Control Terminals - Schneider Altivar 28 Manual De Usario

Wiring

Control terminals

Arrangement, specifications and functions of the control terminals
Terminal Function
R1A Common point C/O contact
R1B (R1C) of R1 fault relay
R1C
R2A N/O contact of R2
R2C programmable relay
COM I/O common
AI1 Analog voltage input
+10 Power supply for potentiometer
1 to 10 kΩ
AI2 Analog voltage input
AIC Analog current input
AI2 or AIC are assignable
Use either, but not both
AO Analog output
LI1 Logic inputs
LI2
LI3
LI4
+ 24 Logic input power
supply
Electrical specifications
Min. switching capacity
• 10 mA for 5 Va
Max. switching capacity on inductive load
(cos ϕ = 0.4 and L/R = 7 ms) :
• 1.5 A for 250 Vc and 30 Va
Analog input 0 + 10 V (max. safe voltage 30 V/min. safe voltage -0.6 V)
• impedance 30 kΩ
• resolution 0.01 V, 10-bit converter
• precision ± 4.3%, linearity ± 0.2%, of max. value
• acquisition time 5 ms max.
+10 V (+ 8 % - 0), 10 mA max, protected against short-circuits and
overloads
Analog input 0 + 10 V, impedance 30 kΩ
Analog input X - Y mA. X and Y can be programmed from 0 to 20 mA,
impedance 250 Ω
Resolution, precision, and acquisition time of AI2 or AIC = AI1
Output can be programmed for 0 - 20 mA or 4 - 20 mA
• Precision ± 6% of the max. value, max. load impedance 500 Ω
Programmable logic inputs
• + 24 V power supply (max. 30 V)
• Impedance 3.5 kΩ
• State 0 if < 5 V, state 1 if > 11 V
• Acquisition time 9 ms max.
+ 24 V protected against short-circuits and overloads, min. 19 V, max.
30 V. Max. customer current available 100 mA
- Maximum connection capacity :
1.5 mm2 - AWG 16
- Max. tightening torque :
0.5 Nm
60