Lenze MCH Series Manual do Utilizador descarregar pdf (Página 42)

38 13435744_EDBMH01_v13

15.3 REMOTE H/O/A

Shown below is the wiring diagram for selecting H/O/A from the terminal strip. Also

shown is the wiring for a 0-10 VDC or 4-20 mA speed reference signal. In HAND mode,

TB-1 must be closed to TB-2 in order to start the drive. In AUTO mode, close TB-1 to

TB-2 to RUN, and open to STOP.

RUN / STOP

CIRCUIT COMMON

0-10 VDC INPUT

4-20 mA INPUT

1 2 5A 5B 6

10A 12A RXA TXB10B 2 13A 13B

13C

13D 14

15 2

16 17 18

FORM C

RELAY

CIRCUIT COMMON

MAINTAINED

RUN/STOP CONTACT

(AUTO MODE ONLY)

The TB-2 terminals are internally tied together

AUTO MODE SELECT

HAND MODE SELECT

CIRCUIT COMMON

HAND

OFF

AUTO

HAND

OFF

AUTO

NOTES:

1. Program TB-13C (Parameter 49) to HAND. This forces TB-12A to act as AUTO.

2. In AUTO mode (TB-12A closed to TB-2), close TB-1 to TB-2 to RUN, and open to

STOP. The speed reference will be determined by AUTO SOURCE (Parameter

24).

3. When HAND mode is selected (TB-13C closed to TB-2), TB-1 must also be

closed to TB-2 in order to RUN. The speed reference will be determined by HAND

SOURCE (Parameter 29).

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Lenze MCH Series Manual do Utilizador Página 42