Specifications – Rockwell Automation 1771-IAD AC/DC (120V)Input Installation Instructions User Manual
Page 11

Specifications
AC/DC (120V) Input Module
11
Publication 1771ĆIN023B-EN-P - August 2002
Inputs per Module
16
Module Location
1771 Series B or later I/O chassis, 1771ĆAM1, ĆAM2 chassis
Nominal Input Voltage
120V ac @ 50/60Hz; 125V dc
Nominal Input Current
9.9mA @ 120V ac 60Hz;
8.7mA @ 120V ac 50Hz;
2.56mA @ 125V dc
OnĆstate Voltage Range
79V to 138V ac or dc
Minimum OnĆstate Current
5.95mA @ 79V ac 60Hz; 1.5mA @ 79V dc
Maximum OffĆstate Voltage
43V ac or dc
Maximum OffĆstate Current
3.0mA @ 43V ac 60Hz; 0.8mA @ 43V dc
Input Impedance
11.2K ohms @ 60Hz (0.18 microfarad in parallel with 47K ohms,
in series with 820 ohms)
Peak Inrush Current
Inrush = V
PS
/820 ohm, where V
PS
= customer supply peak voltage
Input Signal Delay Off to On
On to Off
5ms (+3ms) or 20ms (+5ms) @ 120V ac 60Hz selectable
3ms (+.1ms) or 10ms (+1ms) @ 120V dc selectable
25ms (+5ms) @ 120V ac or dc
Power Dissipation
8.8 Watts (max.), 1.0 Watts (min.)
Thermal Dissipation
30.1 BTU/hr (max.), 3.42 BTU/hr (min.)
Maximum Adjacent Slot Power
Dissipation
17W
Backplane Current
195mA @ 5V
Isolation Voltage
Tested to 2500V dc for 1s
Environmental Conditions
Operating
Temperature
IEC 60068-2-1 (Test Ad, Operating Cold)
IEC 60068-2-2 (Test Bd, Operating Dry Heat)
IEC 60068-2-14 (Test Nb, Operating Thermal Shock)
32 to 131
°
F (0
o
to 60
o
C)
Storage Temperature
IEC 60068-2-1 (Test Ab, Unpackaged, Nonoperating Cold)
IEC 60068-2-2 (Test Bb, Unpackaged, Nonoperating Dry Heat)
IEC 60068-2-14 (Test Na, Unpackaged, Nonoperating Thermal Shock)
-40 to 185
°
F (-40 to 85
o
C)
Relative Humidity
IEC 60068-2-30 (Test Db, Unpackaged, Nonoperating Damp Heat)
5 to 95%, noncondensing
Enclosure Type Rating
None (open-style)
Keying
Between 10 and 12
Between 14 and 16
Field Wiring Arm
1771ĆWH
Wiring Arm Screw Torque
9 pound-inches (1.0Nm)
Specifications continuedon next page.