The IOLOGIK R1212-T is a “Universal I/O” device because its 8 DIO (Digital Input/Output) channels are individually software-configurable. This means you can tailor each channel to your specific needs, providing exceptional flexibility.
1. Channel Breakdown:
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8 Digital Input (DI) Channels:Â These are dedicated inputs for reading the state (ON/OFF) from devices like push buttons, switches, proximity sensors, or relay contacts.
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8 Digital Input/Output (DIO) Channels:Â Each of these 8 channels can be individually configured to act as either:
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AÂ Digital Input (DI), or
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AÂ Digital Output (DO)Â for controlling devices like indicators, alarms, solenoid valves, or small relays.
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This gives you a maximum flexible configuration of 16 Digital Inputs and 8 Digital Outputs, or any combination in between.
2. Key Features and Capabilities:
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Flexible I/O Configuration:Â The standout feature is the software-configurable DIOs, allowing for easy setup changes without rewiring.
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Built-in “T” Feature (Turbo Ring): The “-T” in the model name indicates it includes Moxa’s proprietary Turbo Ring technology. This provides fast network redundancy (recovery time < 20 ms) for highly reliable networks that must withstand a single cable break.
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Easy Integration:
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MQTT Protocol:Â Native support for the lightweight MQTT protocol, ideal for IoT and SCADA systems for pushing data to brokers like AWS IoT or Azure IoT Hub.
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Modbus TCP Support:Â Acts as a Modbus TCP slave, making it compatible with most SCADA, HMI, and PLC systems.
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Rich Monitoring & Control Functions:
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I/O On Demand:Â The module only sends data when the state changes or when polled, reducing network traffic.
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Report by Exception:Â Sends data immediately when a pre-defined event (like a DI state change) occurs.
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Counter & Frequency Measurement:Â The DI channels can be used to count pulses or measure the frequency of incoming signals.
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Rugged Design:
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Operating temperature range suitable for industrial environments (-40 to 75°C).
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Dual 12 to 48 VDC power inputs for redundancy.
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DIN-rail mounting for easy installation in control panels.
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Typical Applications
The R1212-T is used for monitoring and controlling digital signals remotely over an Ethernet network. Common applications include:
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Factory Automation:Â Monitoring machine status (sensors, interlocks) and controlling actuators.
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Building Management Systems (BMS):Â Monitoring door/window contacts, smoke detectors, and controlling lighting or HVAC systems.
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Environmental Monitoring:Â Monitoring alarm outputs from other equipment.
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Remote Site Management:Â Monitoring security fences, gate status, and power failures at unmanned sites.
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Transportation Systems:Â Monitoring signals and controlling indicators in tunnels or along railways.
Summary Table
| Feature | Specification |
|---|---|
| Model | IOLOGIK R1212-T |
| Series | IOLOGIK R1200 |
| Part Number (P/N) | 0094 |
| I/O Type | Universal Digital I/O |
| Digital Inputs (DI) | 8 dedicated channels |
| Digital I/O (DIO) | 8 software-configurable channels (can be set as DI or DO) |
| Max. Configurable DI | 16 |
| Max. Configurable DO | 8 |
| Network Redundancy | Turbo Ring (recovery < 20 ms) |
| Communication Protocols | Modbus TCP, MQTT |
| Power Supply | Dual 12 to 48 VDC |
| Mounting | DIN-rail |
In essence, the Moxa IOLOGIK R1212-T (P/N 0094) is a flexible, resilient, and powerful remote I/O solution that simplifies the process of connecting a large number of digital sensors and actuators to an industrial Ethernet network.















