57C421

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Reliance PLC Automax Input Module.

AVAILABILITY:

IN STOCK
SHIPS TODAY

Contact: 1-919-372-8413 (Intl.), 1-800-991-7026 (US), sales@axcontrol.com

3 Year Warranty: Learn More

Sell Surplus: Have a 57C421 to sell? Sell Now

Exchange Credit: Learn more about our exchange credit program

57C421

    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.60 (5)
  • Click a star to rate this product
    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.60 (5)
  • Click a star to rate this product
Reliance PLC Automax Input Module.

AVAILABILITY:

IN STOCK
SHIPS TODAY

Contact: 1-919-372-8413 (Intl.), 1-800-991-7026 (US), sales@axcontrol.com

3 Year Warranty: Learn More

Sell Surplus: Have a 57C421 to sell? Sell Now

Exchange Credit: Learn more about our exchange credit program

57C421 Technical Specifications

Instruction Manual J-3680
Manufacturer Reliance Electric
Part Number 57C421
Product Type Pulsetach Input Module
Series AutoMax PLC

Product Description

The 57C421 is Pulse Tach Input Module that was originally designed by Reliance Electric. Depending on the years it was in production, this module was highly likely also sold by Asea Brown Boveri or Baldor Reliance. None of these original manufacturers are maintaining this part anymore and it has become hard to locate. AX Control does, however, make every attempt to keep it in stock. Please consult our website for the availability status of the 57C421.  

Reliance Electric created the 57C421 as a vital component for the AutoMax Multibus I/O System. This module uses 8 resistors on various AutoMax program tasks. These resistors have the ability to be read from or written to program tasks. This board does not come with onboard jumpers. This module has a 5 volt to 12 VDC input voltage. It has a frequency input maximum of 100 kHz. It has an isolation of 500-volt RMS. It has a 24-bit comparator and counter. This system also has 3-channel input pulses that are phase A, phase B, and Z-pulse. These pulses can be used to track the zero position.

The 57C421 has a bank of LED indicators that are labeled COUNT STOP, LATCH, CLEAR, FORWARD, REVERSE, and CCLK OK. These LEDs monitor the interrupts that are generated. There is a bank of 20 female connection ports. There are two dials that are labeled. One is labeled A, B, C, D, E, F, and G while the other is numerically labeled with the numbers 1-7.

Frequently Asked Questions about 57C421

What is 57C421 used for?
57C421 is used to accumulate pulses from a photo-electric pulsetach.
What are digital inputs on 57C421 used for?
Digital inputs on 57C421, inputs 5V to 12 VDC, are used for a latch input, count stop input, and origin input on 57C421.
Where can I find the manual for 57C421?
AX Control has the manual for 57C421. The manual for 57C421 is Manual J-3680, the AutoMax Pulsetach Input Module Manual. If you are looking for the manual for 57C421, ask us for the manual.
How much does 57C421 weigh?
57C421 weighs 1 pound, 13 ounces.
  • 57C421A
  • 57C421B

Repair Services For 57C421

Type Lead Time Price Action
Repair Service 1-2 weeks $316

Our highly skilled technicians can repair your 57C421. 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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57C421 Manuals, White Papers, Data Sheets, and Troubleshooting