In Stock
Distributed Control System Input PLC Unit | Image
3 year warranty

Distributed Control System Input PLC Unit | Image
Distributed Control System Input PLC Unit - Wiring Diagram Image


    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.86 (7)
  • 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
  • 4.86 (7)
  • Click a star to rate this product
Distributed Control System Input PLC Unit



Sell Surplus: Have a O-57400- to sell? Sell Now
Exchange Credit: Learn more about our exchange credit program
  • Part Number: O-57400-
  • SKU: O57400RE
  • Manufacturer: Reliance Electric
  • Series: AutoMax PLC

O-57400- Technical Specifications

Manufacturer Reliance Electric
Series AutoMax PLC
Part Number O-57400-
Product Type A-C/D-C Input Module
Instruction Manual J-3625

Product Description

The O-57400- unit is an AC/DC input module that was distributed by Reliance Electric to be used along with their PLC series entitled AutoMax. This device is no longer being manufactured by Reliance Electric, who is the original manufacturer; however, AX Control may have it in stock at this time.

The O-57400- input module possesses a total voltage rating of 115 V. This particular device was made so that it could hold up to sixteen 115 V control signals as inputs to the AutoMax system to which the module is connected. The input signals can be either AC or DC, 50/60 Hz and have 2500 V isolation logic to common, which have a total of four isolated commons that have four inputs each.

In most cases, you will use the O-57400- input module as a means to turn certain devices both on and off. For example, you may use this input module for devices such as selector switches, relay contacts, push-buttons, and limit switches.

The O-57400- input module is made up of a protective casing which has a thin faceplate and encloses a printed circuit board. The O-57400- input module has a total of sixteen LEDs that are designed to indicate to the operator the status of its inputs. There are also sixteen input circuits that are used for the AC/DC logic signals, which are each 115 Volts. The input signals are brought directly to the module using a multi-conductor cable. In addition to these, there is a female connector socket. 

When installing, be sure to turn off the power to the system and then mount the terminal strip to a nearby panel. You will want to be sure that the terminal strip is fastened using the provided field wires. You will then be able to insert the O-57400- input module into the rack of the slot using a screwdriver. Attached the field terminal connector directly to this device’s mating half. After you have done every single step, you will then be able to turn the system’s power back on.

Frequently Asked Questions about O-57400-

What is the storage temperature for O-57400-?
O-57400- can be stored in a temperature range of -40 degrees Celsius to -85 degrees Celsius. O-57400- can operate from 0 degrees Celsius to -60 degrees Celsus.
What length wire does O-57400- use?
The maximum input wire length for a O-57400- is 1,000 feet.
Where can I find help with troubleshooting my O-57400-?
There is a section on diagnostics and troubleshooting for O-57400- in the O-57400- manual, Manual J-3625. The section in the manual on diagnostics and troubleshooting a O-57400- is section 5 of the manual.
What size rack does O-57400- fit into?
O-57400- can fit into a 10-slot rack or a 16-slot rack.
  • O-57400-1
  • O-57400-A
  • O-57400-B

Repair Services For O-57400-

Type Lead Time Price Action
Repair Service 1-2 weeks $328

Our highly skilled technicians can repair your O-57400-. 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

O-57400- Manuals, White Papers, Data Sheets, and Troubleshooting