Specifications
TTL Output Module
Cat. No. 1771OG
Installation Instructions
8
Outputs per Module
8
Module Location
1771 I/O chassis
Output Voltage Range
HIGH = TRUE
LOW = TRUE
ON: 2.0 to 5.25V dc
OFF: -0.2 to +0.8V dc
ON: -0.2 to +0.8V dc
OFF: 2.0 to 5.25V dc
Maximum Output Current
Source: 1mA; Sink: 20mA
Customer Supply Voltage
5V dc (+0.25V)
50mV peaktopeak ripple max.
Customer Supply Current per Module
250mA max.
Output Signal Delay
Less than 1ms
Power Dissipation
2.2 Watts (max.); 0.8 Watts (min.)
Thermal Dissipation
7.5 BTU/hr (max.); 2.7 BTU/hr (min.)
Backplane Current
168mA max.
Isolation Voltage
Tested at 1500V ac (rms) for 1 second
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
Cable
Category
14 gauge stranded maximum
3/64 inch insulation maximum
Shielded, (Belden 8761)
2
1
Keying
Between 6 and 8
Between 10 and 12
Field Wiring Arm
Catalog Number 1771WC
Wiring Arm Screw Torque
79 inchpounds
1
Refer to publication 17704.1 ``Programmable Controller Wiring and Grounding Practices."
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Publication 17712.177 January 1994
Supersedes Publication 17712.131 - May 1989
PN 95510767
Copyright 1994 AllenBradley Company, Inc. Printed in USA