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PCL-847B – 4 Port RS-422/485 Card SurgeP

230,00  Excl. VAT

Features PCL-847B:

• Four independent RS-422/485 serial ports PCL-847B
• Transmission speeds up to 921.6 Kbps
• Independent/shared IRQ settings between each of the 4 serial ports
• Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
• Supports standard DOS COM1, COM2, COM3, and COM4
• Supports DOS/Windows 3.1 (PC-ComLIB), Windows 95/98,
Windows NT (ICOM Utility)
• Provides 1000 VDC isolation (PCL-846A/846B only)
• Provides 3000 VDC surge protection (PCL-846B/847B)
• Space reserved for termination resistors
• Supports 2 wire or 4 wire operation
• Supports Tx, Rx, RTS, and CTS signals
• Automatic RS-485 data flow control or RTS control

Introduction PCL-847B:

PCL-846/847 series cards provide four independent RS-422/485
serial ports on a card. Each port has a 16C550 UART with an on-chip
16-byte FIFO buffer for reliable, high-speed serial I/O. The UART
buffers data into 16-byte packets before putting it on the bus. This
drastically reduces the CPU load and avoids data loss when the
system is busy and cannot process the interrupt quickly. The UART
is especially useful for high speed serial I/O under Windows.
PCL-846 cards differ from PCL-847 cards in that they utilize
on-board optical isolators to protect your PC and equipment against
damage from ground loops, increasing system reliability in harsh
environments. To further increase reliability, PCL-846B/847B cards
include surge protection technology, protecting your system from
abrupt high voltage surges (up to 3000 V) such as those caused by
lightning during thunderstorms.
An RS-485 Network with Automatic Data Flow Control
Using RS-232 Software
The RS-485 mode automatically senses the direction of incoming
data and switches its transmission direction accordingly. This feature
makes your network look and act just like an RS-232 network.
Application software written for half duplex RS-232 can be used
without modification. Moreover, you can simply and quickly build an
RS-485 network with just two wires.

1 in stock

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Features PCL-847B:

• Four independent RS-422/485 serial ports PCL-847B
• Transmission speeds up to 921.6 Kbps
• Independent/shared IRQ settings between each of the 4 serial ports
• Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
• Supports standard DOS COM1, COM2, COM3, and COM4
• Supports DOS/Windows 3.1 (PC-ComLIB), Windows 95/98,
Windows NT (ICOM Utility)
• Provides 1000 VDC isolation (PCL-846A/846B only)
• Provides 3000 VDC surge protection (PCL-846B/847B)
• Space reserved for termination resistors
• Supports 2 wire or 4 wire operation
• Supports Tx, Rx, RTS, and CTS signals
• Automatic RS-485 data flow control or RTS control

Introduction PCL-847B:

PCL-846/847 series cards provide four independent RS-422/485
serial ports on a card. Each port has a 16C550 UART with an on-chip
16-byte FIFO buffer for reliable, high-speed serial I/O. The UART
buffers data into 16-byte packets before putting it on the bus. This
drastically reduces the CPU load and avoids data loss when the
system is busy and cannot process the interrupt quickly. The UART
is especially useful for high speed serial I/O under Windows.
PCL-846 cards differ from PCL-847 cards in that they utilize
on-board optical isolators to protect your PC and equipment against
damage from ground loops, increasing system reliability in harsh
environments. To further increase reliability, PCL-846B/847B cards
include surge protection technology, protecting your system from
abrupt high voltage surges (up to 3000 V) such as those caused by
lightning during thunderstorms.
An RS-485 Network with Automatic Data Flow Control
Using RS-232 Software
The RS-485 mode automatically senses the direction of incoming
data and switches its transmission direction accordingly. This feature
makes your network look and act just like an RS-232 network.
Application software written for half duplex RS-232 can be used
without modification. Moreover, you can simply and quickly build an
RS-485 network with just two wires.

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Overview

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