Deterministic Ethernet Expansion Chassis User's Guide

© National Instruments Corporation 63 NI 9144 User Guide and Specifications
Use the calibration coefficients with the following equation to generate
corrected data:
NI 9401
NI 9401 Direction Control
Note Both the input and output bytes are transmitted in the PDO regardless of the
direction control; only the relevant bits are connected to the I/O pins.
NI 9403
Table 62. NI 9401 Vendor Configuration Extensions
Index Sub Type R/W Description
0x2001 0 U32 R/W Nibble direction
control,
default = 0
Table 63. NI 9401 Scan List Format
Bits Field
1 0: data bits 3:0 as input
1: data bits 7:4 as output
0 0: data bits 3:0 as input
1: data bits 7:4 as output
Table 64. NI 9403 Vendor Configuration Extension
Index Sub Type R/W Description
0x2001 0 U32 R/W I/O direction
control,
default = 0
I
desired
Code()Code LSB
weight
•
pA
bits
---------
⎝⎠
⎛⎞
10
12–
•
A
pA
-------
⎝⎠
⎛⎞
Offset pA()10
12–
A
pA
-------
⎝⎠
⎛⎞
•+=