Measurement-computing USB-2527 Manuel d'utilisateur télécharger pdf (Page 12)

USB-2527 User's Guide Installing the USB-2527

68-pin SCSI connector differential and single-ended pin outs (P5)

The 68-pin SCSI connector—labeled P5 on the board—provides 16 single-ended analog channels or eight

differential analog channels.

Caution! Avoid redundant connections. Make sure there is no signal conflict among the SCSI pins, the 40-

pin header connector pins (J5, J7, and J8), and the TB7 TC connections. Failure to do so could possibly

cause equipment damage and/or personal injury.

68-pin SCSI connector pin out (labeled P5 on the board)

16-channel single-ended mode

Signal name

ACH0

ACH8

AGND

ACH1

ACH9

AGND

ACH2

ACH10

AGND

ACH3

ACH11

AGND

SGND

ACH4

ACH12

AGND

ACH5

ACH13

AGND

ACH6

ACH14

AGND

ACH7

ACH15

XDAC3

XDAC0

XDAC2

XDAC1

NEGREF (reserved for self-calibration)

POSREF (reserved for self-calibration)

GND

+5 V

GND

TTL TRG

CNT1

CNT0

CNT3

CNT2

TMR1

TMR0

GND

XAPCR

GND

XDPCR

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 63 64

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Measurement-computing USB-2527 Manuel d'utilisateur Page 12

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