R. Stahl
9787 USB RS485 converter for Zones 1 & 2
Reliable, bidirectional conversion from USB to RS485
The USB RS485 converters are used to convert a USB interface to an RS485 interface. Depending on the version, the USB interface and/or the RS-485 can be operated in an intrinsically safe configuration (USB-IS or RS485-IS, according to PI standard). Ideal for converting the IS1+ USB ServiceBus of the 9442 CPU into an RS485 fieldbus.
• Reliable, bidirectional conversion from USB to RS485
• Versions with Ex i USB and/or Ex i RS485 interface
• Power supply via USB port
• LED status indicators
• Very resistant to interference
• Extended temperature range -40 to +75 °C
• Installation in Zones 1 and 2
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