Rockwell Automation 1771-IN ac (24V) Input Module Installation Instructions - Manual (Page 8)

Publication 1771-IN082A-EN-P - February 2005 8 PN 957899-72
Supersedes Publication 1771-2.41 - June 1990 Copyright © 2005 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
Specifications
Specifications ac (24V) Input Module (cat. no. 1771-IN)
Number of Inputs 8
Module Location 1771-I/O Chassis, 1 slot
Nominal Input Voltage 24V ac @ 47-63Hz
Nominal Input Current 7mA @ 12V ac
18mA @ 24V ac
22mA @ 28V ac
Onstate Voltage Range 12V ac to 28V ac
Maximum Offstate Voltage 10.5V ac peak
Maximum Offstate Current 2.8mA ac peak
Input Signal Delay 1 18ms (+10ms), on or off for ac
Isolation Voltage Tested at 1500V dc for 60s between user and system
No isolation between individual channels
Backplane Current 80mA @ 5V dc
Power Dissipation 5.4W maximum, 0.4W minimum
Thermal Dissipation 18.5 BTU/hr maximum, 1.4 BTU/hr minimum
Environmental Conditions
Operating Temperature 0 to 60°C (32 to 140°F)
Storage Temperature –40 to 85°C (–40 to 185°F)
Relative Humidity 5 to 95% noncondensing
Vibration 2g @ 10-500Hz
Enclosure Type Rating None (open-style)
ConductorsWire Size
Category
2
14 to 22AWG (2.0 to 0.34mm
2
) stranded copper wire rated at 75°C
or higher
3/64 inch (1.2mm) insulation maximum
2
Field Wiring Arm Catalog Number 1771-WA
Field Wiring Arm Screw
Torque 7-9 pound-inches (0.8-1.0Nm)
Keying between 4 and 6
between 10 and 12
Certifications (when product
is marked) UL UL Listed Industrial Control Equipment
CSA CSA Certified Process Control Equipment
1 Input off-to-on filter time is the time from a valid input signal to recognition by the module. Input on-to-off filter
time is time from the input signal dropping below the valid level to recognition by the module.
2 You use this category information for planning conductor routing as described in Allen-Bradley
publication 1770-4.1, Industrial Automation Wiring and Grounding Guidelines.