SKS Sweden Bonfiglioli Vectron ACTIVE CUBE ACU 201 Series, Operating Instructions Manual, Page: 148 / 260

146 Operating Instructions ACU 09/08
13.10 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:
Activation
Motorpoti (MP) Motorpoti (KP) Function
Up Down Up Down
0 0 – –
Output signal does not change.
1 0 ▲ – Output value rises at set ramp.
0 1 – ▼ Output value drops at set ramp.
1 1 ▲ + ▼ 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 sourc
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 value channel
Reference frequency
source
475
Reference percentage
source
476
Motorpoti (MP) X X
Motorpoti (KP) X 0
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 or
Percent motorpoti up
72,
Percent motorpoti down
73.
For a summary of available digital signals, refer to chapter “Digital inputs”.
Operating Instructions ACU 09/08 146