Smacq Technologies PCI-1255, Руководство пользователя

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Chapter 2 Signal connection and configuration
2.1 Overview
Before installing the DAQ device, you need to know the functions and positions of all
connectors, tuners and jumpers on PCI-1255 device.
PCI--1225 is equipped with two signal connectors. The 37-pin D-type connecter on its front
panel is mainly used for analog input. The 40-pin IDC connector on its back panel is mainly sued
for digital IO signal connection.
There are specific tuners and jumpers for specific settings of analog input calibration,
channel input mode, and trigger. More detail about them are in later chapters.
Figure 2.1 shows relative connectors and their corresponding settings.
2.2 37-pin -type connection
The 37-pin D-type connector is used for connections to analog input channels and the 3 OUT
ports on 82C54. Figure 2.2 shows its pin details. In the case that no analog input channel is being
used, it is best to ground it to increase the measurement accuracy of the device as much as
VR1
VR2
JP2
JP1
JP3
40-pin
IDC
37-pin
D-Type
Figure 2.1
、
connecters and settings positions