Elsteam VEH Series Manual page 3

CONTENTS
6.3 Wiring diagram .....................................................................................................................................24
7. USER INTERFACE AND INITIALISATION ................................................................................... 25
7.1 User interface .......................................................................................................................................25
7.1.1 Humidifier on/off switch ..........................................................................................................................25
7.1.2 Main screen display with external humidity control (ON/OFF or 0...10 V) ..........................................25
7.1.3 Main screen display with internal humidity control (4...20 mA) ...........................................................25
7.2 Keys .......................................................................................................................................................26
7.3 Menu ......................................................................................................................................................26
7.3.1 Switching on/off .......................................................................................................................................26
7.3.2 Language ....................................................................................................................................................26
7.3.3 Humidity control ........................................................................................................................................26
7.3.4 Emptying time ............................................................................................................................................26
7.3.5 Water fill time .............................................................................................................................................27
7.3.6 Water drain time ........................................................................................................................................27
7.3.7 AT coefficient .............................................................................................................................................27
7.3.8 Water change interval ..............................................................................................................................27
7.3.9 Manual water drainage ............................................................................................................................27
7.3.10 Nominal current setting .........................................................................................................................27
7.3.11 Wash time ................................................................................................................................................27
7.3.12 0-10 V signal calibration coefficient ......................................................................................................27
7.3.13 DP Enabling ..............................................................................................................................................27
7.3.14 ModBus Address .....................................................................................................................................27
7.3.15 ModBus Speed .........................................................................................................................................27
7.3.16 Empty Tank Test ......................................................................................................................................27
7.3.17 Drain due to inactivity time ....................................................................................................................27
7.3.18 RTH ramp ..................................................................................................................................................27
7.4 Power-up and start-up .........................................................................................................................28
8. OPERATION .................................................................................................................................... 29
8.1 How it works... ......................................................................................................................................29
8.2 Manual water drainage .......................................................................................................................29
8.3 Switch-off procedure due to extended period of inactivity
9. MODBUS RTU FUNCTIONS AND RESOURCES ............................................................................. 30
9.1 Introduction ..........................................................................................................................................30
9.2 Modbus message structure ................................................................................................................30
9.3 Modbus functions and registers ........................................................................................................30
9.3.1 Available Modbus commands and data areas .......................................................................................31
9.4 Address configuration .........................................................................................................................31
9.5 Connections ..........................................................................................................................................31
9.6 Modbus tables content ........................................................................................................................31
924VHE4.02 - VEH series humidifiers | 3 |
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02/2022