Photoelectric Isolation, Repeater Photoelectric Extender, RS485 Range Booster Range Amplifier Data Share, Network Repeaters

Description

• Design: Industrial design, fully isolated communication, stable performance, excellent workmanship, greatly improved service life, easy to use, transmission speed up to 115.2Kbps.
• [Isolation design] Built-in DC/DC isolated power supply module to achieve electrical isolation between ports.
• 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 chassis must be grounded and isolated. 6. Connect the GND ground for all 485 units with shielded wires.
• Industrial design, complete communication isolation, and transmission speed up to 115.2 Kbps.
• [Ultra Long Communication Support] Support multi-machine communication, each channel can connect up to 128 nodes, and the longest transmission distance is 2500 meters.

Specification:
Item Type: Repeater
Compatibility: Compliant with RS-232, RS-485TIA/EIA Standards
Working Voltage: DC: 9-24V
Rated Power: 0 .5-1.2W
Input interface: 1 RS-232/1 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 speed: 300bps-115.2Kbps
Installation method: 35mm rail installation, 4-hole installation on the back plate
Structure size: Approx. 115 x 90 x 40 mm / 4.5 x 3.5 x 1.6 inch
Working environment: -30 to 70 relative humidity>95% RH
Cabling Notes:
1 . The 485 communication line must use shielded twisted pair, preferably multiple wires as spare, the longest is no more than 2500 meters.
2. The wires must be as far away as possible from high voltage wires, not parallel to power lines and not bundled together.
3. The 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 chassis must be grounded and isolated.
6. Connect the GND ground for all 485 devices with shielded wires.
Requirements for selecting wire with RS-485 bus for communication:
Use 2-core shielded twisted pair cable
Copper, wire diameter 0 .5 0.75 square millimeters,
Impedance 3888/km,
Capacitive 3050nF/km,

Package list:
1 x Repeater

Note:
The device is suitable for long-term stable below the recommended value; the device will not be damaged when operating below the limit, but may cause performance degradation; do not exceed the limit value range at any time, otherwise it may cause damage to the device!

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