140CRA21120

Description

‌Parameters and Specifications‌:

Input Voltage: 24VDC
Output Voltage: 24VDC
Output Points: 8 isolated points
Operating Temperature Range: -40℃ to 85℃
Current Range: 4~20mA
Resolution: 12-bit
Communication Protocol: Ethernet/IP

‌Function‌:

The 140CRA21120 Quantum DIO optical fiber repeater enables the transmission of MB bus over optical fiber. It supports Modbus Plus bus, independent dual bus electrical interfaces, and 2 optical fiber interfaces, providing redundant dual bus structure and optical fiber redundant ring network function.

‌Weight and Dimensions‌:

Product Size: 40×40×30 mm (or 147x118x54 mm for another model)
Product Weight: 3.5 kg (or 800g for another model)

‌Features‌:

Supports logical independent dual Modbus Plus bus, standard communication rates.
Flexible selection of 1-2 Modbus Plus electrical interfaces and 1-2 155M optical fiber interfaces, supporting redundant dual-network optical fiber ring network topology.
Over 20km optical fiber distance, 155Mb/s, high-speed optical interface for reliable long-distance transmission of burst data.

‌Applications‌:

Widely used in hydropower stations, water treatment, and coal conveying systems.
Applied in projects such as a phosphorus mine in Yunnan, China, in 2008 and has been operating well since then.