8020-SCP-311

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Square D Sy/Max Class 8020 SCP-311 8020SCP311 1/2K RAM Processor Module.

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  • Part Number: 8020-SCP-311
  • SKU: 8020SCP311SD
  • Manufacturer: Square D
  • Series: Symax Class 8020

About the 8020-SCP-311

8020-SCP-311 is a Model 300, 512 Word Standard Processor with RAM that is manufactured by Square D. Each Model 300 processor is enclosed in a sheet metal steel case. This unit contains processor logic and memory for storing the user’s ladder diagram control program. The processor has two communications parts: one for programming and peripheral equipment, and one for inter-processor communications, access to a computer, or for a loader/monitor. There are three key modes on the processor: RUN, HALT, and DISABLE OUTPUTS. There are also five LED indicators on the processor: RUN, HALT, MEMORY, FORCE, and I/O.

When the RUN light is illuminated (green), the processor is operating on inputs and outputs and is scanning the ladder diagram program. When the RUN light is flashing, the processor is scanning the ladder diagram program but is not operating any I/Os. When the HALT light is illuminated or flashing (red), the processor is not scanning the ladder diagram program. When the MEMORY light is flashing (red), the processor has stopped due to a memory error. When the FORCE light is illuminated or flashing (red), one or more inputs and/or outputs have been forced to turn on or off, thereby overriding the ladder diagram program. When the I/O light is illuminated, there is a malfunction in the I/O system. This processor weighs 30 lbs. The logic is microprocessor-based. The memory size is varied in different processors. The memory utilization is 1 word per contact, coil, or branch.

  • 8020-SCP-311A
  • 8020-SCP-311B
  • 8020-SCP-311C
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  • 8020-SCP-311E
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  • 8020-SCP-311L
  • 8020-SCP-311M
  • 8020-SCP-311N
  • 8020-SCP-311O
  • 8020-SCP-311P
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  • 8020-SCP-311R
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  • 8020-SCP-311W
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  • 8020-SCP-311Z

Repair Services For 8020-SCP-311

Type Lead Time Price Action
Repair Service 1-2 weeks $301

Our highly skilled technicians can repair your 8020-SCP-311. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More

8020-SCP-311 Manuals, White Papers, Data Sheets, and Troubleshooting