A/D Channel Range Setting - Base+2; Table C-3: Register For A/D Channel Range Setting - Advantech MIC-3716 Manual

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:
w Write the same channel in BASE+4 (the start channel) and
BASE+5 (the stop channel) (refer to Section C.6).
w Write the gain code to BASE+2 bit 0 to bit 2.

Table C-3: Register for A/D channel range setting

Write
Bit #
BASE + 2
S/D
B/U
80
A/D Channel Range Setting
7 6 5
S/D
Single-ended or Differential
0 single-ended
1 differential.
Bipolar or Unipolar
0 bipolar
1 unipolar.
G2 to G0 Gain Code (listed as Table C-5)
4 3
B/U G2
2 1 0
G1 G0