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11.5 SPEED POT AND PRESET SPEED CONTROL

This wiring diagram illustrates SPEED POT and/or PRESET SPEED control with a two-wire

start/stop circuit.

MAINTAINED

RUN FORWARD

CONTACT

SIGNAL COMMON

0-10 VDC INPUT

DIGITAL INPUT REFERENCE

RUN FORWARD

PRESET SPEED SELECT

1 2

5 6

TXA TXB

4 13A 13B 13C4 13D 2511 15 30

DIGITAL INPUT REFERENCE

PRESET SPEED SELECT

10 VDC SUPPLY

SPEED POT

(2.5k - 10 kΩ)

NOTES

• Program the PRESET SPEEDS (Parameters 31-37) to the desired

values.

• Program TB-13A (Parameter 10) to PRESET SPEED #1 (04), TB-13B

(Parameter 11) to PRESET SPEED #2 (04), and TB-13C (Parameter

12) to PRESET SPEED #3 (04). To select a preset speed, close the

appropriate TB-13 terminal(s) to TB-4 (refer to Parameters 31-37 for the

Preset Speed Activation table).

• For speed pot control, program Parameter 05 - STANDARD REFERENCE

SOURCE for 0-10 VDC (03). If none of the preset speeds are selected (all

of the TB-13 terminals are open), the drive will respond to the speed pot.

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Lenze TCF Series Manual do Utilizador Página 28