Endress+Hauser Tankvision NXA20 Manuals

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Endress+Hauser Tankvision NXA20 Manual

Endress+Hauser Tankvision NXA20 Manual (52 pages)

Modbus Map Protocol Gauge Link, Enraf BPM / Emerson TRL/2 to RS485 Modbus

Brand: Endress+Hauser | Category: Media Converter | Size: 1 MB

Table of Contents

Table of Contents
2
1 Document Information

4
- Target Audience for this Manual
  4
- Version History
  4
- Document Function
  4
- Documentation
  5
2 Basic Safety Instructions

6
- Requirements for the Personnel
  6
- IT Security
  6
- Designated Use
  6
- Workplace Safety
  6
- Operational Safety
  7
- Product Safety
  7
3 Identification

8
4 Introduction

10
- Reference Documentation
  10
- Communication Parameters
  10
- Modbus Type
  10
- Timeout and Retries
  10
5 Modbus Task - Function: 4 (Read 16 Bit Registers)

11
- Modbus Address
  11
- Primary Information
  11
- Temperature Data
  12
- Density Data
  13
- Temperature Data Status
  14
- Floating Point Format and Signed Integer Level
  15
- Format
  15
- Temperature Data
  16
- Temperature Data Status
  16
- Density Data
  17
- Diagnostic Data
  18
6 Enraf Devices

20
- Modbus Task
  20
- Modbus Address
  20
- Level Addresses
  20
- Average Temperature Addresses
  21
- Temperature Element Addresses
  22
- Live Water Addresses
  23
- Water Dip Addresses
  23
- Density Addresses
  24
- Reserved Addresses
  25
- Vapour Temperature Addresses
  26
- Base Pressure P1 Addresses
  27
- Liquid Pressure P2 Addresses
  28
- Vapour Pressure P3 Addresses
  29
- Type of Enraf Gauge
  29
7 Emerson Devices

31
- Modbus Task
  31
- Modbus Address
  31
- All Parameter Gauge Address Except Temperature Devices
  31
- Temperature Device Addresses
  32
- Live Water Registers
  33
- Vapour Temperature Registers
  34
- Base Pressure P1 Registers
  35
- Liquid Pressure P2 Registers
  36
- Vapour Pressure P3 Registers
  36
8 Modbus Task - Function: 1 (Read Coil Status)

38
- Modbus Address
  38
9 Modbus Task - Function: 5 (Force Single Coil)

39
- Modbus Address
  39
10 Modbus Task - Function: 15 (Force Multiple Coil)

40
- Modbus Address
  40
11 Modbus Task - Function: 6 (Preset Single Register)

41
- Modbus Address
  41
- Gauge Operation Code. Data Offset 26 (40027)
  41
12 Modbus Task - Function: 16 (Preset Multiple Register)

42
- Modbus Address
  42
13 Modbus Task - Function: 8 (Sub Function 0) (Diagnostics)

43
- Modbus Address
  43
14 Status

44
- Product Level Status
  44
- Product Temperature Status
  44
- Water Level Status
  45
- Vapour Temperature Status
  45
- Base Pressure P1 Status
  45
- Liquid Pressure P2 Status
  46
- Vapour Pressure P3 Status
  46
- Density Status
  47
- Sensor Position Status
  47
- 14.10 Temperature Element
  48
- 14.11 Density Position Status
  48
- 14.12 Density Status
  49
- 14.13 Gauge Status
  49
Index

51

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