Vaisala HMW90 User Manual Page 109
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Appendix B _________________________________________________________ Modbus Reference
VAISALA _______________________________________________________________________ 107
Device Identification Objects
HMW90 Modbus conforms to the extended identification level defined in
the Modbus Application Protocol Specification V1.1b. Both stream
access and individual access to the objects is supported.
Basic device identification consists of objects 0x00…0x02. Those values
should be used if the device must be identified to establish its Modbus
capabilities.
Table 45 HMW90 Modbus Device Identification
Object Id
Object Name
Description
0x00
VendorName
“Vaisala”
0x01
ProductCode
HMW95
0x02
MajorMinorVersion
Software version
(for example, “1.0.0”)
0x03
VendorUrl
“http://www.vaisala.com/”
0x04
ProductName
HMW90
0x80
SerialNumber
Serial number (e.g.
“H0710040”)
0x81
CalibrationDate
Date of the last calibration
(for example, “2012-08-07”,
empty if not available)
0x82
CalibrationText
Information text of the last
calibration (empty if not
available)
Exception Responses
Table 46 HMW90 Modbus Exception Responses
Code
Name
Reason
01
ILLEGAL FUNCTION
Unsupported function code
02
ILLEGAL DATA ADDRESS
Address out of valid ranges
03
ILLEGAL DATA VALUE
Otherwise invalid request
Accessing unavailable (unsupported or temporarily missing)
measurement data does not generate an exception. “Unavailable” value (a
quiet NaN for floating point data or 0x0000 for integer data) is returned
instead. An exception is generated only for any access outside the
register blocks defined in Table 40 on page 104.
- USER'S GUIDE 1
- Table of Contents 3
- CHAPTER 4 4
- CHAPTER 5 5
- CHAPTER 6 5
- CHAPTER 7 5
- APPENDIX A 5
- APPENDIX B 6
- List of Figures 7
- List of Tables 8
- GENERAL INFORMATION 9
- Version Information 10
- Related Manuals 10
- Documentation Conventions 10
- Recycling 11
- Regulatory Compliances 12
- Patent Notice 12
- Trademarks 12
- Software License 12
- Warranty 13
- PRODUCT OVERVIEW 15
- HMW90 Series Transmitters 16
- Output Parameters Explained 17
- Transmitter parts 18
- 1201-005 19
- 1201-006 20
- 1209-013 21
- INSTALLATION 23
- HMW92/TMW92 HMW93/TMW 24
- Relative Humidity (%) 26
- 1209-016 28
- 128 64 32 16 8 4 2 1 29
- Binary: 10100001 29
- Decimal: 161 29
- (128 + 32 + 1) 29
- Selecting Location 30
- Wiring HMW92 31
- Wiring HMW93 32
- -T -Vs+T +Vs 33
- CONTROLLER 34
- Wiring HMW95 35
- OPERATION 37
- Measurement Screen 38
- Service Port 39
- Connecting With a PC 40
- 0807-004 42
- List of Serial Commands 43
- Transmitter Information 44
- Show Transmitter Status 45
- >status 46
- Show Measured Parameters 47
- Show Command Help 47
- Measurement Settings 48
- Analog Output Settings 49
- Set Analog Output Scaling 50
- Display Settings 52
- Serial Line Output Commands 53
- Output a Reading Once 54
- Set Output Interval 54
- Set Output Format 55
- Serial Line Settings 56
- Set Relay Mode 57
- Relay Configuration Examples 59
- Adjust Humidity Measurement 60
- Show Current T Adjustment 62
- Information 63
- Testing Commands 64
- Other Commands 65
- Reset Transmitter 66
- Set BACnet Parameters 66
- MAINTENANCE 69
- Calibration and Adjustment 70
- CAUTION 71
- Adjustment Using an HM70 72
- Adjustment Using a PC 73
- Repair Maintenance 74
- 1112-028 75
- TROUBLESHOOTING 77
- Error Messages 78
- View Error Table 79
- Error State 80
- Switches 81
- Technical Support 83
- Product Returns 83
- TECHNICAL DATA 85
- Table 17 Mechanics 86
- Table 16 Inputs and Outputs 86
- Spare Parts and Accessories 87
- Dimensions in mm 88
- BACNET REFERENCE 89
- Device Object 92
- Object_Identifier 93
- Object_Name 93
- System_Status 93
- Relative Humidity object 94
- Reliability 95
- Temperature Object 96
- Calculated Humidity Objects 98
- Operation Pressure Object 100
- Present Value 100
- Status Flags 100
- Event State 100
- Out of Service 100
- Operation Altitude Object 101
- BIBBs Supported 102
- MODBUS REFERENCE 105
- Register Map 106
- Measurement Data (Read-Only) 107
- Status Registers (Read-Only) 108
- Configuration Registers 108
- Exception Responses 109
- *M211399EN* 110
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