Internal I/O 2 Connector - 3614/3618

Applies to Closed3614 HD26F I/O Extension Module - Standard I/O Set and 3618 HD26F I/O Extension Module - Fast I/O.

Connector description

Property Value
Name, Label Internal I/O 2
Type 26-pin dual-row 0.1" pitch pin header with shrouding
Location Printed circuit board
Usage General purpose I/O and power output

Pin assignments

Standard I/O set #2

Pin Signal Usage
1 GND Ground
2 GND Ground
3 DIN21+ High-speed differential input #21 – Positive pole
4 DIN21- High-speed differential input #21 – Negative pole
5 DIN22+ High-speed differential input #22 – Positive pole
6 DIN22- High-speed differential input #22 – Negative pole
7 IIN21+ Isolated input #21 – Positive pole
8 IIN21- Isolated input #21 – Negative pole
9 IIN22+ Isolated input #22 – Positive pole
10 IIN22- Isolated input #22 – Negative pole
11 IIN23+ Isolated input #23 – Positive pole
12 IIN23- Isolated input #23 – Negative pole
13 IIN24+ Isolated input #24 – Positive pole
14 IIN24- Isolated input #24 – Negative pole
15 IOUT21+ Isolated contact output #21 – Positive pole
16 IOUT21- Isolated contact output #21 – Negative pole
17 IOUT22+ Isolated contact output #22 – Positive pole
18 IOUT22- Isolated contact output #22 – Negative pole
19 TTLIO21 TTL input/output #21
20 GND Ground
21 TTLIO22 TTL input/output #22
22 GND Ground
23 Not connected
24 GND Ground
25 +12V +12 V Power output
26 +12V_RTN Ground