External IO Connector
On Grablink DualBase, a selection of the I/O ports of both acquisition channels, the 5V, and the 12V power outputs are available on a connector mounted on the bracket. The External IO connector of Grablink DualBase is a HD26F —robust high-density 26 pins female Sub-D connector. The connector shell is fitted with 2 UNC4-40 female screw locks.
A selection of the I/O ports of both acquisition channels, the 5V, and the 12V power outputs are available on a connector mounted on the bracket
High-density 26-pin female sub-D connector
(bracket viewed from outside)
External IO pins assignment
Pin # |
Pin name |
Usage |
1 |
GND |
Ground |
2 |
DIN2A+ |
Channel-A – High-speed diff. input #2 – Positive pole |
3 |
IIN1A+ |
Channel-A – Isolated input #1 – Positive pole |
4 |
DIN1B- |
Channel-B – High-speed diff. input #1 – Negative pole |
5 |
DIN2B- |
Channel-B – High-speed diff. input #2– Negative pole |
6 |
IIN1B- |
Channel-B – Isolated input #1 – Negative pole |
7 |
IOUT1B- |
Channel-B – Isolated contact output #1 – Negative pole |
8 |
+5V |
+5V Power output |
9 |
+5V_RTN |
Ground |
10 |
GND |
Ground |
11 |
DIN2A- |
Channel-A – High-speed diff. input #2 – Negative pole |
12 |
IIN1A- |
Channel-A – Isolated input #1 – Negative pole |
13 |
IIN2A+ |
Channel-A – Isolated input #2 – Positive pole |
14 |
DIN1B+ |
Channel-B – High-speed diff. input #1 – Positive pole |
15 |
DIN2B+ |
Channel-B – High-speed diff. input #2 – Positive pole |
16 |
IIN1B+ |
Channel-B – Isolated input #1 – Positive pole |
17 |
IOUT1B+ |
Channel-B – Isolated contact output #1 – Positive pole |
18 |
+12V_RTN |
Ground |
19 |
DIN1A- |
Channel-A – High-speed diff. input #1 – Negative pole |
20 |
DIN1A+ |
Channel-A – High-speed diff. input #1 – Positive pole |
21 |
IIN2A- |
Channel-A – Isolated input #2 – Negative pole |
22 |
IOUT1A- |
Channel-A – Isolated contact output #1 – Negative pole |
23 |
IOUT1A+ |
Channel-A – Isolated contact output #1 – Positive pole |
24 |
IIN2B- |
Channel-B – Isolated input #2 – Negative pole |
25 |
IIN2B+ |
Channel-B – Isolated input #2 – Positive pole |
26 |
+12V |
+12V Power output |