................................................................................29
6.3.1. Troubleshooting with SFC ...........................................................................................29
6.3.2. Troubleshooting with HART communicator................................................................31
6.4. Recommended Parts.............................................................................................................32
6.5. Wiring and Installation Drawings ........................................................................................34