Product Short Description
- Technical Specifications
- Electrical Parameters
The standard input voltage is 24VDC, and the applicable DC voltage range is 15 – 30VDC with a maximum voltage tolerance of 36VDC. The nominal turn – on current is 2 – 3mA, and the input impedance is more than 3.0kΩ. The turn – on voltage threshold is over 15VDC, and the turn – off voltage threshold is below 6VDC, with a typical voltage hysteresis of 4VDC. The isolation voltage of each input point reaches 1500VDC, and the maximum field power load per input point at the maximum field voltage is 0.2 watts.
- Response and Test Parameters
The turn – on and turn – off input delay are both less than 2ms, and the self – test circuit can detect stuck – on and stuck – off fault conditions in less than 0.5 seconds. The diagnostic coverage rate of the module reaches 99%, which can promptly identify potential operation faults and ensure the safe operation of the module.
- Physical and Environmental Parameters
Its dimensions are 110mm×26mm×170mm and it weighs 200 grams. The operating temperature range is – 40°C to +70°C, and the storage temperature range is – 55°C to +85°C. It can work normally in an environment with a relative humidity of 0 – 95% without condensation, adapting to various harsh industrial site environments.
- Electrical Parameters
Description
- Functional Features
- High – efficiency Fault Detection with Self – test Circuitry
The module is configured with a dedicated self – test circuit that can detect stuck – on and stuck – off fault states within 0.5 seconds. Combined with a diagnostic coverage rate of 99%, it can quickly identify abnormal operating conditions of the module. At the same time, it is equipped with diagnostic indicators that display pass, fault and active states for each input point, allowing operators to intuitively grasp the operating status of the module and input channels and quickly troubleshoot.
- Strong Anti – interference via Photoelectric Isolation
It adopts photoelectric isolation technology and each input point has independent isolation performance. The 1500VDC isolation voltage can effectively isolate electrical signals between different channels. This design can avoid the impact of electromagnetic interference and voltage fluctuations in complex industrial electrical environments on signal transmission, ensuring the stability and accuracy of digital signal collection and processing.
- Flexible Integration and Communication Capabilities
It supports Modbus RTU communication protocol and is compatible with multiple communication interfaces such as Ethernet and RS – 485. This enables the module to achieve smooth data interaction with various industrial control systems and on – site equipment. It can be seamlessly integrated into different industrial automation architectures, meeting the cross – platform data exchange needs of industrial systems and improving the overall operational efficiency of the system.
- Convenient Installation and Maintenance with Humanized Design
It is designed with mechanical keying to prevent incorrect installation during the assembly process. The modular design is matched with a compact and lightweight structure, which simplifies the installation process in the control cabinet. It also supports hot – swap functionality, so maintenance personnel can replace the module without shutting down the entire system, reducing system downtime and maintenance costs.
- High – efficiency Fault Detection with Self – test Circuitry
- Application Scenarios
- Oil and Gas Industry
It is widely used in oil drilling platforms, natural gas transmission pipelines and refineries. It is responsible for collecting digital signals from on – site equipment such as pressure switches, emergency stop buttons and pipeline valves. It monitors the operating status of these equipment in real time, provides data support for the emergency shutdown system, and effectively prevents safety accidents such as oil and gas leaks and explosions during extraction, transmission and refining processes.
- Chemical and Pharmaceutical Industry
In chemical production workshops and pharmaceutical production lines, it is used to collect signals from level switches, material conveying pump switches and dosing control switches. It monitors whether each link of chemical reaction and pharmaceutical batching is carried out in accordance with the preset procedures. It promptly feeds back abnormal signals of equipment to the central control system to avoid production accidents caused by equipment failure and ensure product quality and production safety.
- Power Industry
In thermal power plants and nuclear power plants, it is applied to the safety monitoring systems of key equipment such as generators, boilers and turbines. It receives status signals from protective relays, circuit breakers and emergency shutdown devices. When abnormal conditions occur in the equipment, it can quickly transmit fault signals to the control center, helping operators take emergency measures in time to ensure the stable operation of the power generation system and the safety of the power grid.
- Water Treatment Industry
In water purification plants and wastewater treatment plants, it is used to collect digital signals from flow switches, liquid level switches and pump body operation switches. It monitors the operating status of water intake, filtration, disinfection and discharge equipment in real time. It ensures the continuity and stability of the water treatment process, avoids process interruption caused by equipment failure, and guarantees the quality of treated water.
- Oil and Gas Industry
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