Optimation’s OptiLogic series is a well-known brand in the field of industrial automation, offering a range of high-quality I/O modules and RTU (Remote Terminal Unit) products. Below are the product descriptions for the OL2108 and OL2108RB:
Product Overview
The OL2108 is a relay output module in Optimation’s OptiLogic series, designed for reliable operation in demanding industrial environments. As part of the OptiLogic system, it provides 8 relay output channels, making it ideal for industrial control applications requiring multiple discrete output signals. The module adopts mechanical relay technology, offering excellent contact performance and long service life. It supports voltages ranging from 0-24VDC and 0-120VAC, meeting the diverse power requirements of industrial equipment. Its compact design allows it to be easily installed in OptiLogic RTU racks, facilitating system integration and expansion. The OL2108 is widely used in industries such as manufacturing, energy, and infrastructure, providing stable and reliable output signals to drive actuators like motors, valves, and solenoids, ensuring smooth industrial processes. The OL2108RB is a dual-channel drive version of the OL2108. In addition to the features of the OL2108, it offers enhanced dual-channel drive capability, enabling simultaneous control of two loads for each relay output. This makes it suitable for applications requiring higher output power and more complex control logic. The OL2108RB inherits the high reliability and stability of the OptiLogic series while optimizing its output performance to meet the demands of industrial automation systems with higher control precision and response speed.
Technical Specifications
| Parameter | OL2108 | OL2108RB |
|---|---|---|
| Product Model | OL2108 | OL2108RB |
| Manufacturer | Optimation | Optimation |
| Product Type | Relay Output Module | Relay Output Module (Dual-Channel Drive) |
| Number of Outputs | 8 | 8 |
| Output Type | Mechanical Relay | Mechanical Relay (Dual-Channel Drive) |
| Contact Resistance | 0.1 ohms (initial) | 0.1 ohms (initial) |
| Contact Voltage Rating | 0-24VDC, 0-120VAC | 0-24VDC, 0-120VAC |
| Status Indicator | Logic-side LED | Logic-side LED |
| Contact Rating | 1A (resistive) per point at 24VDC, 1A per point at 120VAC | 1A (resistive) per point at 24VDC, 1A per point at 120VAC |
| Terminal Strip | Removable pluggable type | Removable pluggable type |
| Contact Type | Single-pole single-throw (SPST) | Single-pole single-throw (SPST) |
| Terminal Screw | Slotted (maximum 0.1-inch blade) | Slotted (maximum 0.1-inch blade) |
| Minimum Load | 10mA | 10mA |
| Maximum Terminal Wire Gauge | 18 AWG (using copper conductors) | 18 AWG (using copper conductors) |
| Contact Arrangement | 4 isolated normally open contacts per common terminal | 4 isolated normally open contacts per common terminal |
| Terminal Block Torque | 2.2 lb-in | 2.2 lb-in |
| Mechanical Life | 10,000,000 operations per relay (no load) | 10,000,000 operations per relay (no load) |
| Electrical Life | 100,000 operations per relay (full load) | 100,000 operations per relay (full load) |
| Weight | 2.1 oz (58g) | 2.1 oz (58g) |
| Cage Power Requirement | 375mA | To be determined |
| Output Configuration | Single-channel drive | Dual-channel drive |
Key Features and Benefits
The OL2108 and OL2108RB relay output modules excel in industrial automation applications with their robust performance and reliability. The mechanical relay design ensures minimal contact resistance and high contact ratings, capable of handling both DC and AC voltages, making them compatible with a wide range of industrial actuators. The logic-side LED indicators provide intuitive monitoring of output status, aiding in troubleshooting and maintenance. The removable pluggable terminal strip simplifies wiring and improves maintenance efficiency. The modules feature isolated relay contacts, reducing interference between channels and enhancing system stability. The OL2108RB, with its dual-channel drive capability, offers higher output power and more flexible control options, meeting the needs of complex industrial control systems. These modules are widely supported by major OPC servers, such as Kepware OPC Server and ICONICS OPC Server, ensuring seamless integration with SCADA systems and other monitoring software for efficient data acquisition and control.
Application Scenarios
In automotive manufacturing, the OL2108 and OL2108RB can control robotic arms, conveyor belts, and other equipment on production lines, executing automated assembly, welding, and painting processes with precision. In renewable energy systems like solar power plants and wind farms, they can manage inverters, transformers, and other devices, enabling remote monitoring and control of power generation equipment to ensure stable energy output. In water treatment plants, they can control pumps, valves, and other devices to automate water supply, treatment, and distribution processes, improving operational efficiency and water quality. In building automation systems, they can regulate HVAC, lighting, and elevator systems to achieve intelligent building management, enhance energy efficiency, and provide comfortable indoor environments.
Related Models
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OL2109: A DC sinking output module with 8 outputs, featuring NPN open-collector transistors and a power requirement of 140mA per cage. It has a voltage rating of 0-40VDC and a peak voltage of 80VDC.
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OL2111: A digital input module with 8 channels, supporting voltage ranges of 0-40VDC and 0-120VAC. It features optocoupler isolation and programmable input filtering.
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OL2208: A dual-channel drive module similar to the OL2108RB. When used with the OptiLogic system, it provides dual-channel drive functionality for relay outputs.
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OL2208RA: A dual-channel drive module packaged in sets of 3, offering flexible configuration options for industrial control systems.
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OL2408: An analog input module with 8 channels, supporting voltage ranges of 0-10VDC and current ranges of 0-20mA. It features 12-bit A/D conversion resolution.
Installation and Maintenance
Prior to installing the OL2108 or OL2108RB, ensure the control panel has sufficient space to accommodate the module and its wiring. The environment should be free from excessive dust, moisture, and corrosive gases to prevent damage to the module. Ground the module properly to enhance system stability and safety. Use a wire gauge of at least 18 AWG for connections to ensure reliable signal transmission. When installing, insert the module into the OptiLogic RTU rack and secure it firmly. Tighten the terminal screws to the specified torque of 2.2 lb-in to ensure secure connections. During routine maintenance, regularly inspect the module’s terminal connections for looseness or corrosion and clean the module surface to remove dust and dirt. Test the relay contacts periodically to ensure they meet the required contact resistance and voltage ratings. Based on the frequency of use and operational environment, replace the relay contacts every 1-2 years to maintain optimal module performance.
Product Warranty
Xiamen Xiongba E-commerce Co., Ltd. offers a one-year warranty for the OL2108 and OL2108RB, covering defects in materials and workmanship. The company provides free replacement services to ensure continuous operation of users’ automation systems. With a global support network, Xiamen Xiongba is committed to delivering prompt and efficient technical support and service, helping users address product issues and challenges. The company’s confidence in the quality and reliability of the OL2108 and OL2108RB reflects its dedication to customer satisfaction and its efforts to provide high-quality industrial automation products and solutions.
Company Introduction: Xiamen Xiongba E-commerce Co., Ltd. specializes in industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules and spare parts for large-scale servo control systems. Its extensive product range includes PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency industrial displays, and SCSI human-machine interfaces. With over a decade of industry experience, Xiongba has grown into a global supplier of industrial automation spare parts. By sourcing directly from overseas, the company offers products and components from multiple countries and manufacturers, helping customers overcome procurement challenges, ensuring product quality, and providing significant price advantages.
Below is additional relevant information about the OL2108 and OL2108RB:
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According to Roc Industrial LLC, the OL2108 is a high-precision industrial data acquisition module offering ultra-high measurement accuracy, robust industrial design, a wide operating temperature range, multiple input channels, advanced noise reduction, real-time data acquisition, easy integration and setup, low power consumption, enhanced data security, long-term stability, and flexible mounting options. It supports 8 differential/16 single-ended input channels (software-configurable), input types including voltage (mV, V), current (mA), thermocouple (J, K, T, E, R, S, B, N), and RTD (Pt100, Pt1000, Ni120, Cu10) (software-selectable). It features a 24-bit analog-to-digital converter (ADC), a sampling rate of up to 100 kS/s per channel (aggregate, configurable), typical accuracy of ±0.01% of full scale, an operating temperature range of -40°C to +85°C, a storage temperature range of -55°C to +100°C, a power supply of 9-36 VDC with reverse polarity protection, typical power consumption of 2.5W (max 4W), communication interfaces including Ethernet (10/100Base-T, RJ45 connector) and RS-485 (Modbus RTU/TCP support), channel-to-earth isolation of 2500 Vrms, channel-to-channel isolation of 500 Vrms, and mounting options of DIN Rail (EN 60715) or panel mounting (via integrated flanges). The enclosure is made of industrial-grade aluminum alloy with an IP30 rating, dimensions of 120 mm x 75 mm x 30 mm, a weight of 0.35 kg, and certifications including CE, FCC Part 15 Class A, RoHS compliance, and UL recognized component (pending) .
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Optimation’s OptiLogic series supports various I/O modules, including the OL2108, which is part of the relay output modules. Relay output modules utilize mechanical relays, offering excellent contact performance and long service life. The OL2108 has 8 outputs, a cage power requirement of 375mA, an output type of mechanical relay, initial contact resistance of 0.1 ohms, contact voltage ratings of 0-24VDC and 0-120VAC, logic-side LED status indicators, contact ratings of 1A (resistive) per point at 24VDC and 1A per point at 120VAC, a removable pluggable terminal strip, single-pole single-throw (SPST) contact type, slotted terminal screws (maximum 0.1-inch blade), a minimum load of 10mA, a maximum terminal wire gauge of 18 AWG (using copper conductors), 4 isolated normally open contacts per common terminal, a terminal block torque of 2.2 lb-in, mechanical life of 10,000,000 operations per relay (no load), electrical life of 100,000 operations per relay (full load), a weight of 2.1 oz (58g), and a type of 9 with subtype 1 . The OL2108RB is a dual-channel drive version of the OL2108, offering enhanced dual-channel drive capability for each relay output, making it suitable for applications requiring higher output power and more complex control logic .
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The OptiLogic driver, working with KEPServerEX, uses the UDP protocol to exchange data between OPC clients and OptiLogic Ethernet RTUs. KEPServerEX automatically optimizes data collection based on client needs and ensures data integrity through robust error handling. The supported devices include the OL2108, among others .
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