The 1769-OA8 is a Compact I/O module that is used with MicroLogix 1500 and 1769 CompactLogix family of controllers. This module is a single slot width module that features Eight (8) AC input channels operating at a voltage category of 100/240V AC.

This module may also be used with DeviceNet and Ethernet communication adapter with part numbers 1769-ADN and 1769-AENTR respectively. This module is typically used to drive AC loads such as magnetic contactors, AC relays, Variable Frequency Drives (VFD), Motor Starters, Solenoid actuators, Pilot lamps and other devices.
Depending on the controller used, the programming softawre for this module varies. These parameters include module inhibition, packet interval, slot assignment and revision number.

The input channels of this module are grouped in Two (2), having Four (4) channels. Each group is provided with an independent AC common terminal. One group may operate in different voltage categories or both groups may have the same voltage category. Input group 1 are the first half of the 8 inputs specifically, channels 0, 1, ,2 and 3 while the remaining channels are input channels 4, 5, 6 and 7 which make up group 2.

When installing this module to a CompactLogix assembly, this module must not be installed more than Eight (8) modules away from the power supply. This requirement refers to the Power Supply Distance Rating. If installed with MicroLogix, this module is installed after the base unit, connected by a ribbon cable to establish communication bus connection.

 

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Technical Data .pdf

 

Manufacturer Rockwell Automation / Allen-Bradley
Brand Allen-Bradley
Part Number/Catalog No. 1769-OA8
Product Type: Compact I/O
Product Line CompactLogix
Module Type Output Module
Compatible Controllers: MicroLogix 1500; 1769 CompactLogix
Input Type Analog Output
No. of Inputs: 8
Communication Cable 8 Point
Power Supply Distance Rating 8
No. of Groups: 2 groups (4 inputs each)
Shipping Weight 2 lbs.
Voltage Category 120-240 VAC
Shipping Dimensions 8x8x5 in.
Operating Voltage range: 85V ac to 265VAC
Series A and B
Operating frequency: 47 to 63 Hz
Signal delay: Turn-on = 1/2 cycle turn-off = 1/2 cycle
Wire Size (Solid) 22 o 14 AWG
Bus Current draw, max: 145 mA at +5V dc line (1.125W)
Wire Size (Stranded) 22 to 16 AWG
Heat Dissipation: 2.12 Watts
Wire size: (22…14 AWG) solid (22…16 AWG) stranded
Mounting: DIN Rail; Panel Mount
Power supply: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4

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