77C400

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Reliance PLC Automax Encoder Frequency Input Rail For Automax Networks. Legacy.

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  • Part Number: 77C400
  • SKU: 77C400RE
  • Manufacturer: Reliance Electric
  • Series: AutoMax PLC

77C400 Technical Specifications

Manufacturer Reliance Electric
Series AutoMax PLC
Part Number 77C400
Product Type Encoder Frequency Input Rail

About the 77C400

The 77C400 module is an Encoder/Frequency Input Rail that was made for the AutoMax PLC series by Reliance Electric. This product is no longer being manufactured by the Reliance Electric, but AX Control still regularly has it in stock. This product’s availability in our inventory is displayed on this page of our website. 

The 77C400 Encoder/Frequency Input Rail is designed to connect to AutoMax devices to the appropriate networks. There are numerous ports where the AutoMax devices can be connected on the module’s faceplate. This will be detailed further below. The 77C400 Encoder/Frequency Input Rail has an input power rating of 120 VAC.

The faceplate of the 77C400 Encoder/Frequency Input Rail has a number of components that are useful for the operator. At the top of the faceplate, there is a small port that is labeled with “Input” to its right. Below that port, there are two small indicator lights. The light on the left has the label “PWR OK” above it while the light on the right has the label “COM OK” above it. Below that, you will see a long set of sixteen ports, all of which are individually labeled and therefore each serve a different purpose. There are two more separate ports that are both also individually labeled. Lastly, there is a small fuse at the bottom which is labeled with “FUSE TYPE 250V MDQ” above it.

The 77C400 Encoder/Frequency Input Rail has a total weight of about 4.79 lbs. or 2.17 kg. This total does not include any shipping materials.

Frequently Asked Questions about 77C400

How many channels does 77C400 have?
77C400 has 16 total channels. 
What are the LEDs on 77C400?
77C400 has a "PWR OK" LED as well as a "COM OK" LED.
What is the input power on 77C400?
77C400 has 120 VAC input.
  • 77C400-1
  • 77C400-1A
  • 77C400-1B
  • 77C400-1C
  • 77C400-1E
  • 77C400-1F
  • 77C400-1J
  • 77C400-1K
  • 77C400-1R
  • 77C400-2
  • 77C400-2A
  • 77C400-3
  • 77C400-4J
  • 77C400A
  • 77C400B
  • 77C400C
  • 77C400D
  • 77C400E
  • 77C400F
  • 77C400G
  • 77C400H
  • 77C400I
  • 77C400J
  • 77C400K
  • 77C400L
  • 77C400M
  • 77C400N
  • 77C400O
  • 77C400P
  • 77C400Q
  • 77C400R
  • 77C400S
  • 77C400T
  • 77C400U
  • 77C400V
  • 77C400W
  • 77C400X
  • 77C400Y
  • 77C400Z

Repair Services For 77C400

Type Lead Time Price Action
Repair Service 1-2 weeks $246

Our highly skilled technicians can repair your 77C400. 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
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