RS-485 RS-422 / EIA-422 USB TTL Konverter / Converter original RS485 maxim Adapter

orig. MAX485 RS-485 RS-422 Converter © androegg

MAX485 RS-485 RS-422 Converter Pins © androegg

Der RS-485 USB TTL Konverter basiert auf dem RS-485 Chipsatz von maxim integrated. Der Konverter unterstützt sowohl das RS485, als auch das RS-422 Schnittstellenprotokoll.

unterstützt Bis zu 32 Bus Teilnehmer

Der MAX485 unterstütz das Halb – Duplex Verfahren mit einer Datenrate von bis zu 2,5 Mbps.

Zu beachten:

Im RS422 Betrieb können maximal 10 Empfänger pro BUS angesteuert werden.

Wichtig:

• – für detaillierte Informationen bitte unser Datenblatt downloaden

The RS-485 USB TTL Converter is based at maxim integrated RS-485 Chip. Besides RS-485 Protocol RS-422 EIA-422 is also supported.

Supports up to 32 Receiver on bus

The MAX485 supports in Half Duplex Mode up to 2.5 Mbps.

Notes:

In RS422 Mode not more as 10 Receiver supported

Important Note:

• – for detailed Information please download and check out our Data Sheet-

MAX485 Converter Features:

• supports RS-485 Protocol
• supports RS-422 Protocol
• half duplex mode Converter
• quiescent current 300µA
• max. 32 receiver
• supply voltage max. 12V
• Control Input Voltage (RE, DE) -0.5V to (VCC + 0.5V)
• Driver Input Voltage (DI) -0.5V to (VCC + 0.5V)
• Driver Output Voltage (A, B) -8V to +12.5V
• Receiver Input Voltage (A, B) -8V to +12.5V
• Receiver Output Voltage (RO) -0.5V to (VCC + 0.5V)
• Differential Driver Output (no load) max. 5V
• Differential Driver Output (with load)
  • R = 50Ω (RS-422) min. 2V
  • R = 27Ω (RS-485) min. 1.5V max. 5V
• Input High Voltage (DE, DI, RE) 2.0V
• Input Low Voltage (DE, DI, RE) 0.8V
• Input Current ±2µA
• Receiver Differential Threshold Voltage -7V ≤ VCM ≤ 12V -0.2-0.2V
• Receiver Output High Voltage IO = -4mA, VID = 200mV min. 3.5V
• Receiver Output Low Voltage IO = 4mA, VID = -200mV max. 0.4V