Allen Bradley AC/DC (24V) Input Module | 1771-IND Series B

Installation Data

AC/DC (24V) Input Module
Cat. No. 1771-IND Series B

Specifications

Inputs per Module

16

Module Location

1771-A1B, -A2B, -A3B, -A3B1, -A4B, -AM1, -AM2 I/O chassis

Nominal Input Voltage

24V ac @ 50/60Hz; 24V dc

Nominal Input Current

7.2mA at 24V ac, 60Hz; 6.3mA at 24V ac, 50Hz; 3.8mA at 24V dc

On-state Voltage Range

16V to 30V ac; 9V to 30V dc

Minimum On-state Current

3.0mA at 10V ac, 60Hz; 1.4mA at 9V dc

Maximum Off-state Voltage

5V ac at 50/60Hz; 3.7V dc

Maximum Off-state Current

1.5mA at 5V dc, 60Hz; 0.6mA at 5V dc

Input Impedance

0.68uF in parallel with 6.28K (9.3K ohms at 60Hz); in series with 100 ohms

Peak Inrush Current

V_p/100 ohms, where V_p = customer supply peak voltage

Input Signal Delay

On to Off: (24V ac) 35ms ±10ms; (24V dc) 10ms
Off to On: (24V ac) 45ms ±15ms; (24V dc) 5ms

Power Dissipation

8.3 Watts (max.), 1.3 Watts (min.)

Thermal Dissipation

28.4 BTU/hr (max.), 4.4 BTU/hr (min.)

Backplane Current

250mA @ 5V dc ±5%

Isolation Voltage

1500V ac (rms)

Environmental Conditions

Operational Temperature: 0° to 60°C (32° to 140°F)
Storage Temperature: -40° to 85°C (-40° to 185°F)
Relative Humidity: 5 to 95% (without condensation)

Conductors Wire Size

14 gauge stranded maximum
3/64 inch insulation maximum

Category

Between 20 and 22

Field Wiring Arm

Catalog Number 1771-WH

Wiring Arm Screw Torque

7-9 inch-pounds

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