Installation Instructions Manual

Specifications
AC (120V) Isolated Output Module, 16 Outputs12
Publication 17715.21 -February 1997
Outputs per Module 16 isolated
Module Location 1771A1B thru A4B I/O Chassis
Voltage Rating 74 to 138V ac, 4763Hz
Current Rating (per channel) 5mA2A continuous (max)
20A peak surge for 100ms; repeatable every 2 seconds
8A continuous per module (maximum)
Power Rating 3 Watts per output (max) @ 2A
Onstate Voltage Drop (each output) 5.8V rms (max.) @ load current <50mA
1.5V rms (max.) @ load current >50mA
Offstate Leakage Current 3.0mA max. @ 138V ac
Signal Delay Times Off to On
On to Off
8.3ms @ 60Hz max; 10ms @ 50Hz max
8.3ms @ 60Hz max; 10ms @ 50Hz max
(zero cross switching)
Power Dissipation 13.25 Watts (max); 1.25 Watts (min)
Thermal Dissipation 45.2 BTU/hr (max); 4.3 BTU/hr (min)
Backplane Current 250mA maximum
Isolation Voltage Tested at 2500V dc for 1 second per UL508 & CSA C22.2 #142
Maximum Cable Length 1000 ft (304.8 m)
Conductors Wire Size
Category
14 gauge (2mm
2
) stranded maximum
3/64 inch (2mm) insulation maximum
1
1
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)
Keying Between 22 and 24
Between 34 and 36
Field Wiring Arm Catalog Number 1771WN
Wiring Arm Screw Torque 79 inchpounds
Fuses 3A 2AG SloBlo fuses (1 per output), Littelfuse P/N 229003
(Optional Fuse Kit, Cat. No. 1771FE contains 5 fuses)
Agency Certification
(when product or packaging is
marked)
• CSA certified
• CSA Class I, Division 2, Groups A, B, C, D certified
• UL listed
• CE marked for all applicable directives
1
Refer to publication 17704.1, Programmable Controller Wiring and Grounding Guidelines
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Publication 17715.21 - February 1997 PN 955123-04
Copyright 1997 AllenBradley Company , Inc. Printed in USA