Honeywell STT25M - Page 3

ii Smart Temperature Transmitter STT250 – Operator Manual
6.3.2 Transmitter Operating in 4 Byte Digital Output or in 4-20 mA
Analog Mode.................................................................................................28
6.3.3 Transmitter Operating in 4-20 mA Analog Output Mode..............28
6.4 DIAGNOSTIC AND TROUBLESHOOTING.........................................................29
6.4.1 Analog Meter.......................................................................................29
6.4.2 Smart Meter.........................................................................................29
6.4.3 4-20 mA Analog Mode Calibration of Smart Meter.....................30
APPENDIX A TRANSIENT PROTECTOR INSTALLATION
INSTRUCTION..............................................................................33
A.1 OVERVIEW ....................................................................................................33
A.2 FEATURES AND BENEFITS ............................................................................33
A.3 ELECTRICAL CHARACTERISTICS...................................................................33
A.4 INSTALLATION PROCEDURE.........................................................................34
A.5 WIRING REFERENCE....................................................................................35
FIGURES AND TABLES
Figure 1 : Operating Areas......................................................................................2
Figure 2: Bench Check Wiring Connections ........................................................7
Figure 3: Output Sensor Wiring Connections ......................................................8
Figure 4: Flow Chart for analog and DE Configuration..................................10
Figure 4-1: Specific Flow Chart for DE Configuration.....................................11
Figure 5: Flow Chart for HART Configuration...................................................13
Figure 6: DIN Rail Mounting................................................................................14
Figure 7: Wall Mounting Dimensions .................................................................15
Figure 8: Pipe Mounting Dimensions .................................................................15
Figure 9: Spring Loading and Sensor Assembly..............................................16
Figure 10: Aluminium Direct Head Mount Housing Dimensions....................17
Figure 11: Plastic Direct Head Mount Housing Dimensions ..........................17
Figure 12: Cast Iron Direct Head Mount Housing Dimensions ......................17
Figure 13: Stainless Steel Direct Head Mount Housing Dimensions............18
Figure 14: Meters Connections ...........................................................................27
Figure 15: Horizontal Style Bargraph.................................................................29
Figure A-1: Typical wiring of transient protector to STT250 transmitter......35
Table A-1 Electrical Characteristics ...................................................................33
Table A- 2 Transient Protector Installation.......................................................34