Lenze DDS Function library Drive - Manual (Page 80)

2.7.3 Motor potentiometer (L_MPOT)
Function library LenzeDrive.lib
Special functions
2−70
L
LenzeDrive.lib EN 1.7
2.7.3 Motor potentiometer (L_MPOT)
This FB replaces a hardware motor potentiometer. It is used as an alternative setpoint source that
is operated via two inputs.
L_MPOT
nOut_a
bUp_b
bDown_b
byInitFunction
byFunction
bInAct_b
dnActRetain
CTRL
nHighLimit
wTir
wTif
nLowLimit
dnActRetain
Fig. 2−69 Motor potentiometer (L_MPOT)
VariableName DataType SignalType VariableType Note
bUp_b Bool binary VAR_INPUT Motor potentiometer runs up to the upper limit.
bDown_b Bool binary VAR_INPUT Motor potentiometer runs down to the lower limit.
bInAct_b Bool binary VAR_INPUT Activates a function.
nOut_a Integer analog VAR_OUTPUT Setpoint output
dnActRetain Double integer VAR_IN_OUT Stores the current setpoint.
nHighLimit Integer VAR CONSTANT RETAIN Upper limit (16384 º 100% º C0011)
nLowLimit Integer VAR CONSTANT RETAIN Lower limit (16384 º 100% º C0011)
wTir Unsigned
Integer
VAR CONSTANT RETAIN Acceleration time Tir (10 º 1 s)
wTif Unsigned
Integer
VAR CONSTANT RETAIN Deceleration time Tif (10 º 1 s)
byFunction Byte VAR CONSTANT RETAIN Deactivation function
byInitFunction Byte VAR CONSTANT RETAIN Initialization function
Parameter codes of the instances
VariableName L_MPOT1 SettingRange Lenze
nHighLimit C0260 −199.99 ... 199.99% 100.00
nLowLimit C0261 −199.99 ... 199.99% −100.00
wTir C0262 0.1 ... 6000.0 s 10.00
wTif C0263 0.1 ... 6000.0 s 10.00
byFunction C0264 0 ... 5 0
byInitFunction C0265 0 ... 2 0
Range of functions
·
Operation of the motor potentiometer
·
Initialization of the motor potentiometer
·
Store the current output value after supply interruption.