This board interfaces four AcroPack mezzanine modules to a PCI Express bus on a PC-based computer system. It is designed to provide isolation between the AcroPack field I/O signals and the host when used with an isolated AcroPack module. Four AcroPack module slots give you the freedom to mix a variety of I/O functions (A/D, D/A, digital in, digital out, serial I/O, FPGA, etc.) on a single board. Or, combine modules of the same type for almost two hundred channels on a single card. Either way, the APCe7040 saves your precious card slots and reduces your costs. Select I/O modules from Acromag’s offering or use most third-party mPCIe compliant modules. The AcroPack® product line updates our popular Industry Pack I/O modules with a PCIe interface format. This tech-refresh design offers a compact size, low-cost I/O, the same functionality and memory map of the existing Industry Pack modules.
PCI Express Bus ComplianceThis device meets or exceeds all written PCI Express specifications per revision 2.1. Includes a PCIe Gen 2 switch to expand the single host PCIe port to four ports, one to each device (AcroPack or mini-PCIe). The host port consists of four PCIe lanes, each of the mini-PCIe sites have one lane each.
Front I/OConnector: Four 68-pin CHAMP cable connections. Pin assignments are defined by the installed AcroPack module. The field side connector of the AcroPack I/O module mates to a Samtec SS5-50-3.00-L-D-K-TR socket connector P2 on the carrier board. Gold plating in the connection area, M2.5 screws and spacers provide excellent connection integrity and stability for harsh environments.
Ease of UseA unique carrier and site number can be set for each AcroPack site by a DIP switch. This provides the capability to distinguish a particular AcroPack module from others when multiple instances of the same module are used in a system. A standard 14-pin Xilinx JTAG programming header is provided for programming and debugging the FPGA on some AcroPack modules. The JTAG ports of the four AcroPack modules are daisy-chained.
Physical ConfigurationPCIe x4 lane. Length: 12.283 inches (312.0 mm). Height: 4.375 inches (111.12 mm).
EnvironmentalOperating temperature: -40 to 85°C. Storage temperature: -55 to 125°C. Relative humidity: 5 to 95% non-condensing.
Power3.3 Volts (±10%): 0.383mA typical. 12 Volts (±5%): 0.175mA Typical. The APCe7040E-LF has four DC/DC converters to provide the power supply voltages to the AcroPack modules that are not present at the host interface. The 1.5 Volt supply is sourced from the 3.3 Volt host power. The 5 Volt, 3.3 Volt and -12 Volt supply is sourced from 12 Volt host power.
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