Vaisala HMDW110 - Product Overview; Transmitter Parts Identification; Component Board and Features; Safety and Regulatory Compliance

6.6 Serial Line Output and Communication...................................................... 39
6.6.1 Measurement Output..............................................................................39
6.6.2 Measurement Output Format.................................................................41
6.6.3 Serial Line Communication....................................................................43
6.7 Analog Output................................................................................................46
6.8 Calibration and Adjustment Commands..................................................... 48
6.9 Other Commands........................................................................................... 52
7. Maintenance....................................................................................................54
7.1 Cleaning...........................................................................................................54
7.2 Calibration and Adjustment..........................................................................54
7.2.1 Adjustment Types................................................................................... 55
7.2.2 Adjustment Points...................................................................................55
7.3 Calibration and Adjustment Using Handheld Meter and
Reference Probe............................................................................................. 56
7.4 One-Point Humidity Calibration and Adjustment Using
Handheld Meter and HMK15 Humidity Calibrator.......................................58
7.5 Two-Point Humidity Calibration and Adjustment Using
Computer and HMK15 Humidity Calibrator................................................. 59
7.6 Two-Point Temperature Calibration and Adjustment Using Computer...62
7.7 Replacing HUMICAP Sensor on HMD110/112 and HMW110/112................. 65
7.8 Replacing HUMICAP Sensor on HMS110/112................................................67
7.9 Filter Selection................................................................................................68
8. Troubleshooting............................................................................................69
8.1 Problem Situations.........................................................................................69
8.2 Error Messages in Insight Software..............................................................70
8.3 Error Codes in MI70 Handheld Meter............................................................71
8.4 Unknown Serial Settings................................................................................72
9. Technical Data................................................................................................ 73
9.1 Dimensions...................................................................................................... 75
9.2 Spare Parts and Accessories.........................................................................76
Appendix A:
Modbus Reference................................................................. 78
A.1 Default Communication Settings................................................................. 78
A.2 Function Codes...............................................................................................78
A.3 Data Encoding.................................................................................................78
A.4 Modbus Registers........................................................................................... 79
A.4.1 Measurement Data Registers.................................................................79
A.4.2 Status Registers...................................................................................... 80
A.4.3 Configuration Registers...........................................................................81
A.4.4 Test Value Registers................................................................................82
A.4.5 Device Identification Objects.................................................................82
A.5 Modbus Communication Examples..............................................................83
Warranty............................................................................................................ 87
Technical Support............................................................................................87
HMDW110 User Guide M211726EN-D
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