Instruction Manual

HMP230 SERIES
M210225en-B User's Guide
iii
8.4. Temperature channel adjustment with Pt 100 simulators................................... 67
8.4.1. Adjustment using serial commands.......................................................... 67
8.4.2. Adjustment using display commands........................................................ 68
8.4.3. Adjustment using LED commands............................................................ 68
8.5. Measurement of output currents using test points............................................. 69
8.6. Adjusting the contrast of the display................................................................... 70
9. TECHNICAL DATA ............................................................................................................ 71
9.1. Relative humidity .................................................................................................. 71
9.2. Temperature .......................................................................................................... 71
9.3. Calculated variables ............................................................................................. 71
9.4. Pressure ................................................................................................................ 73
9.5. Analogue outputs.................................................................................................. 73
9.6. Electronics ............................................................................................................ 74
9.7. Mechanics ............................................................................................................. 75
9.8. Electromagnetic compatibility.............................................................................. 77
10. SPARE PARTS AND OPTIONS ......................................................................................... 78
11. FACTORY CALIBRATION AND REPAIR SERVICE ........................................................... 79
Appendix 1 Serial commands ......................................................................................... 80
Appendix 2 Installing the power supply module ......................................................... 103
Appendix 3 Installing and using the RS 485/422 serial port module .......................... 106
Appendix 4 Installing and using the digital current loop module............................... 117
Appendix 5 Error messages.......................................................................................... 127
Appendix 6 Calculation formulas ................................................................................. 133
Appendix 7 Alarm output unit....................................................................................... 135
Appendix 8 Connectors ................................................................................................ 140
Appendix 9 Re-gaining.................................................................................................. 144
Appendix 10 Pressure conversion chart........................................................................ 155
Appendix 11 Wiring diagramme MK4456 ....................................................................... 156
Warranty................................................................................................................................. 157