DNF Controls SW2X1 - Manual (Page 12)

SW2X1 User Manual 12 of 15
B. SW2X1-GPI
GPI INPUT CONNECTOR
9-Pin D-Type Female (D9F)
Pin# Description Pin# Description
1. GPI 1 + (A) or internal pull-up 6. GPI 1 - (K)
2. GPI 2 + (A) or internal pull-up 7. GPI 2 - (K)
3. GPI 3 + (A) or internal pull-up 8. GPI 3 - (K)
4. GPI 4 + (A) or internal pull-up 9. GPI 4 - (K)
5. Ground
Note: Internal pull-up is jumper selectable for each GPI, then only a
connection from the 'K' pin to ground is required for GPI activation.
GPI OUTPUT CONNECTOR
9-Pin D-Type Female (D9F)
Pin# Description Pin# Description
1. GPO 1 N.O. 6. GPO 1 COM
2. GPO 2 N.O. 7. GPO 2 COM
3. GPO 3 N.O. 8. GPO 3 COM
4. GPO 4 N.O. 9. GPO 4 COM
5. Ground
C. SW2X1-RS422
RS422 SERIAL INPUT (Device Configuration)
9-Pin D-Type Female (D9F)
Pin# Description
1 Frame Ground
2 Transmit A(-)
3 Receive B(+)
4 Transmit common
5 Spare
6 Receive common
7 Transmit B(+)
8 Receive A(-)
9 Frame Ground
RS422 SERIAL OUTPUT (Controller Configuration)
9-Pin D-Type Female (D9F)
Pin# Description
1 Frame Ground
2 Receive A(-) 
3 Transmit B(+)
4 Transmit common
5 Spare
6 Receive common
7 Receive B(+)
8 Transmit A(-)
9 Frame Ground