1771-OBN | Digital DC Output Module

Description

Description: Allen Bradley PLC 5 Digital DC Output Module, 32 (4 sets of 8), 10-30 Volts DC Operating Voltage, 330 Miliamperes Backplane Current

Technical Specifications for 1771-OA

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	1771-OBN
Module Type	Digital DC Output Module
Number of Outputs	32 (4 sets of 8)
Voltage Category	10-60 Volts DC, Source
DC Operating Voltage	10-30 Volts
Backplane Current	330 Miliamperes
Max Continuous Current Per Output	0.5 Amperes (2 A/set)

Max Continuous Current Per Module	8 Amperes
Wiring Arm	1771-WN
Coating	Conformal Coat
Data Format	BDC or Natural Binary
Typical AC Signal Delay (Off)	45 (+/- 15) ms
Typical DC Signal Delay (Off)	50 ms
Wiring Arm	1771-WH
Mounting	Rack Mountable

This digital DC Output Module, 1771-OBN, by Allen Bradley, is supplied as open-type equipment, not intended for an industrial environment greater than Pollution 2 when applied in a Zone 2 environment; it should only be accessible by using the appliance, as it contains components that are susceptible to damage by electrostatic discharge. Its electrostatic discharge is 4 kV on contact and 8 kV through the air. The isolation voltage of this unit is around 1500 Volts of AC RMS; it comes with four groups of eight outputs, making a total of thirty-two (32) outputs with an output voltage range between 10 and 30 Volts of DC power; its output current rating is 0.5 A per output, its maximum backplane current is330 mA at 5 Volts of DC, and its isolation voltage has been tested for sixty seconds to withstand up to 500 Volts.

The 1771-OBN unit has a maximum “ON” state voltage drop of 1.5 Volts of DC power at 0.5 A, while its maximum leakage current during its “OFF” state is 1 mA per output. It dissipates about 13.7 Watts maximum and 1.7 Watts minimum of power, and its Thermal dissipation is 46.7 BTU per hour at maximum and 5.7 BTU per hour at its minimum. This unit can be stored at any temperature between -40 and 185 degrees Fahrenheit (-40 to 85 degrees Celsius), and operates at temperatures between 32 and 140 degrees Fahrenheit (0 and 60 degrees Celsius). It can withstand a relative humidity of around 5 to 95%, without condensing, and has four fuses of 4.0 A, 250 Volts normal blow fuses (1 per group).

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