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We provide high-quality equipment at competitive prices according to customer needs and application plans.
We are experts in the field of intelligent transportation. We have rich and professional solutions and product application solutions in intelligent urban rail transit, digital railway, expressway, airport and port.
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We are professional
For the digital transformation of manufacturing industry, Comark provides intelligent manufacturing full scene communication solutions, covering intelligent equipment, intelligent production line visual inspection, intelligent storage, intelligent plant and other fields, with strong data confidentiality, intelligent linkage of production links and other advantages. In addition, Comark also actively responds to the needs of world health and market development, provides stable, reliable and safe communication solutions for environmental governance, realizes programmed operations, assists relevant departments in intelligent management through science and technology, improves governance efficiency, and promotes sound development of environmental governance.
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Comark builds an intelligent monitoring system for renewable new energy such as wind power generation and solar power generation. By transmitting data acquisition and analysis, environmental monitoring, video monitoring, etc. to the monitoring center, it realizes remote control of power station equipment by the monitoring center, and pursues the maximization of power conversion.
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Comark provides industrial grade product equipment and overall communication solutions, builds efficient and safe smart steel plants and smart coal mines, assists steel smelting and coal mining, realizes automation, informatization and unmanned production and transportation, and comprehensively improves production efficiency and management level.
Read MoreWe are one of the leading suppliers of customized metal parts in China.We provide high quality metal parts with competitive price .
Ethernet Media Converters/ethernet hub 1~2 fast Ethernet ports Auto-negotiation speed, Auto Full/Half Duplex Mode Auto MDI/MDI-X connection 100BaseFX ports ( SC connector default, FC/ST connector Optional ) Maximum 120km distance Wide range voltage 12~48V DC power input Metal housing with IP40 protection, support high EMC level DIN-Rail Mounting and Wall Mounting supported Wide Operating Temperature (-40~85°C) to satisfy harsh industrial environment
Analog/Digital and Serial Multiplexing Media Converters Voltage/Current analog supporting single or bidirectional 1 ~ 4 channels Supports 1 ~ 4 channels the digital TTL signal to Fiber optic transmission Serial ports RS232/485/422 to fiber conversion 4mA to 20mA Signal Converters 0-10VDC Analog Signal Converters, supporting 0-5V/0-10V IP40 protection, Metal case, 35mm DIN-Rail Mounting Support -40~75°C wide operating temperature range
0-10VDC Analog Signal Converters, supporting 0-5V/0-10V Voltage analog supporting single or bidirectional 1 ~ 4 channels IP40 protection, Metal case, 35mm DIN-Rail Mounting Support -40~75°C wide operating temperature range
1 ~ 4 channel 4-20mA current analog signal to Fiber Optic Converter Reference accuracy: 0.5% (normal temperature) Sampling frequency: (1000-2000) Hz Time delay: < 10ms IP40 protection, Metal case, 35mm DIN-Rail Mounting Support -40~75°C wide operating temperature range
Supports 1~4 channels the digital TTL signal to Fiber optic transmission Independent 1~4 channel input, 1~4 channel output Input mode can be elected by TTL input or dry contacts input IP40 protection, Metal case, 35mm DIN-Rail Mounting Support -40~75°C wide operating temperature range
Flexible 10/100/100MBaseT(X) and 10/100BaseFX ports Extend network distances up to 120km Compact size for easy deploying Aluminum metal casing with IP40 protection, support high EMC level Wide range voltage 12~48V DC power input DIN-Rail Mounting and Wall Mounting supported -40 to 85°C wide operating temperature range
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