
Chapter 2, ACR8020 Motherboard Hardware Set-Up
27
ACR8020 MOTHERBOARD HARDWARE WIRING
Digital I/O Power (PWR1)
PWR1 is the connection for the user supplied voltage for the Digital Inputs and Digital
Outputs and should be wired to VEXT as shown in the table below. Refer to Figure 1 for
connector location.
Isolated voltage (VEXT) refers to +24VDC.
WARNING
Wiring VEXT with the incorrect voltage will permanently
damage the Digital I/O circuitry. The isolated voltage
(VEXT) is +24VDC.
Note: PWR1 is a 4-pin male Weidmuller plug.
PWR1
Isolated Power Connector
Usage Pin
Isolated Common (GEXT)
1
Isolated Common (GEXT)
2
Isolated Voltage (VEXT)
3
Isolated Voltage (VEXT)
4
Table 2.11
ACR8020 Isolated Power Connector
Isolated Power Fuse
Fuse
Circuit
Amps
Littelfuse Part No.
F2 VEXT 4
154.004
Table 2.12
ACR8020 Isolated Power Fuses
Summary of Contents for ACR8020
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Page 15: ...Chapter 2 ACR8020 Motherboard Hardware Set Up 7 CHAPTER 2 ACR8020 MOTHERBOARD HARDWARE SETUP...
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Page 37: ...Chapter 3 ACRCOMM Module Hardware Set Up 29 CHAPTER 3 ACRCOMM MODULE HARDWARE SETUP OPTIONAL...
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Page 49: ...Chapter 4 ACR8020 Specification 41 CHAPTER 4 TECHNICAL SPECIFICATIONS...
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Page 53: ...Chapter 5 ACR8020 Mechanical Drawings 45 CHAPTER 5 ACR8020 MECHANICAL DETAILS...