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9.2 Speed Setpoint Selection
With factory defaults, the Base Drive Panel is automatically configured to get the speed reference from the main
setpoint analog input at terminals 4 and 5 on connector X174. The default scaling provides, +10 volts at
terminals 4 with respect to 5, equals 100% speed setpoint in the forward direction. If the input is -10 volts at
terminals 4 with respect to 5 then -100% speed setpoint in the reverse direction is provided.
Alternatively, the drive can be configured receive the speed setpoint from the CUD1 serial ports at connectors
X300 or X172, and from optional communication boards or serial port located on the optional CUD2 board.
If an alternative source of the speed setpoint is required, it can be set using parameter P433.
The normal choices are:
Source of Speed Setpoint
Main setpoint analog input (factory default setting)
Serial Interface 1, X300, USS protocol, Word 2
Serial Interface 2, X172, USS protocol, Word 2
Technology Board or First Communication Board, Word 2
Second Communication Board, Word 2
Serial Interface 3, CUD2 X162, USS protocol, Word 2
The speed setpoint can come from many other sources such as other analog inputs, other words in the serial
protocols, MOP function, and other freely selectable function in the base drive software. The ultimate selection
of the setpoint source depends on the application requirements. To use any other source, locate the connector
number for the source and set P433 to that value.
Siemens Energy & Automation
SIMOREG DC Master Base Drive Panel Operating Instructions
P433 =
K0011
K2002
K6002
K3002
K8002
K9002
8-17
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