Isolated RS-232/422/485 Interface
Discontinued Product

OMG-ISO-COMM Series

Isolated RS-232/422/485 Interface Discontinued Product

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Two/Four Independent RS-232/422/485 Interfaces
Reliable Communication up to 5000 ft
Selectable Address (Including COM1 through COM4 or Any Other) for Each Port, Address up to 3FF hex
Individually Selectable Interrupts for Each Port: 2–7, 10–12 and 15 on the “AT”
2 or 4-Wire Operation
DB-9 Male Shielded Connectors
16550 Buffered UART Standard/Full Array of Advanced UARTS Available
Microsoft Windows Compatible

商品説明

The OMG-ISO-COMM is no longer available. Please see the OMG-ULTRACOMM422-PCI as a possible alternative for PCI bus computers, or contact our data acquisition group for other suggestions.

The OMG-ISO-COMM boards, available in 2 and 4 channel models, are isolated asynchronous serial communication cards that utilize balanced differential drivers and receivers to provide RS-422 and RS-485 communication. These cards are capable of providing up 500 V dc of isolation for protection against ground loop current. Distances of 5000 ft. in noisy industrial environments are easily accommodated. Signals are transmitted and received via individual 9-pin sub-D connectors. The cards are also capable of RS-232, for applications requiring shorter distances and RS-232 compatibility. The OMG-ISO-COMM cards are plug-in cards based on the 16550 FIFO buffered UART, which is compatible with the standard 8250. Bit character lengths of 5, 6, 7 or 8, and odd, even or no parity are all available. The advanced COM drivers for Windows 95/98 and NT are included, which provide IRQ sharing, advanced UART support, and Windows serial diagnostics. Windows 3.1x drivers are available for more than 4 COM ports.

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部品番号/Desc.

注文数

商品説明

OMG-ISO-COMM3

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納期:

2-port isolated RS-422/485 with RS-232 chips

OMG-ISO-COMM1

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納期:

4-port isolated RS-422/485 with RS-232 chips