HGR-87-040-C AutomationDirect

HGR-87-040-C AutomationDirect Analog Output Modules

Product  Description：

AutomationDirect Analog Output Modules, available across popular PLC lines such as the Productivity series, Do-more BRX, and DirectLOGIC, are high-precision industrial components designed to convert digital values from a PLC CPU into continuous, variable electrical signals. These modules serve as the command interface for field devices that require variable control rather than simple on/off states, allowing the automation system to precisely dictate the positioning, speed, or intensity of connected hardware.

Product Parameters

The technical parameters of AutomationDirect Analog Output Modules vary by product family, but typically conform to the following industry standards:

• Output Signal Ranges: Software-selectable options including current loops of 4-20mA and 0-20mA, as well as bipolar/unipolar voltage ranges of 0-5V DC, 0-10V DC, minus 5 to plus 5V DC, and minus 10 to plus 10V DC.

• Resolution Architecture: High-accuracy digital-to-analog conversion spanning 12-bit, 14-bit, or 16-bit, allowing for up to 65,536 distinct output steps for ultra-fine control.

• Channel Density: Available in configurations of 2, 4, 8, or 16 channels per module to accommodate varying system sizes and enclosure space constraints.

• Update Time: Fast signal conversion speeds, with typical channel update times ranging from less than 1 millisecond to 5 milliseconds across all channels.

• Load Impedance Limits: Voltage outputs support a minimum load resistance of 1k Ohm, while current loops typically support maximum loop resistances ranging from 500 Ohms to 1k Ohm at 24V DC.

• Diagnostics and Indicators: Equipped with module-powered status indicators for active channels, loop power supply faults, and missing external 24V DC auxiliary power.

Product Advantages

AutomationDirect Analog Output Modules are engineered to deliver reliable performance combined with the brand's hallmark ease of use:

• Cost-Effective Precision: Delivers high-resolution signaling that rivals expensive legacy platforms at a fraction of the market cost, maximizing return on investment.

• Toolless Configuration: Eliminates the need for physical hardware jumpers or dip switches; all signal ranges, scaling parameters, and fail-safe behaviors are configured entirely within the free programming software.

• Advanced Fail-Safe States: Features programmable output behavior in the event of a PLC CPU stop or communication loss, allowing users to choose whether each channel holds its last value or drops to a specific safe value.

• Removable Terminal Blocks: Most modules utilize hot-swappable or removable terminal connectors, allowing maintenance technicians to replace a faulty module rapidly without rewiring the field lines.

• Robust Isolation Protection: Built with robust optocoupler isolation between the low-voltage PLC backplane and the high-voltage field wiring, protecting the core control system from external electrical anomalies.

Product Applications

These modules are deployed across diverse automated systems requiring variable control:

• Modulating Valve Actuators: Regulating the precise opening percentage of control valves in chemical, water treatment, and food processing pipelines to manage fluid dynamics.

• Variable Frequency Drive Speed Control: Providing 0-10V or 4-20mA speed reference commands to VFDs managing conveyor belts, industrial fans, and centrifugal pumps.

• Proportional Hydraulic and Pneumatic Valves: Controlling fluid power systems in heavy machinery, metal stamping presses, and injection molding equipment.

• Temperature Control Loops: Sending analog signals to SCR power controllers to vary the intensity of industrial heating elements in ovens and kilns.

• Remote Setpoint Retransmission: Sending physical process variables or setpoint values from a master control cabinet to chart recorders, remote displays, or secondary control systems.

Important Precautions

To prevent hardware damage and maintain optimal signal integrity, the following implementation guidelines must be observed:

• External Power Requirement: Most analog output modules require a separate, clean external 24V DC power supply to drive the output current loops. Ensure this power is wired correctly and active before booting the PLC.

• Shielding and Noise Mitigation: Always utilize high-quality shielded twisted-pair (STP) cabling for analog signals. Ground the cable shield at a single point, preferably at the control panel chassis ground, to prevent ground loop currents from introducing signal distortion.

• Separation of Wire Conduits: Do not route analog signal cables through the same wire duct or conduit as high-voltage AC lines or motor power cables. Maintain a minimum separation of 150 millimeters to avoid electromagnetic interference.

• Load Impedance Matching: Verify that the total loop resistance of the connected field device does not exceed the module's maximum current loop rating, or conversely, drop below the minimum voltage load rating. Incorrect impedance will cause clipping or module thermal faults.

• Hot-Swapping Restrictions: Unless explicitly stated in the specific user manual for advanced modules like the Productivity2000 series, do not insert or remove modules from the PLC base while the system power is active to prevent backplane arcing.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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