Siemens RDU Series Room Thermostat Manuals

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Siemens RDU Series Basic Documentation

Siemens RDU Series Basic Documentation (88 pages)

KNX bus communications

Brand: Siemens | Category: Home Automation | Size: 0.96 MB

Table of Contents

Table of Contents
3
1 KNX and Synco

5
- General Overview
  5
- Definition of Terms
  6
- Device Range
  8
- Collective Terms for the Device Types
  9
- Product Markings on Synco Bus Devices
  10
- The KNX Network
  11
- Full-Scale KNX Network
  11
- Network Address
  12
- Device Address
  13
- Area/Line Couplers and IP Router
  14
2 Engineering Notes

15
- Network Design
  15
- Design Engineering Procedure
  15
- Number of Bus Devices Per Line, Area and Network
  16
- Bus Load Number E
  17
- Bus Power Supply
  17
- Distributed Bus Power
  17
- Power Consumption of Bus Devices
  19
- Central Bus Power Supply
  20
- Bus Topologies
  21
- Distances and Cable Lengths
  22
3 Commissioning Notes

25
4 Device Address and Device Name

29
5 Device Addresses Via ACS

33
- Service Tool OCI700.1 and ACS790 Software
  33
- Overview
  33
6 Basic Communication Settings

35
- Distributed Bus Power
  35
- Clock Time Operation
  35
- Set Time Slave Remotely
  36
- Remote Reset of Fault
  38
7 Communication Via Zone Addresses

39
- General Notes on Zones
  39
- Synco Zoning
  39
- Communication of Process Values
  40
- Geographical Zone (Apartment)
  41
- Default Value
  42
- LTE Reception and Transmission Zones
  44
- Address Zones with RMZ Operator Units
  46
- QAW740 Room Unit
  46
8 Large Plants

47
9 Appendix

63
- Faults and Errors
  63
- Fault Status Message Bus
  63
- Communication Error
  64
- Heating/Cooling Changeover
  65
- Changeover Via Digital Input
  66
- Changeover Via Analog Input
  67
- Changeover Based on Calendar
  68
- H/C Changeover Relay and Fault Status Messages
  69
- Room Control Combination Function
  70
- Application Examples
  70
- Application with Zones
  74
- Additional Zones in the RXB/RXL Room Controller
  75
- Supply Chains
  76
- Data Exchange in LTE-Mode
  78
- Update Process Values
  79
- Lightning and Overvoltage Protection, EMC
  80
- Lightning Protection
  80
- Overvoltage Protection
  83
- Overvoltages in Loops
  84
- EMC Protection Management
  85
Index

86

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