Commissioning Notes; Points To Check Prior To Commissioning - Siemens Synco 700 Series Basic Documentation

General points to check
Note
Checking
communication
Communication of
process values
Building Technologies
HVAC Products
3

Commissioning notes

3.1

Points to check prior to commissioning

The following points must be checked before commissioning starts:
• Check that bus devices and field devices are installed
• Check the wiring against the plant wiring diagram
• Check that all devices have an operating voltage:
AC 24 V Synco 700 type RM... controllers, RXL room controller, OZW775
central communication unit. The RMZ792 bus operator unit can
be operated with AC 24 V or powered via the KNX bus
AC 230 V RXB room controller, OZW771 central communication unit,
Synco 900 central apartment unit QAX910
Devices without a direct connection for the operating voltage:
QAW740 room unit, and RMZ790, RMZ791 operator unit
• Existing bus power supply Delivered by:
−
DPSU: Synco 700 devices set to "Decentral bus power = On"
−
PSU: Central bus power supply from power supply unit(s)
• Check that the plant is ready for operation
The commissioning procedure is described in detail in the installation instructions
for each individual device.
Communication is active if the following criteria are fulfilled:
• An existing bus power supply
• Time and date set
• Device addresses set
• Zone addresses set
• Devices not in commissioning mode
The communication of process values requires that the zones are connected in the
devices via the zone addresses (see section 7.1).
Basic documentation: Communication via the KNX bus
Commissioning notes
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CE1P3127en
30.08.2007