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B Protocols TAC Xenta Server – Gateway, Technical Manual
170 (184) Schneider Electric Buildings AB, June 2011
04-00124-06-en
Device Status Signal
For each metering device the M-Bus interface driver generates several
status signals.
• ComsFail – Flags if communications with the meter have failed.
May be because of a meter or cable fault, or because of an address
mismatch.
• ValuesFail – Flags if one or more metered values expected from
the meter are not being received. Most likely caused by an incor-
rect signal definition in the device template.
• IdentNum – Indicates the identification number being reported by
the meter. May be used as the meter’s secondary address rather
than using primary addressing.
• Medium – Indicates the physical medium being metered. This is
an enumerated value of Unknown, Oil, Electricity, Gas, Heat,
Steam, Water, Air, CoolingLoad or Pressure.
• online – Flags ONLINE during normal device communications,
and will change to OFFLINE if communications with the meter
have failed. An OFFLINE condition normally indicates an incor-
rect device address having been entered, or by incorrect wiring of
the network connection to it.
Note
• Time-outs should be minimized where possible to reduce the
amount of time it takes for the Xenta 913 to detect any failed
meters.
- TAC Vista 1
- Contents 5
- REFERENCE 6
- Index 181 8
- INTRODUCTION 9
- 1 About this Manual 11
- 1.2 Structure 13
- 1.3 Typographic Conventions 14
- 1.4 Prerequisites 14
- 1.5 New in This Edition 14
- 1.6 Related Documents 15
- GETTING STARTED 17
- 2 Planning the Project 19
- 2.2 The Target System 20
- Important 21
- Fig. 2.2: The ACME building 22
- 2.4.1 Units 23
- 2.4.2 Devices 24
- TAC Vista Device Structure 25
- TAC Xenta 913 25
- Energy Meter PM710 25
- 2.5 Developing the Project 26
- 2.6.1 Folder Structure 27
- 3 Creating a Project 29
- 3.2 Creating a Project 30
- 11 Click OK 32
- 3.4 Saving the Project 34
- To create a device template 38
- To add signals for a device 40
- Fig. 5.1: 43
- To rename the root folder 44
- 5.1.2 Adding a Folder 45
- 6 Visualizing Signals 47
- 6.2 Adding a Signal 48
- 6.3 Adding a Values Page 51
- To add more values pages 53
- LonWorks Network 55
- 8 Connecting to the LonWorks 59
- Unrecognized Units 62
- To add a connection object 66
- Connection Object 67
- PM710_Signals RTU4_Signals 67
- 9 Creating SNVTs 73
- 9 Click OK 75
- 10 Using Signals 81
- 10.1.2 Output SNVTs 83
- An example of an output SNVT 84
- 10.1.3 Input SNVTs 85
- An example of an input SNVT 86
- 10.2 Connection Objects 87
- 10.3 Multi-Connection Objects 88
- 10.3.1 Validating the Signals 89
- Communication 91
- 11.3 The Device Templates 93
- 11.9 Enumerations 98
- 12 Working with Third-party 99
- Communication Diagnostics 99
- 04-00124-06-en 100
- Driver Selection 101
- Verbosity 102
- Output log file 103
- APPENDIX 107
- A.1 General 109
- A.2 Basic TCP/IP Settings 112
- What is an HTTP Session? 114
- Rules of Thumb 114
- B Protocols 117
- B.1.1 Modbus Master Networks 118
- B.1.2 Modbus Master Interface 119
- B.1.3 Modbus Slave Device 120
- Device Status Signal 121
- B.1.4 Modbus I/O Signals 122
- Fixed Address Blocks 123
- Functions 123
- Description 123
- B.2 Modbus Serial Line Slave 127
- B.2.1 Modbus Slave Networks 128
- B.2.2 Modbus Slave Devices 129
- B.2.3 Pseudo Slave Devices 130
- B.2.4 Modbus I/O Signals 132
- Format Functions Description 133
- B.3 Modbus TCP Client 136
- B.3.1 Modbus TCP Networks 137
- B.3.2 Modbus TCP Interface 138
- B.3.3 Modbus Slave Devices 139
- B.3.4 Modbus I/O Signals 140
- Fig. B.4: BACnet IP 145
- B.4.1 BACnet IP Networks 146
- B.4.2 BACnet IP Interface 147
- Interface Status Signals 148
- BACnet Target Devices 148
- Device Template 149
- Device Properties 149
- B.5.1 BACnet MS/TP Networks 152
- B.5.2 BACnet MS/TP Interface 153
- B.5.3 BACnet Target Devices 155
- Fig. B.6: BACnet PTP 158
- B.6.1 BACnet PTP Networks 159
- B.6.2 BACnet PTP Interface 160
- B.6.3 BACnet Target Devices 162
- B.7 M-Bus Metering 165
- B.7.1 M-Bus Metering Networks 166
- Interface Properties 167
- B.7.3 M-Bus Meters 169
- B.7.4 M-Bus I/O Signals 171
- Clipsal C-Bus 174
- B.8.1 C-Bus Lighting Networks 175
- B.8.4 C-Bus I/O Signals 178
- Last Manual Page 184
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