44/126
Siemens Building Technologies
SED2 variable speed drives
CM1U5192en
HVAC Products
Commissioning
01.2002
5.3.2
Description of the advanced operator panel (AOP)
The advanced operator panel has the following additional functions as compared to the
basic operator panel:
•
Multilingual and multi-line plain text display.
•
Displays units of measurement for speed, frequency, direction of motor rotation,
current, etc.
•
Comments on current parameters, error messages, etc.
•
Diagnostics menu for troubleshooting.
•
Main menu can be invoked directly by pressing the Fn and P keys simultaneously.
•
Load and store up to 10 parameter sets.
•
Communicate via RS232 or RS485 interfaces.
•
Programmable with PC without VSD (PC-AOP kit required).
•
Multi-drop capability to control up to 31 SED2 variable speed drives.
•
7-day timer with 3 switching operations per day.
For more details, refer to the AOP operating instructions.
5.3.3
Exchanging the operator panels
See illustration in section Removing the operator panel (BOP or AOP) on page 26.
The BOP or AOP can be connected to or disconnected from the variable speed drive
without switching off the power supply.
Tips
