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Signal connections – ADLINK ACL-8112 Series User Manual

Page 29

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Registers

21

3

Signal Connections

This chapter describes the connectors of the ACL-8112. Signal connections
between the ACL-8112 and external devices, such as daughter boards or
other devices are also outlined.

3.1 Connectors Pin Assignment

The ACL-8112 comes equipped with two 20-pin insulation displacement
connectors - CN1 and CN2 and one 37-pin D-type connector - CN3. CN1 and
CN2 are located on the board and CN3 is located at the rear plate.

CN1 is used for digital output signals, CN2 is used for digital input signals
and CN3 is used for analog input, analog output and timer/counter's signals.
The pin assignment for each connector is illustrated in Figures 3.1 to 3.3.

CN2: Digital Signal Input (DI 0 to 15 )

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

DI 0

DI 2

DI 4

DI 6

DI 8

DI 10

DI 12

DI 14

GND

+5V

DI 1

DI 3

DI 5

DI 7

DI 9

DI 11

DI 13

DI 15

GND

+ 12V

CN2

Figure 3.1 Pin Assignment of CN2