User Manual

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Siemens Building Technologies SED2 Advanced Operator Panel AOP CM1B5192en

HVAC Products AOP Operating Modes 19.01.2004

Display Description

Indicates the SED2 VSD is active and communicating.

Indicates no active slave (icon is blank).

Indicates a SED2 VSD fault has been recorded and the SED2 VSD has tripped.

Indicates a SED2 VSD with active warnings.

Indicates a SED2 VSD with communications problems.

Indicates a non-SED2 VSD - parameter upload only.

Note: To configure SED2 VSDs for network operation:

• set Command Source P0700[0]=5 (USS on Com link)

• set USS Telegram Off Time for Serial Interface Com Link P2014[0]=5000, and

• USS Address for Serial Interface Com Link P2011[0]=a unique number for each drive on the

network.

For more information see 4.2 Network Setup (RS-485 with Panel Mounting Kit)

6.3.2 Broadcast Operation

The purpose of the broadcast function is to allow all connected SED2 VSDs to be controlled simultaneously.

With the broadcast function selected it is possible to perform the following functions on all connected SED2

VSDs:

 Start

 Stop

Since parameters can not be edited globally, the

key does not function in a broadcast operation.

The

and key still function in a broadcast operation. For example, it would be possible to change the

speed of all motors simultaneously across all networked SED2 VSDs.

6.3.3 Slave Communications Failure

If at any time, communications fail between the AOP and a connected slave VSD, a ‘Slave Error‘ warning

screen is displayed. This screen will indicate which slave VSD is affected and will also be displayed if a slave

VSD is not working correctly.

Press

to acknowledge the warning condition.

If the failure condition occurs again, then the AOP returns to the main menu and the user will not be allowed to

enter the OPERATE mode.