SED2 AOP Operating Instructions
12 Siemens Building Technologies
2.
Configure the SED2 VFDs for network use.
a. Set the Command Source P0700[1]=5 (USS on Com link). This sets the control over the
USS link on the communications port.
b. Assign each drive a unique RS-485 USS address in the range of 0 to 30. To do this set
User Access Level P0003=3 (expert) and use USS Address for Serial Interface Com Link
P2011[0] to assign a unique address to each SED2 VFD.
c. 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 PC that is running
software to connect to a network of SED2 VFDs.
To use this configuration, use a null modem lead to connect the PC to the PMK. At the AOP main
menu, select Mode. At the mode menu, select PC Mode. Enter the desired baud rate of
operation.
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