As a critical I/O component of the Ovation DCS, this module also undertakes the tasks of digital signal acquisition and preprocessing. It can convert the on/off signals of field devices such as sensors, contactors, and valve status switches into digital signals recognizable by the system and upload them to the Ovation controller, laying a core foundation for subsequent control logic operations, equipment status monitoring, and fault diagnosis.
Technical Parameters
1. Electrical Specifications
The module supports an input voltage range of 24V~48V DC, featuring wide voltage adaptation to be compatible with common low-voltage DC signals in industrial scenarios. Each channel has an input current of 2mA, adopting a low-power consumption design to reduce the overall energy consumption of the system. Its maximum signal processing speed reaches 2000 signals per second, enabling high-speed response to meet real-time control requirements. Equipped with 32 digital input channels, it boasts a high-density design that reduces the space occupation of cabinet installation. It supports two input logic types, NPN and PNP, to flexibly adapt to different types of on-site sensors. For grounding methods, it can adopt either common grounding or isolated grounding, which is suitable for different grounding systems and helps reduce grounding interference. The output type is dry contact, with only signal acquisition function and no active output capability, focusing on digital signal monitoring.
2. Environmental Adaptability
In terms of working temperature, the module can withstand a range of -40℃~70℃ (some sources mark it as -10℃~60℃, and the actual data shall prevail according to the original factory specification), with a wide-temperature design to adapt to extreme industrial environments. Its storage temperature range is -40℃~85℃, which can meet the temperature fluctuations during long-term inventory or transportation. It can operate normally under humidity conditions of 0%~95% non-condensing, thanks to its moisture-proof design that adapts to high-humidity scenarios such as sewage treatment plants and coastal industrial environments. The metal shell provides protection against dust and slight mechanical impact, meeting the requirements of industrial cabinet installation environments.
3. Physical and Installation Specifications
The module has a size of 100mm×140mm×35mm (regular size, some sources mark it as 120mm×80mm×40mm, subject to the original factory data), and weighs approximately 0.5kg, featuring a lightweight design for easy module plugging, unplugging and maintenance. It adopts DIN rail installation, which is compatible with industrial standard rails and supports rapid disassembly, assembly and capacity expansion. The shell is made of durable metal material, which enhances the anti-electromagnetic interference capability and protects the internal circuits.
Application Fields
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