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12 APPENDIX A: GPIO's CONNECTORS
GPIO pinout
Pin
13
12
GPIO
-
-
Label
unused
GND
Pin
25
24
GPIO
-
-
Label
unused GND
GND:
connected to ground
N.C.:
contact normally closed
N.O.:
contact normally open
COM:
common contact
unused:
not used, DO NOT CONNECT!
K:
optocoupler cathode
General Purpose Inputs (GPIs)
GPI optocoupler specifications
Minimum current imin to switch GPI
Maximum current i
supported
max
Maximum voltage V
supported
K
11
10
9
-
GPO_4 GPI_4 GPO_3 GPO_3
GND
K
N.O.
N.C.
23
22
21
GPO_4 GPO_4
-
GPO_3 GPI_3 GPO_2 GPO_2
N.O.
COM
unused N.C.
1 mA
60 mA
11 V
IQOYA X/LINK-MPX user manual
8
7
6
5
-
GPO_2 GPI_2 GPO_1 GPO_1
COM
unused N.C.
20
19
18
17
K
N.O.
COM
The IQOYA X/LINK GPI's are compatible TTL 5 V.
They do not require any external power.
GPI status is "open" (1) when pin K is not connected to the ground for at
least 20ms.
GPI status is "closed" (0) when pin K is connected to the ground for at
least 20ms. (ground is on pins 11-12-24 on each connector).
DC
4
3
2
1
-
K
N.O.
COM
unused
16
15
14
-
GPO_1 GPI_1
unused N.C.
K
69
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