The Allen-Bradley 1756-OA8 module is a robust digital AC output module designed for the ControlLogix platform, offering eight channels divided into two groups, each independently operable within a voltage range of 74 to 265 Volts AC and frequencies from 47 to 63 Hertz. Known for its versatility and reliability, it features a current rating of 2 Amps per point at up to 60 degrees Celsius, with a surge capability of 20 Amps for short durations. This module supports seamless integration with various ControlLogix communication modules and can be installed in either a local or remote chassis, making it ideal for complex automation systems requiring precise electrical component control.
Technical specifications for 1756-OA8
Manufacturer
Rockwell Automation
Brand
Allen-Bradley
Series
ControlLogix
Part Number/Catalog No.
1756-OA8
Outputs
8
Module Type
Digital AC Output Module
Voltage
120-240 Volts AC
No. of Outputs
Eight (8
Voltage Category
120 / 240 Volts AC
Maximum Output Current Rating-Point
2 Amps at 60 degrees Celsius
Operating Voltage Range
74-265 Volts AC
Maximum Output Current Rating-Module
5 Amps at 30 degrees Celsius, 4 Amps at 60 degrees Celsius
Output Delay Time
Programmable 9.3 or 11 milliseconds
Current per point
0.5 A @ 60 °C (140 °F)
Current per group, max
2 A @ 60 °C (140 °F)
Removeable Terminal Block(s)
1756-TBNH, 1756-TBSH
Current per module
5 A @ 30 °C (86 °F) linear derating; 4 A @ 60 °C (140 °F) linear derating
