ADLINK Technology NuDAQ 6208 Series, Руководство пользователя

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Operation Theorem
Digital Value HEX value Output Voltage
32767 0x7FFF +9.99969V
16384 0x4000 +5.00000V
8192 0x2000 +2.50000V
1 0x0001 0.00031V
0 0x0000 0.00000V
-1 0xFFFF -0.00031V
-8192 0xE000 -2.50000V
-16384 0xC000 -5.00000V
-32767 0x8001 -9.99969V
-32768 0x8000 -10.00000V
4.2 Current Output and Range Control
The current output is implemented by the precision voltage-to-current
converter XTR110. The current output channel n (An) is control by the
voltage of channel n (Vn). The block diagram of the current output
channels is shown in Fig 3.1.
X T R 1 1 0
5 0 O h m
O n B o a r d + 1 5 V
V n
A n
E x t e r n a l L o a d
(R e s i s t e r R
L
= 2 5 0 O h m t y p ical)
A . G N D
I o
C u r r e n t O u t p u t
R a n g e C o n t r o l
Fig 3.1