14.10 Motor Potentiometer
Via the motor potentiometer function, the motor speed is controlled via
− digital control signals (function Motorpoti MP) or via
− the keys of the control unit KP 500 (Function Motorpoti KP)
The control up/down commands are assigned the following functions:
0 0 – –
Output signal does not change.
Output value rises at set ramp.
Output value drops at set ramp.
Output value is reset to initial value.
0 = contact open 1 = contact closed
▲ ▼ = Arrow keys on control unit KP 500
The motor potentiometer function and its link to other reference value sources can
be selected in the corresponding reference value channels with parameters Reference
frequency source
475 or Reference percentage source 476.
For a description of the possible links of the reference value sources, refer to chap-
ters “Reference Values”, “Frequency reference channel” and “
Reference percentage
channel”.
Availability of functions „Motorpoti (MP)“ and „Motorpoti (KP)“ differs in the individual
reference value channels:
Reference frequency
source 475
Reference percentage
source 476
X = function available 0 = function not available
Depending on the active reference value channel, the function is assigned to a digital
signal via parameters Frequency motorpoti up 62, Frequency motorpoti down 63
Percent motorpoti up 72, Percent motorpoti down 73.
For a summary of available digital signals, refer to chapter “Digital inputs”.
06/13 Operating Instructions ACU 167
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