Parker ACR8020, Hardware Manual, Page: 33 / 55

Chapter 2, ACR8020 Motherboard Hardware Set-Up 25
ACR8020 MOTHERBOARD HARDWARE WIRING
Digital Inputs / Outputs (P3 and P4)
There are two 34 pin headers provided on the ACR8020 for digital I/O interface. The 34
pin headers are used for the 32 Digital Inputs and 32 Digital Outputs. Refer to Figure 1
for connector location.
Note: P3 and P4 are 34-pin shrouded male headers.
P3 P4
Usage Pin Pin Usage Usage Pin Pin Usage
OUT-32 1 2 OUT-33 INP-00 1 2 INP-01
OUT-34 3 4 OUT-35 INP-02 3 4 INP-03
OUT-36 5 6 OUT-37 INP-04 5 6 INP-05
OUT-38 7 8 OUT-39 INP-06 7 8 INP-07
OUT-40 9 10 OUT-41 INP-08 9 10 INP-09
OUT-42 11 12 OUT-43 INP-10 11 12 INP-11
OUT-44 13 14 OUT-45 INP-12 13 14 INP-13
OUT-46 15 16 OUT-47 INP-14 15 16 INP-15
OUT-48 17 18 OUT-49 INP-16 17 18 INP-17
OUT-50 19 20 OUT-51 INP-18 19 20 INP-19
OUT-52 21 22 OUT-53 INP-20 21 22 INP-21
OUT-54 23 24 OUT-55 INP-22 23 24 INP-23
OUT-56 25 26 OUT-57 INP-24 25 26 INP-25
OUT-58 27 28 OUT-59 INP-26 27 28 INP-27
OUT-60 29 30 OUT-61 INP-28 29 30 INP-29
OUT-62 31 32 OUT-63 INP-30 31 32 INP-31
VISO 33 34 VISO GISO 33 34 GISO
Table 2.8 ACR8020 Digital I/O Connector