User`s manual

Introduction 9
PCIe-2602
Table 1-3: RS-485 Connector Pin Assignment
1.5.3 DI/O (Digital Input/Output) Connector
The PCIe-2602 DI/O connector is a 16 pin-header configuration.
Figure 1-6: DI/O Connector
Pin Function Type
1 RS485 Channel 1 data+ Dual direction
2 RS485 Channel 1 data- Dual direction
3 RS485 Channel 2 data+ Dual direction
4 RS485 Channel 2 data- Dual direction
5 Digital GND Reference ground
6 Digital GND Reference ground
7 Digital GND Reference ground
8 Digital GND Reference ground
9 Digital GND Reference ground
Pin Function Type
1 DI3- Digital Input channel 3 invert pin
2 DI0+ Digital Input channel 0 non-invert pin
3 DI2- Digital Input channel 2 invert pin
4 DI1+ Digital Input channel 1 non-invert pin
5 DI1- Digital Input channel 1 invert pin
1
2
15
16