Operating Instructions

AOP Overview
Siemens Building Technologies, Inc. 13
If using the AOP as the normal control means for the SED2 VFD, it is recommended that
USS Telegram Off Time for Serial Interface BOP Link P2014[1]=5000. (To do this, first
set User Access Level P0003=3 [expert]). The P2014[1]=5000 setting causes the drive to
trip if communications with the AOP control source are lost.
3. With the SED2 VFDs powered-up on the network, connect and power-up the AOP on the
PMK.
4. On start-up of the AOP, select Mode from the main menu. Press to confirm the selection.
On display of the mode menu, select Master mode. Press to confirm the selection. Press
to return to the main menu.
5. Select Operate from the main menu. The AOP lists all SED2 VFDs on the network. For each
connected SED2 VFD drive, an O appears (indicating normal operation).
NOTE: If there is a fault with a connected drive, an F appears (indicating a fault condition).
Use and to select the drive and to clear the fault.
Select a single SED2 VFD and press to confirm the selection or select B and press to
enter the Broadcast Mode of operation. At any time, will exit the Broadcast Mode of
operation.
6. Press to start the selected SED2 VFD/motor.
7. Press to stop the selected SED2 VFD/motor.
For more information, see AOP Operating Modes.
Network Setup (PC Mode)
The AOP can be configured as an RS-232 to RS-485 converter to allow a computer that is
running software to connect to a network of SED2 VFDs.
To use this configuration, use a null modem lead to connect the computer to the PMK. At the
AOP main menu, select Mode. At the mode menu, select PC Mode. Enter the desired baud rate
of operation.