0GH-AO300
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The 0GH-AO300 is an Analog Output Module manufactured by B & R Automation. It is part of the 0GH PLC Modules series, offering 4 analog output channels with a resolution of 12 bits. The output range supports 0-10 V DC or 4-20 mA. The module operates at 24 V DC and supports DIN rail mounting.
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Product Description:
The 0GH-AO300 PLC Module of B & R Automation has 4 analog output channels, and each channel operates independently to allow several analog signals to be generated at the same time. The 2 status LEDs are included on the front panel of this module to offer instant visual indication of operating status.
This module’s accuracy of the output voltage is ±0.1% of full scale to ensure fewer errors in voltage signal delivery. Similarly, the accuracy for the current output of this module is ±0.2% of full scale to guarantee safe signal transmission for current loop-based systems. The load resistance for current output of this module is 500 ohms maximum, compatible with most standard industrial current loop equipment. This module includes channel-to-bus isolation rated at 500 V AC that provides electrical separation between outputs and the system bus to enhance overall signal integrity. The response time of the 0GH-AO300 module is typically 10 milliseconds to allow for timely updates of signals in dynamic control applications. The 2-digit, 7-segment display is built into this module, which facilitates direct readout of output values or diagnostic error codes.
This module is capable of driving two kinds of analog output signals: 0–10 V DC and 4–20 mA, to provide versatility for communication with devices that have either voltage or current-based signals. This module is driven by a 24 V DC power supply, which is the industry standard for industrial automation systems to provide easy power integration. The hardware of this module is DIN rail mountable, offering reliable mounting and optimal space utilization inside control cabinets. The 0GH-AO300 module can be operated in temperatures ranging from 0 to 55°C to be deployed in various industrial indoor settings without compromising performance.
Frequently Asked Questions about 0GH-AO300:
Q: How does the 500 V AC channel-to-bus isolation benefit system safety?
A: It protects the PLC system from voltage surges and electrical faults. This isolation ensures signal integrity and prevents damage to internal components.
Q: Why is the 10 ms response time important in the 0GH-AO300 module?
A: It allows the module to update output signals quickly in real-time systems. This is essential for applications requiring fast process adjustments.
Q: How do the status LEDs on the 0GH-AO300 assist with diagnostics?
A: They provide immediate visual cues on the operating condition or fault state. This reduces downtime by enabling faster fault identification.
Q: What is the role of the 2-digit, 7-segment display on the 0GH-AO300?
A: It displays output data or error codes directly on the module. This allows quick local monitoring without external tools.
Q: Why does the 0GH-AO300 support both 0–10 V DC and 4–20 mA outputs?
A: It increases flexibility in connecting to a variety of industrial devices. Users can select the signal type based on the application requirements.
