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Specification
Brand : Yuecoom
BulletPoint1 : High Transmission Rate: Industrial‑grade design, complete communication isolation, stable performance and transmission rate up to 115.2Kbps.
BulletPoint2 : DC/DC Isolated Power Supply: Built‑in DC/DC isolated power supply module to achieve electrical isolation between ports.
BulletPoint3 : Multi‑Machine Communication: Support multi‑machine communication, each channel can connect up to 128 nodes, and the longest transmission distance is 2500 meters.
BulletPoint4 : Data Flowly Automatic Control: Data flowly automatic control technology, automatically distinguish and control the data transmission direction.
BulletPoint5 : Provide Multiple Protection: Multiple protection measures, plus or minus 15KV ESD protection, 600W dual‑channel TVS protection 2.5KV communication isolation.
ItemName : Yuecoom Repeater Industrial Grade Photoelectric Isolation 4‑Channel RS485 Hub Sharer Splitter Power Supply Module 4 Way RS485 Hub RS485 Hub RS2 Repeater
ItemPackageDimensions_Height : 5 centimeters
ItemPackageDimensions_Length : 15 centimeters
ItemPackageDimensions_Width : 15 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : network-repeaters
Manufacturer : Yuecoom
ModelName : Yuecoomzq0yvd92ts
ModelNumber : Yuecoomzq0yvd92ts
PartNumber : Yuecoomzq0yvd92ts
ProductDescription :
Rated Power: 0.5-1.2W
Input Interface: 1 RS-2/1 RS-485
Output Interface: 4 RS-485
Load Capacity: 128 nodes per interface
Communication Distance: 2500 meters shielded wire or twisted pair wire per interface
Communication Rate: 300bps-115.2Kbps
Installation Method: 35mm rail installation, 4-hole installation on the back plate
Structure Size: Approx. 115 x 90 x 40mm / 4.5 x 3.5 x 1.6in
Working Environment: -30℃ to 70℃ relative humidity>95%RH
Wiring Notes:
1. 485 communication line must use shielded twisted pair, preferably multiple strands for spare, the longest is not more than 2500 meters.
3. 485 bus must be a hand-in-hand bus structure, and resolutely eliminate star connection and bifurcation connection.
4. If there are more than 30 controllers or the cable length is greater than 500 meters, it is recommended to use a 485 repeater.
5. The AC-powered equipment and the chassis must be grounded and well grounded.
6. Connect the GND ground of all 485 devices with shielded wires.
Requirements For Wire Selection Using RS-485 Bus For Communication:
Use 2-core shielded twisted pair cable
Copper, wire diameter 0.5～0.75 square millimeter,
Impedance 38～88Ω/km,
Capacitive resistance 30～50nF/km,
2-core shielded twisted-pair cable with a twisting distance of 20 mm (if the line distance is not more than 500 meters, the line standard can be appropriately reduced, but it must be a twisted pair)


Package List：
1 x Repeater
Note:
The device is suitable for long‑term stable operation under the recommended value; the device will not be damaged when working under the limit value, but may cause performance degradation; do not exceed the limit value range at any time, otherwise it may cause damage to the device!
ProductSiteLaunchDate : 2024-08-01T17:31:05.734Z
UnspscCode : 43220000