Lenze MC3000 Series Bedienungsanleitung PDF herunterladen (Seite 40)

36 13435743_EDBM301_v14.0

15.4 SPEED POT AND PRESET SPEED CONTROL

Shown below is the wiring diagram for a control scheme that utilizes a speed pot and

PRESET SPEEDS for speed control, and either a two-wire or three-wire START/STOP

circuit:

STOP

CIRCUIT COMMON

0-10 VDC INPUT

10 VDC SUPPLY

CIRCUIT COMMON

START

1 2 5A 5B 6 10A 12A RXA TXB10B 2 13A 13B 13C 13D 14 15 2

16 17 18

PRESET SPEED #3

SPEED POT

(10 K)

PRESET SPEED #1

PRESET SPEED #2

CIRCUIT COMMON

The TB-2 terminals are internally tied together

NOTES:

1. Program the PRESET SPEEDS (Parameters 1-4) to the desired values.

2. Program TB-13A to select SPEED #1, TB-13B to select SPEED #2, and TB-13C

to select SPEED #3 (see Parameters 47, 48 and 49).

3. To select a preset speed, close the appropriate preset speed terminal to TB-2.

To select SPEED #4, close any two of the preset speed terminals to TB-2.

4. For speed pot control, one of the TB-13 terminals needs to be programmed to

select 0-10 VDC. Close the selected TB-13 terminal to TB-2 for speed pot control.

This will result in the loss of one of the preset speeds.

5. If none of the preset speeds (or the speed pot) are selected via contact closures,

the drive will default to keypad speed control.

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Lenze MC3000 Series Bedienungsanleitung Seite 40