Lenze E82xVxxxKxxxxx - Manual (Page 300)

Function library
Configuration of analog and digital setpoints and actual values
Analog setpoints via terminal
10
l
300 EDS82EV903 EN 3.0
Adjustment
1. In C0412, link the desired setpoint or actual value to one of the analog inputs
(C0412/x = 1 or 4).
)
Note!
Besides the free configuration in C0412, a fixed configuration can be selected
in C0005.
2. Select the setpoint range in C0034.
3. Set the switch/jumper position on the function module to the same range!
Otherwise the setpoint signal will not be interpreted correctly.
– Independent of the set gain, the setpoint signal will only be evaluated within the
setpoint range (C0034) that has been set.
– The minimum output frequency (C0010) corresponds to 0 % setpoint signal.
– If offset
¹ 0 % and/or if inverted setpoint selection has been selected, the value
may fall below the value set in C0010.
4. Set gain if required (C0414)
– The gain always acts both on the setpoint signal and the offset.
– 100 % corresponds to a gain factor = 1.
– Calculate the gain by means of two points on the setpoint characteristic. Observe
the signs of the coordinates:
Gain [%] +
f (P
2
) * f (P
1
)
U (P
2
) * U (P
1
) @ 100 %
5. Set offset if required (C0413).
– An offset will shift the characteristic.
– A dead band can be set up by means of the offset and C0239 (lower frequency
limitation) if required.
– Calculate the offset by means of the calculated gain and a point on the setpoint
characteristic. Observe the signs of the coordinates:
Offset (P
2
) [%] +
f (P
2
) [%]
Gain [%] @ 100 % * U (P 2
) [%]
)
Note!
ƒ C0026, C0027, C0413 and C0414 are equal in all parameter sets.
ƒ During operation with application I/O, automatic adjustment of the
setpoint inputs is possible via C0430, C0431 and C0432:
– Select the setpoint input in C0430.
– Enter the coordinates of two points on the setpoint characteristic in C0431
and C0432.
– Calculated values are automatically entered in C0413 (offset) and C0414
(gain)