Measurement Computing DaqBoard 3000USB Series - Manual (Page 20)

IG-14 968492 DaqBoard/3000USB Series Installation Guide
J7 and J8, 40-Pin Headers for
Digital Ports, Counters, Timers, DACS, Triggers, Pacer Clocks and Other Signals
Note: The 4 DAC channels are available for DaqBoard/3001USB and /3031USB.
The DACs do not apply to DaqBoard/3005USB and /3035USB.
This edge of the header is closest to
the board’s center. Note that pins 2
and 40 are labeled on the board
overlay.
Digital CH. Pin
J7
Pin Digital CH. Signal Pin
J8
Pin Signal
Digital GND 1 2 XAPCR * +13VA 1 2 -13VA
CH A0 3 4 CH A4 --X-- 3 4 --X--
CH A1 5 6 CH A5 Analog Com. 5 6 Analog Com.
CH A2 7 8 CH A6 XDAC0 7 8 XDAC2
P
O
R
T
A CH A3 9 10 CH A7
P
O
R
T
A
XDAC1 9 10 XDAC3
Digital GND 11 12 XTTLTRG Analog Com. 11 12 Analog Com.
CH B0 13 14 CH B4 SelfCal 13 14 SGND **
CH B1 15 16 CH B5 Analog Com. 15 16 Analog Com.
CH B2 17 18 CH B6 XTTLTRG 17 18 XDPCR ***
P
O
R
T
B
CH B3 19 20 CH B7
P
O
R
T
B
XAPCR* 19 20 Digital GND
Digital GND 21 22 Exp +5 Volts Digital GND 21 22 Digital GND
CH C0 23 24 CH C4 --X-- 23 24 --X--
CH C1 25 26 CH C5 Exp. +5 Volts 25 26 Aux Pwr
CH C2 27 28 CH C6 --X-- 27 28 --X--
P
O
R
T
C
CH C3 29 30 CH C7
P
O
R
T
C
--X-- 29 30 --X--
Digital GND 31 32 Timer 1 --X-- 31 32 --X--
Timer 0 33 34 Counter 1 --X-- 33 34 --X--
Counter 0 35 36 Counter 3 --X-- 35 36 --X--
Counter 2 37 38 Digital GND --X-- 37 38 --X--
Digital GND 39 40 Digital GND --X-- 39 40 --X--
* XAPCR = A/D Pacer Clock I/O -- X-- = Not Connected
** SGND = Signal Ground (Low Level Sense Common)
*** XDPCR = DAC Pacer Clock I/O
Reference Note:
The DaqBoard/3000USB Series Users Manual (p/n 1136-0902) includes a pinout for the TB-100 screw-
terminal board connector option. It also includes an appendix pertaining to the DBK215 16-BNC
Connector Module. A PDF version of the manual is included on the data acquisition CD and is also
installed on your PC in the DaqView program group which can be accessed from your Windows’ Desktop
Start Menu.*
*Default location.