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โ โRS232 to RS422/RS485โ and โRS422/RS485 to RS232โ Converter
โ Distance: Max. 1.2km
โ 2.5kV Isolation Protector
โ Fully compatible with serial COM port in the PC
โ External power requirement: 9~12V DC
โ External power not required (When DTR signal line is enabled)
โ RS422/RS485 mode, Termination and Echo mode selectable by external switches
โ Max. 10 Devices Connectable for RS422 Multi-Drop Mode
โ Max. 10 Devices Connectable for RS485 Mode
โ Power: 9~12V, 500mA
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CS-428/9AT-ISO converts RS232 signals to RS422 or RS485 with optical isolation protection. It is a fast and efficient solution to overcome distance limitations of RS232 or for connecting to industrial devices with an RS422/485 interface.
ย No additional software is required for operation. With an easily accessible DIP switch you can configure the interface for RS422 or RS485. The CS-428/9AT-ISO has high performance 2.5kV Opto- Isolation to protect your equipment.
What is Isolation?
When electrical shock caused by power or ground is passed on to the system, the whole system can be damaged. However, the internal system can be protected using Isolation technique.
ย Furthermore, isolation can settle problems caused by signal distortion and signal line impedance matching.
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Opto Isolation
The CS-428/9AT-ISO Opto-Isolation protects up to DC 2.5kV between RS232 and RS422, RS485 sides. Opto-Isolation perfectly isolates the two endpoints so devices are protected from unfavorable electrical conditions such as ground potential differences, lightning and line interference. This results in more stable and reliable communications.
Auto RTS Control (Auto Toggling)
The CS-428/9AT-ISO has a built-in hardware feature that performs automatic toggling to prevent devices from sending data simultaneously. This operation is crucial when multiple devices are connected to prevent electrical collisions that lead to errors and unstable communications.
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