AutomationDirect C0-02DR-D Programmable Logic Controller

The AutomationDirect C0-02DR-D is a compact, all-in-one Programmable Logic Controller (PLC) from the Koyo CLICK series. It's designed to provide affordable and reliable control for small to medium-sized industrial automation applications. This specific model features a combination of discrete DC inputs, relay outputs, and built-in analog input/output capabilities, along with multiple communication ports, making it a versatile choice for a wide range of control tasks.

Product Detailed Description

• Integrated I/O: The C0-02DR-D is a "brick-style" PLC, meaning it has a fixed set of I/O points built directly into the CPU unit, reducing the need for separate modules for basic applications. It includes:

• 4 DC inputs (NPN/PNP selectable for flexibility).

• 4 Relay outputs, suitable for directly controlling various loads (AC or DC).

• 2 Analog inputs (voltage or current selectable).

• 2 Analog outputs (voltage or current selectable).

• Processing Power: Despite its compact size, it features an 8K steps of Flash EEPROM program memory and 8K words of data memory, allowing for moderately complex ladder logic programs.

• Communication: It comes equipped with two RS232C serial ports and one RS485 serial port. These ports support Modbus (RTU and ASCII) protocols, enabling communication with HMIs, other PLCs, VFDs, and various industrial devices. One of the RS232C ports is typically used for programming, while the others can be used for communication.

• Real-Time Clock (RTC): A built-in Real Time Clock/Calendar is included, which is useful for time-stamping data, scheduling events, or implementing time-based control.

• Programming: Programmed using easy-to-use ladder logic, utilizing AutomationDirect's free CLICK PLC programming software. The instruction set is designed for simplicity and efficiency, with powerful instructions for math and data manipulation.

• Memory Retention: User data is retained by a built-in super-capacitor for up to 3 weeks, and can be extended up to 5 years with an optional battery (D2-BAT-1).

• Expandability: While an all-in-one unit, it is expandable with a total of up to 8 additional I/O modules, allowing for up to 142 I/O points in total, increasing its versatility for growing applications.

Product Parameters

• CPU: Koyo CLICK Analog PLC

• Power Supply: 24 VDC (20 ~ 28 VDC) required

• Discrete Inputs:

• 4 points, 24 VDC

• NPN/PNP (sinking/sourcing) selectable

• 1 common

• All inputs can also be used as interrupt inputs.

• Discrete Outputs:

• 4 points, Form A (SPST) relays

• Rated: 6-27 VDC, 6-240 VAC

• Current: 1.0 A per point (resistive load)

• 1 common

• Analog Inputs:

• 2 channels, 12-bit resolution

• Selectable per channel: 0-5 VDC or 4-20 mA

• Conversion Time: 1 ms

• Analog Outputs:

• 2 channels, 12-bit resolution

• Selectable per channel: 0-5 VDC or 4-20 mA

• Conversion Time: 1 ms

• Program Memory: 8K steps (Flash EEPROM)

• Data Memory: 6.4K words (retained by super-capacitor or optional battery)

• Communication Ports:

• 2 x RS232C

• 1 x RS485 (3-wire)

• Protocols: Modbus RTU, Modbus ASCII, ASCII

• Programming Language: Ladder Logic

• Real Time Clock: Built-in

• Expansion: Up to 8 I/O modules (total 142 I/O points)

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Storage Temperature: -20°C to 70°C (-4°F to 158°F)

• Humidity: 30% to 95% RH (non-condensing)

• Mounting: 35mm DIN Rail

• Certifications: UL Listed File #: E157382, CE (EN61131-2), cUL (Canadian C22.2)

Product Advantages

• Exceptional Value: The CLICK PLC series is known for its very low initial cost and free, user-friendly programming software, making it highly cost-effective for small applications.

• Integrated Analog I/O: The C0-02DR-D combines discrete and analog capabilities in a single compact unit, reducing complexity and panel space compared to systems requiring separate analog modules.

• Ease of Use: The CLICK software is intuitive and designed for quick learning, even for those new to PLCs. Its simplified instruction set focuses on practical control needs.

• Versatile Communication: Multiple serial ports (RS232C, RS485) with Modbus protocol provide robust connectivity to a wide range of industrial devices and networks.

• Compact Footprint: Its small size makes it ideal for applications with limited panel space.

• Reliable Relay Outputs: The relay outputs offer flexibility in connecting various AC or DC loads without needing external interface relays for many common voltage levels.

• Expandability: Despite being a "brick" PLC, the ability to add up to 8 expansion modules provides scalability for future needs or more complex I/O requirements.

• Free Software & Support: AutomationDirect's commitment to free programming software and excellent technical support significantly reduces the total cost of ownership.

Precautions

• Power Supply: Requires a stable 24 VDC power supply within the specified voltage range. Ensure proper grounding.

• Wiring: Follow the wiring diagrams in the manual carefully. Incorrect wiring of discrete or analog signals can damage the PLC or external devices. Pay attention to common connections for inputs and outputs.

• Analog Scaling: Properly scale analog input and output values in the PLC program to match the physical units (e.g., pressure, temperature, flow).

• Relay Output Load: While versatile, relay outputs have a limited life cycle compared to solid-state outputs, especially with high switching frequencies or inductive loads. Consider external interposing relays for heavy or highly inductive loads to prolong PLC output life.

• Environmental Conditions: Ensure the PLC is installed within its specified operating temperature and humidity ranges. Protect it from excessive dust, moisture, and vibration.

• ESD Protection: Take electrostatic discharge (ESD) precautions when handling the PLC, especially when connecting or disconnecting wiring.

• Programming Software: Always use the official, free CLICK PLC programming software from AutomationDirect for compatibility and optimal performance.

• Memory Backup: While the super-capacitor provides short-term memory retention, consider installing the optional D2-BAT-1 battery for long-term data retention, especially if the PLC might be powered down for extended periods.

Product Applications

The AutomationDirect C0-02DR-D CLICK PLC is well-suited for a variety of small to medium-scale automation tasks across numerous industries:

• Small Machine Control: Ideal for controlling simple standalone machines like packaging equipment, small conveyors, labelers, and presses.

• Building Automation: HVAC control, lighting control, access control for smaller systems.

• Pneumatic and Hydraulic Control: Sequencing and controlling pneumatic cylinders and hydraulic valves.

• Process Skids: Controlling basic fluid transfer, mixing, or pumping operations on a compact skid.

• Material Handling: Basic conveyor systems, sorters, and pick-and-place applications.

• Home Automation/Hobby Projects: Due to its low cost and ease of use, it's popular for advanced home automation or educational projects.

• OEM Applications: Cost-effective solution for original equipment manufacturers to integrate control into their machinery.

• Simple Data Logging: The analog I/O and RTC can be used for basic data logging of process variables.

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