Schneider Electric Altivar 12 Manual De Usuario

30

BBV28581  05/2010

The Altivar 12 is factory-set for the most common operating conditions (motor rating according to drive rating):

• Display: drive ready (

rdY

) motor stopped or motor frequency reference while running

• Automatic adaptation of the deceleration ramp in the event of overvoltage on braking.
• No automatic restarting after a detected fault is cleared
• Logic inputs:

- LI1: forward (2-wire transitional control)
- LI2, LI3, LI4: no assignment

• Logic output: LO1: no assignment
• Analog input: AI1 (0 to + 5 V) speed reference
• Relay R1: the contact opens in the event of a detected fault (or drive off)
• Analog output AO1: no assignment

If the above values are compatible with the application, the drive can be used without changing the settings.

(1) R1 relay contacts, for remote indication of the drive status.
(2) Internal + 24 V 

c

. If an external source is used (+ 30 V 

c

 maximum), connect the 0 V of the source to the COM terminal, and do not

use the + 24 V 

c

 terminal on the drive.

(3) Reference potentiometer SZ1RV1202 (2.2 k

Ω

) or similar (10 k

Ω  

maximum).

(4) Forward

50 Hz

230 V

3 seconds

3 seconds

0 Hz

45
89

50 Hz

Standard U/F law

100%

Ith

equal to nominal motor current (value determined by drive rating)

0.7 x nominal drive current, for 0.5 seconds.

4 kHz

U/T1

V/T2

W/T3

P

A

 / +

COM

AI1

+5V

AO1

U1

W1

V1

M

 3 a

LI1

LO+

LO-

COM

R1B

R1C

LI2

LI3

LI4

+24 V

PC / -

R1A

R/L1

S/L2

T/L3

(1)

(3)

(2)

(4)

a

c

b

ATV12

pppp

M3

3-phase 

motor

Source