Multichannel Systems USB-MEA256-System Manual - Manual (Page 36)

USB-MEA256-System Manual
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6.3 Pin Layout
Analog IN A1 to A4
Please note that the channels 127, 128, 255 and 256 are not used for recording analog
raw data from 256MEA in the USB-MEA256-System. A1 to A4 are for additional analog data.
Analog 1 Channel 127
Analog 2 Channel 128
Analog 3 Channel 255
Analog 4 Channel 256
Digital IN / OUT Connector
68-Pin MCS Standard Connector
Pin 1 GNDP (power ground)
Pin 2 GNDS (signal ground)
Pin 3 - 10 Digital output channels bit 0 - 7
Pin 11 - 14 GNDS (signal ground)
Pin 15 - 22 Digital output channels bit 8 - 15
Pin 23 - 26 GNDS (signal ground)
Pin 27 - 34 Digital input channels bit 0 - 7
Pin 35 - 38 GNDS (signal ground)
Pin 39 - 46 Digital input channels bit 8 - 15
Pin 47 - 48 GNDS (signal ground)
Pin 49 - 63 Internal use (do not connect)
Pin 64 - 66 GNDS (signal ground)
Pin 67 Positive supply voltage output
Pin 68 Negative voltage supply output
Digital Out D0 OUT Bit 0 of the 16 bit digital output channels (Pin 3)
Digital In D0 IN Bit 0 of the 16 bit digital input channels (Pin 27)