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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial pattern covering three major business sectors: new energy, smart grid and aerospace. Its sales network covers more than 30 provinces, municipalities and autonomous regions nationwide, and its products are sold to overseas markets, winning high recognition from customers at home and abroad.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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No. 350, Lijiang Road, Shijiazhuang High-tech Zone
ZHCL-3
The ZHCL-3 module developed by Shijiazhuang Tonghe Electronic Technology Co., Ltd. features the capability to acquire AC voltage, DC voltage, DC current, branch‑circuit status, alarm signals, and temperature data.
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Product Introduction
The ZHCL-3 module developed by Shijiazhuang Tonghe Electronic Technology Co., Ltd. features the capability to acquire AC voltage, DC voltage, DC current, branch‑circuit status, alarm signals, and temperature data.
Product Features
•Two-channel AC voltage acquisition
•Dual-channel busbar voltage acquisition
• Two-way control bus voltage acquisition
•Dual-channel battery voltage acquisition
•Two-way control bus current acquisition
•Dual-channel battery current acquisition
•Two-channel battery temperature acquisition
•32-channel digital input
•8-channel digital output
• Supports RS485 communication -
Technical indicators Voltage sampling AC voltage sampling, 3-phase 4-wire Measurement range: 0–500 VAC (line voltage); measurement error within 304–456 VAC: ±1% Node capacity issuance AC 250 V/2 A, DC 30 V/0.5 A, DC 220 V/0.1 A RS485 interface RS485 interface Power supply Power input, range 88–286 VDC Size 116*202*45mm (front view: height*width*depth) Interface Definition Digital Input SI 1–32 channel signal input 1# AC Voltage Single-phase AC voltage sampling, three-phase four-wire 2# AC Voltage Two-channel AC voltage sampling, three-phase four-wire K1~K8 8-channel digital output HM1 voltage 1st Route Common Bus Voltage Sampling Interface HM2 voltage 2-way common bus voltage sampling interface KM1 voltage 1-way control bus voltage sampling interface KM2 voltage 2-way control bus voltage sampling interface Battery 1 Voltage Channel 1 battery voltage sampling interface Battery 2 Voltage Channel 2 battery voltage sampling interface KM1 current 1-way control bus current sampling interface KM2 current 2-way control bus current sampling interface Battery 1 current Channel 1 battery current sampling interface Battery 2 current Channel 2 battery current sampling interface Temperature 1 Channel 1 battery temperature sampling interface Temperature 2 Channel 2 battery temperature sampling interface Address Device address DIP switch COM When used to acquire switch status, the common terminal of the digital input SI. RS485 RS485 communication interface Power supply POWER Power connector
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