Lenze MC3000 Series Manual do Utilizador descarregar pdf (Página 36)

32 13435743_EDBM301_v14.0

MOP - MOTOR OPERATED POT

TB-13A and TB-13B are used for this function, which sets the speed of the drive using

contacts wired to the terminal strip. Program TB-13A to select DEC FREQ, and program

TB-13B to select INC FREQ. Closing TB-13A to TB-2 will activate the DEC FREQ

function, and will cause the speed setpoint to decrease until the contact is opened. DEC

FREQ will operate when the drive is in RUN mode or STOP mode. Closing TB-13B to

TB-2 will activate the INC FREQ function, and will cause the speed setpoint to increase

until the contact is opened. INC FREQ will only operate when the drive is in RUN mode.

NOTE

If TB-13A, TB-13B, and TB-13C are all programmed to select speed

references, and two or three of the terminals are closed to TB-2,

the higher terminal has priority and will override the others. For

example, if TB-13A is programmed to select 0-10VDC, and TB-13C is

programmed to select PRESET SPEED #3, closing both terminals to

TB-2 will cause the drive to respond to PRESET SPEED #3, because

TB-13C overrides TB-13A.

14.2.6 ANALOG OUTPUT SIGNALS

There are two terminals that can supply analog output signals proportional to output

frequency or load. Terminal TB-10A can provide a 0-10 VDC or a 2-10 VDC signal

proportional to output frequency, and TB-10B can provide the same signals proportional

to load. The 2-10 VDC signals can be converted to a 4-20 mA signal using a resistor

in series with the signal such that the total circuit resistance is 500 ohms. Refer to

Parameters: 42 - TB10A OUT, 43 - @TB10A, 44 - TB10B OUT, and 45 - @TB10B in

Section 18 - DESCRIPTION OF PARAMETERS.

14.2.7 DRIVE STATUS OUTPUTS

The control board has one Form C relay at terminals TB-16, TB-17, and TB-18. Contacts

are rated 2 amps at 28 VDC or 120 Vac.

There are also two open-collector outputs at terminals TB-14 and TB-15. The open-

collector circuit is a current-sinking type rated at 30 VDC and 40 mA maximum. An external

power supply (30 VDC max) must be used to power the open-collector outputs. The drive

does not have a dedicated power supply for the open-collector outputs.

The Form C relay and open-collector outputs can be programmed for many different

status indications. Refer to Parameters 52 - TB14 OUT, 53 - TB-15 OUT, and 54 - RELAY.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 83 84

Sem comentários

Lenze MC3000 Series Manual do Utilizador Página 36