The Allen-Bradley 1746-OA16 module is an SLC 500 I/O module. Specifically, it is an AC output module with 16 output channels. The voltage category of the output channels is 120/240 Volts AC. The operating voltage range is 85 to 265 Volts AC at 47 to 63 Hertz. The rated backplane current consumption of the 1746-OA16 module is 0.370 Amps at 5 Volts DC. The signal delay with the maximum resistive load is 1 millisecond for the on-state and 11 milliseconds for the off-state. The maximum off-state leakage current is 2 milliamps. The rated continuous current per output point is 0.5 Amps at 30 degrees Celsius and 0.25 Amps at 60 degrees Celsius. The maximum continuous current per output point is 8.0 Amps at 30 degrees Celsius and 4.0 Amps at 60 degrees Celsius.
Technical Specifications for 1746-OA16
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Series | SLC 500 |
| Part Number | 1746-OA16 |
| Product Type | Output Module |
| Output Channels | 16 |
| Voltage Category | 120/240 Volts AC |
| Voltage Range | 85 to 265 Volts AC |
| Current Consumption | 0.37 Amps at 5 Volts DC |
| Maximum Off-State Leakage | 2 milliamps |
| Continuous Current per Output Point | 0.5 Amps at 30 degrees Celsius |
| Maximum Continuous Current per Point | 8 Amps at 30 degrees Celsius |
About 1746-OA16
The Allen-Bradley 1746-OA16 is a Digital AC output module designed for use with the SLC500 controller family. This output modules provides 120-240VAC nominal voltage output with voltage range of 85-264VAC at a frequency of 47-63 Hz.
It may be installed as a local and remote I/O module of any SLC500 Programmable Logic Controllers (PLC) processor or CompactLogix and ControlLogix Programmable Automation Controllers (PAC). There is no limit to the number of installation instances of this module as long as the system power supply is capable of supplying the required current of each module installed in the same chassis. Specifically, the 1746-OA16 has a Current draw of 0.316 A. This module occupies a single slot of the controller chassis and consumes 16-bit I/O memory.
The 1746-OA16 comes with Two (2) output groups with each group having Eight (8) channels. Each channel of this module has an output Current of 0.50 A @ 30 °C (86 °F) and 0.25 A @ 60 °C (140 °F) with continuous output per module of 8.0 A @ 30 °C (86 °F) and 4.0 A @ 60 °C (140 °F). It has an On-sate voltage drop of 1.50V @ 0.50 A and surge Current per point of 10.0 A for 25 ms while the module's load Current is 10 mA. The 1746-OA16 has an ON signal delay of 1 ms and OFF signal delay of 11.0 ms with OFF-state leakage Current of 2 mA. The 1746-OA16 comes with removable terminal blocks that eliminate the need to disconnect wires when replacing any of the modules. The 1746-OA16 also includes filter circuitry and optical coupling for signal noise reduction. The 1746-OA16 module's output values can be accessed by SLC 500 processors using Ladder Logic. Troubleshooting is made easier with the LED indicators that show output status values. The SLC 500 system uses a sharing-based hardware platform which includes several combinations of digital and analog I/O, saving costs and space. The 1746-OA16 is intended for use in an environment with a 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) operating temperature range and 5 to 95% noncondensing relative humidity.
Frequently Asked Questions (FAQs)
What is the 1746-OA16's ambient operating temperature?
The 1746-OA16's ambient operating temperature is from 32 to 140 degrees Fahrenheit.
What is the 1746-OA16's ambient relative humidity?
The 1746-OA16's ambient relative humidity is 5 to 95%.
What is the 1746-OA16's operating voltage?
The 1746-OA16's operating voltage is 85 to 265 Volts AC.
What is the 1746-OA16's operating frequency?
The 1746-OA16's operating frequency is 47 to 63 Hertz.
What is the 1746-OA16's backplane current load?
The 1746-OA16's backplane current load is 0.37 Amps at 5 Volts DC.
How many connections can the 1746-OA16 support?
The 1746-OA16 can support up to 8 connections.
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