Configuration, Only series “hvac – Lenze 8200 Frequency inverters User Manual

Page 182

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Configuration

8200SHB0199

7-45

Only series “HVAC”:

Level inversion

The function “Motor potentiometer” can be influenced through level inversion.
Example

-

C114 = -3-
- Terminals E1 and E2 are level inverted. The function “Motor potentiometer” is then activated

according to the following table:

Function

E1

E2

Setpoint = 0 Hz (T

iQSP

, C105)

1)

HIGH

HIGH

Reduce setpoint until f

dmin

(T

if

, C013)

2)

LOW

HIGH

Increase setpoint until f

dmax

(T

ir

, C012)

HIGH

LOW

Setpoint remains constant

LOW

LOW

1)

HIGH level at terminals E1 and E2 reduce the setpoint via the QSP ramp (C105) until
f

d

= 0 Hz.

2)

Only possible, if the setpoint has exceeded f

dmin

before.

Activation of the function “Motor potentiometer” via normally-open contacts.

E1

E2

E3

E4

20

-

C007 = -26-
- The JOG value has priority over the function “Motor potentiometer”.

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