This is an innovative product that allows for the measurement of the insulation resistance of three-phase motors while they are in operation, which previously required the equipment to be stopped.
CPS-MM-LC is used in combination with a CPU module (M2M controller model: CPS-MCS341-DS1-131, etc.) that has built-in data collection and web monitoring functions. By installing the included dedicated ZCT (zero-phase current transformer) on the electrical circuit of existing equipment such as pumps, compressors, air conditioning fans, metal processing machines, and conveyor equipment that use three-phase motors (induction motors), it can be immediately utilized as a continuous monitoring device for equipment maintenance. Motor inspections are typically conducted regularly based on a schedule, as they require the equipment to be stopped, making it difficult to predict sudden motor failures in advance. Additionally, for equipment using inverters, it was necessary to disconnect the motor wiring during inspections. The CPS-MM-LC can measure the insulation resistance of operating three-phase motors, eliminating the need to stop the equipment for inspections. This transforms maintenance work into a style where data from continuous monitoring can be viewed, significantly improving operational efficiency and preventing equipment failures, thereby enhancing operational rates. Furthermore, it is useful from a safety management perspective as it allows for direct monitoring of the insulation resistance component (I0r) values, which are considered to pose a high risk of overheating and electric shock.
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basic information
【Main Features】 ■ Number of measurement channels: 1ch ■ Measurement target circuit: Power mode, Inverter mode ■ ZCT inner diameter: Φ25mm ■ Measurement voltage range: Phase voltage 10VAC to 600VAC ■ Measurement current range: 0 to 1A (Power), 0 to 100mA (Inverter) ■ Resolution: 0.001mA ■ Measurement insulation resistance range: Less than 1,000MΩ ■ Connector used: 1x 7.62mm pitch 4-pin 2-piece terminal block
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Applications/Examples of results
We can contribute to the early detection of insulation deterioration in three-phase motors and inverters used in a wide range of fields, including building pump equipment, multi-story parking lots, factory equipment, water treatment facilities, and FA factory pumps.
Line up（1）
| Model number | overview |
|---|---|
| CPS-MM-LC | Insulation degradation monitoring CONPROSYS I/O module / Leakage measurement 1ch (0.001mA unit) / Bus insulation |
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Company information
Established in April 1975. We operate globally in the electronics and information-related fields, contributing to the global society as a world pioneer company that utilizes PC technology in automation systems across various sectors. We provide component products and system integration technology. As a comprehensive manufacturer of electronic devices, we offer a wide range of high-quality industrial PCs, expansion boards, network devices, and software as component products, and we also accommodate OEM/ODM and customization based on our innovative advanced core technologies to meet customer needs. Additionally, we prepare industry-specific system packages that combine communication services and system equipment, and we are committed to product development and service provision from the customer's perspective as a total solution vendor.