1771-OA 1771OA AB AB Digital Output Module

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Product Details

The Allen Bradley 1771-OA is an AC Output Module. This module contains the circuitry needed to control the on/off status of eight user devices. The device can be a motor starter, indicator, and solenoid motor; its output can drive the AB Size 4 starter motor, providing that the supply voltage does not drop below 92 Volts of AC power. The maximum load current that this unit can provide is 1.5 A per channel, not more than 6 A total per module. A power supply connected to the I/O backplane chassis is required to power the unit; it requires a maximum current of 210 mA at 5 Volts of DC power. The total requirements of this module are currently with other modules in the I/O chassis to avoid oversupply or rear axis I/O chassis.

The 1771-OA has eight fluorescent status indicators that show the state of each output. These indicators light up when the appropriate output is energized. It also has an indicator that displays the fuse condition that is blown at each output regardless of the output state. This indicator is powered by the power supply of the user's device. The Output Voltage Range of this unit ranges between 92 and 138 Volts of AC at 47 to 63 Hertz while its output current rating is 1.5 A per output. This unit can handle a maximum surge current of 4 A per output for 8.3 milliseconds at 120 Volts AC. Its"on" state Voltage drop at 100 mA is 2 Volts. Its maximum "off" state leakage current at 120 Volts AC is 5 mA per output. Do not disconnect this module unless power has been switched off.

Main Products

The advantage brands and series of our company are as follows:

【Honeywell】Module DCS / PLC
【Emerson / Delta V】Module

【ABB】Input Output Module
【AB】Module / Touch Screen

【GE/Fanuc】IC69 Series PLC
【Bently Nevada】3500 system
【Yokogawa】Pressure Transmitter
【Yaskawa】Servo Drive / Servo Motor

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