Schneider Electric Altivar 12 Manual De Usuario

24

BBV28581  05/2010

R1A

NO contact of the relay

Min. switching capacity: 
• 5 mA for 24 V 

c

Maximum switching capacity:
• 2 A for 250 V 

a 

and for 30 V 

c 

on inductive load

(cos 

ϕ = 0.4 and L/R = 7 ms)

• 3 A for 250 V 

a 

and 4 A for 30 V 

c

 on resistive load

(cos 

ϕ = 1 and L/R = 0)

• response time: 30 ms maximum.

R1B

NC contact of the relay

R1C

Common pin of the relay

COM

Common of analog and logic I/Os

AI1

Voltage or current analog input

• resolution: 10 bits
• precision: ± 1% at 25°C (77°F)
• linearity: ± 0.3% (of full scale)
• sampling time: 20 ms ± 1 ms
Analog voltage input 0 to +5 V or 0 to +10 V 
(maximum voltage 30 V) impedance: 30 k

Ω

Analog current input x to y mA, impedance: 250 

Ω

5V

+5 VDC power supply for reference potentiometer

• precision: ± 5%
• maximum current: 10 mA

AO1

Voltage or current analog output (collector)

• resolution: 8 bits
• precision: ± 1% at 25°C (77°F)
• linearity: ± 0.3% (of full scale)
• refresh time: 4 ms (maximum 7 ms)
Analog voltage output: 0 to +10 V (maximum voltage +1%)
• minimum output impedance: 470 

Ω

Analog current output: x to 20 mA
• maximum output impedance: 800 

Ω

LO+

Logic output

• voltage: 24 V (maximum 30 V)
• impedance: 1 k

Ω, maximum 10 mA (100 mA in open collector)

• linearity: ± 1%
• refresh time: 20 ms ± 1 ms.

LO-

Common of the logic output (emitter)

LI1
LI2
LI3
LI4

Logic inputs

Programmable logic inputs
• +24 VDC power supply (maximum 30 V)
• impedance: 3.5 k

Ω

• state: 0 if < 5 V, state 1 if > 11 V in positive logic
• state: 1 if < 10 V, state 0 if > 16 V or switched off (not connected) 
in negative logic
• sampling time: < 20 ms ± 1 ms.

+24V

+ 24 VDC supply provided by the drive

+ 24 VDC -15% +20% protected against short-circuits and 
overloads. 
Maximum customer current available 100 mA