Owner's manual

HMP228
Operating Manual M210282en-A
iv
4.6.1.2 Using display/keypad commands..............................................................28
4.6.1.3 Using LED commands ..............................................................................28
4.6.2 Two point temperature calibration.............................................................28
4.6.2.1 Using serial commands ............................................................................28
4.6.2.2 Using display/keypad commands..............................................................29
4.6.2.3 Using LED commands ..............................................................................29
4.6.3 Temperature channel adjustment with Pt 100 simulators ..........................30
4.7 Analogue output channels ....................................................................................31
4.7.1 Setting the analogue outputs ....................................................................31
4.7.1.1 Using serial output....................................................................................32
4.7.1.2 Using display/keypad commands..............................................................33
4.7.2 Selecting and scaling the analogue output quantities................................34
4.7.2.1 Using serial output....................................................................................34
4.7.2.2 Using display/keypad commands..............................................................34
4.8 Checking and calibrating the analogue outputs..................................................35
4.8.1 Measurement of output currents using test points.....................................35
4.8.1 Calibration of the analogue outputs ..........................................................36
4.8.1.1 Using serial commands ............................................................................37
4.8.1.2 Using display/keypad commands..............................................................37
4.8.1.3 Using LED commands ..............................................................................38
4.9 Other functions......................................................................................................38
4.9.1 Adjusting the contrast of the display.........................................................38
4.9.2 Reverting to factory settings of the serial port..........................................38
5. TECHNICAL DATA.............................................................................................................40
5.1 Water activity.........................................................................................................40
5.2 Temperature...........................................................................................................40
5.4 Analogue outputs ..................................................................................................40
5.5 Electronics.............................................................................................................41
5.6 Mechanics..............................................................................................................41
5.7 Electromagnetic compatibility..............................................................................43
5.7.1 Emissions................................................................................................43
5.7.2 Immunity .................................................................................................43
6. OPTIONS ...........................................................................................................................44
7. SPARE PARTS...................................................................................................................44
APPENDIX 1: SERIAL COMMANDS..........................................................................................45
APPENDIX 2: DISPLAY COMMANDS........................................................................................66
APPENDIX 3: POWER SUPPLY MODULE ................................................................................73
APPENDIX 4: INSTALLING AND USING THE RS 485/422 SERIAL PORT MODULE................77
APPENDIX 5: INSTALLING AND USING THE DIGITAL CURRENT LOOP MODULE................88
APPENDIX 6: ERROR MESSAGES ...........................................................................................98
APPENDIX 8: CONNECTORS..................................................................................................105
APPENDIX 9: WIRING 109