©
National Instruments Corp.
7
NI 9219 Operating Instructions
Table 1.
Signal Names
Module
Terminal
Signal
Name
Signal Description
1
T+
TEDS Data
2
T–
TEDS COM
3
EX+/HI
*
Positive excitation or
input signal
4
HI
Positive input signal
5
EX–/LO
*
Negative excitation or
input signal
6
LO
Negative input signal
*
Depending on the mode, terminals 3 and 5 are either the excitation signals or the
input signals.
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Ch 0
Ch 1
Ch 2
Ch 3
