Siemens SED2 User Manual download pdf (Page 20)

SED2 AOP Operating Instructions

12 Siemens Building Technologies

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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Siemens SED2 User Manual Page 20