Specifications

Appendix C
– 78 –PCI-1710 series User’s Manual
Advantech Co., Ltd.
www.advantech.com
C.5 A/D Channel Range Setting - BASE+2
Each A/D channel has its own input range, controlled by a gain code
stored in the on-board RAM.
To change the range code for a channel:
• Write the same channel in BASE+4 (the start channel) and BASE+5
(the stop channel) (refer to Section C.6).
• Write the gain code to BASE+2 bit 0 to bit 2.
Table C-4: Register for A/D channel range setting
*: S/D, B/U are not supported for PCI-1711/1711L
S/D Single-ended or Differential
0 single-ended
1 differential.
B/U Bipolar or Unipolar
0 bipolar
1 unipolar.
G2 to G0 Gain Code
table C-5 lists the gain codes for the PCI-1710/1710L.
table C-6 lists the gain codes for the PCI-1710HG/
1710HGL.
table C-7 lists the gain codes for the PCI-1711/1711L.
Write A/D Channel Range Setting
Bit # 7 6 5 4 3 2 1 0
BASE + 2 *S/D *B/U G2 G1 G0