Rockwell Automation 1771-IND series C INSTL INSTR AC/DC INPUT MODULE - Manual (Page 11)

Digital ac/dc (24V) Input Module 11
Publication 1771-IN052B-EN-P - April 2006
Specifications
ac/dc (24V) Input Module Catalog Number 1771-IND/C
Attribute Value
Module Location 1771-A1B, 1771-A2B, 1771-A3B, 1771-A3B1, 1771-A4B or later I/O chassis
1771-AM1, 1771-AM2 I/O chassis
Input Voltage, Nom Input voltage: 24V ac, 50…60 Hz; 24V dc
Input Current, Nom 9.1 mA @ 24V ac, 60 Hz;
8.1 mA @ 24V ac, 50 Hz;
3.2 mA @ 24V dc
On-state Voltage Range 16…30V ac;
12…30V dc
On-state Current, Min 6 mA @ 60 Hz;
1.5 mA @ 12V dc
Off-state Voltage, Max 5V ac @ 50…60 Hz
Off-state Current, Max 0.39 mA @ 5V ac, 60 Hz;
0.39 mA @ 5V dc
Input Impedance 0.68 mF in parallel with 6.6 K (3.9 k Ω at 60 Hz); in series with 100 Ω
Peak Inrush Current V
ps
/100 Ω, where V
ps
= customer supply peak voltage
Input Signal Delay Off to On
On to Off
5 ms (+3 ms) or 20 ms (+5 ms) @ 24V ac 60 Hz selectable
3 ms (+0.1 ms) or 10 ms (+1 ms) @ 24V dc selectable
25 ms (+5 ms) @ 24V ac or dc
Power Dissipation 8.3 W max, 1.3 W min
Thermal Dissipation 28.4 BTU/hr max, 4.4 BTU/hr min
Backplane Current 250 mA @ 5V dc +5%
Isolation (Continuous Voltage
Rating) 30V, basic
Tested at 500V ac rms for 60 s input to system
No isolation between individual channels
Enclosure Type Rating None (open-style)
Conductors Wire Size
Category (1)
(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring and
Grounding Guidelines, Allen-Bradley publication 1770-4.1.
2.5 mm 2 (14 AWG) stranded or solid copper wire max
1.2 mm (3/64 in.) insulation max
1 - on signal ports
Keying Band Location Between 10 and 12
Between 14 and 16
Field Wiring Arm Catalog number 1771-WH
Wiring Arm Screw Torque 1.0 Nm (9 lb-in.)