Nuvo-7501 Series
27
2.3
Rear Panel DIO Port (Nuvo-7505D Only)
The digital input (DI) and digital output (DO) function provides eight isolated DI and
eight isolated DO on the back panel of the system via DB25 female connector.
Pin Definition
Pin #
Signal
Pin #
Signal
1
VDD
14
DOGND
2
DO0*
15
DO1 *
3
DO2 *
16
DO3 *
4
DO4
17
DO4GND
5
DO5
18
DO5GND
6
DO6
19
DO6GND
7
DO7
20
DO7GND
8
DIGND
21
DI0
9
DI4
22
DI1
10
DI5
23
DIGND
11
DIGND
24
DI2
12
DI6
25
DI3
13
DI7
* When using DO0 ~ DO3, DOGND is the ground should be used.