Specifications, Back cover, Worldwide representation – Rockwell Automation 1771-ICD DC(20-60V)Input Module Installation Instructions User Manual
Page 8
Specifications
8
DC (20-60V) Input Module Cat. No. 1771-ICD Series B
Publication 1771-5.29 – February 2000
Inputs per Module
16
Module Location
1771-A1B, -A2B, -A3B, -A3B1, -A4B or later I/O
chassis; 1771-AM1, -AM2
Input Voltage Range
20 to 60V dc
Minimum Input Current
2mA at 20V dc; 6mA at 60V dc
Minimum Off-state Current
1.2mA @ 12V dc
Maximum Off-state Voltage
12V dc
Minimum On-state Voltage
20V dc
Input Impedance
10K ohms maximum
Input Signal Delay
Low to high propagation delay - 6ms( +2ms)
High to low propagation delay - 20ms (+1ms)
Power Dissipation
5.9 Watts (max.), 1.3 Watts (min.)
Thermal Dissipation
19.93 BTU/hr (max.), 4.3 BTU/hr (min.)
Backplane Current
250mA @ 5V dc +5%
Isolation Voltage
Isolation meets or exceeds UL Standard 508, and CSA
Standard C22.2 No. 142.
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
0
o
to 60
o
C (32
o
to 140
o
F)
-40
o
to 85
o
C (-40
o
to 185
o
F)
5 to 95% (without condensation)
Conductors
Wire Size
Category
14 gauge (2mm
2
) stranded maximum
3/64 inch (1.2mm) insulation maximum
1
1
Keying
Between 10 and 12
Between 18 and 20
Field Wiring Arm
Catalog Number 1771-WH
Wiring Arm Screw Torque
7-9 inch-pounds
Agency Certification
(when product is marked)
•
CSA certified
•
CSA Class I, Division 2, Groups A, B, C, D certified
•
UL listed
•
CE marked for all applicable directives
•
C–Tick marked for all applicable acts
1
Refer to publication 1770-4.1, Programmable Controller Wiring and Grounding Guidelines.
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Allen-Bradley Headquarters, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 382-2000 Fax: (1) 414 382-4444
Publication 1771-5.29 – February 2000
Supersedes publication 1771-5.29 – October 1995
PN955122–75B
Copyright 2000 Allen-Bradley Company, Inc. Printed in USA