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The PCI-AC48 is an isolated, high-speed adapter card designed to link RS-485 serial devices, such as Opto 22's mistic or Optomux I/O units, with computers using the Peripheral Component Interconnect (PCI) bus. This adapter card is designed for customers who have been using Opto 22's AC37 adapter card but must upgrade to a newer computer that uses the PCI bus instead of the ISA bus. The PCI-AC48 provides PC-based control for B3000-B and B3000 mistic I/O units or E1, E2, B1, and B2 Optomux I/O units. Use the AC28 and PCI-AC48 Adapter Card Toolkit with this card. The toolkit is compatible with Windows 2000 SP4 and Windows XP Professional SP2 (32-bit). For system diagrams and compatible I/O, see the PC-Based I/O Control Overview.
PCI-AC48
Computer Interface
32-bit, 33 MHz PCI bus, PCI Specification Revision 2.2
Ports
Two serial ports, configurable for the following: • Two ports when used in RS-485 2-wire mode, or • One port when used in RS-485 4-wire mode
Isolation
2,500 VAC transient
Communications
RS-485 2-wire or 4-wire operation
Baud Rates
Serial link to 460,800 baud
Cable Length Distance
Up to 3,000 ft. (915 m)@ 115,200 baud
Termination
200 Ohm termination for RS-485 and IRQ (DIP switch configurable)
Biasing
RS-485 pull-up/pull-down biasing (DIP switch configurable)
Indicators
Transmit, Receive, and IRQ LEDs for each serial port
System Requirements for Software Driver
Microsoft Windows 2000 SP4 and Windows XP Professional (32-bit)
Power Requirements
5 VDC @ 600 mA
Operating Temperature Storage Temperature
0 °C to 70 °C –30 °C to 85 °C
Humidity
95% relative humidity, non-condensing
The PCI-AC48 is an isolated, high-speed adapter card designed to link RS-485 serial devices, such as Opto 22's B3000 brains, with computers using the Peripheral Component Interconnect (PCI) bus. This adapter card is ideal for customers who have been using Opto 22's AC37 adapter card, but must upgrade to a newer computer that uses the PCI bus instead of the ISA bus.
This manual describes the PCI-AC48, an isolated, high-speed adapter card designed to link RS-485 or RS-422 serial devices, such as Opto 22’s B3000 brains, with computers using the Peripheral Component Interconnect (PCI) bus. The PCI-AC48 is compatible with computers that feature a standard 33 MHz PCI bus. This adapter card is ideal if you have been using Opto 22’s AC37 adapter card in an application, but must upgrade to a newer computer that uses the PCI bus rather than the ISA bus.
For AC28 and PCI-AC48 adapter cards. For Microsoft Visual Basic or Microsoft Visual C++ Users.
NOTE: This toolkit also includes files for the AC5 adapter card. Do not use these files; they have been replaced. For AC5 cards, you can use version R5.0b of the PC-Based Direct I/O SDK. The filename is PC_Based_Direct_IO_SDK_R5.0b.exe, and it can be downloaded from Opto 22's FTP site.