PDF Electric and Supply



Buy Now1785-BCM
1785-BCM Wiring

Rated 4.5/5 based on 13 ratings.
  • 1785-BCM
  • 1785-BCM Wiring
PDF Electric & Supply Company is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

The Allen-Bradley 1785-BCM is a dependable backup module. The 1785-BCM provides high-speed communication transfers between two PLC-5 (Programmable Logic Controller) processors and it provides data backup protection in case there is a power or system failure. Compatible with both 5/60 and 5/80 PLC-5 processors, the module is positioned inside the 1771 I/O chassis, placed in a single slot. The average power consumption at 5 Volts DC is 1 Amps backplane current. The input capability for the device is 32-bit that supports the PLC-5 processors in the image table. The 1785-BCM’s switch assembly comprises 4 switches that are set up in different positions.

For connectivity with another device, the 1785-BCM utilizes the 1771-CD connector cable that features DH+ and Remote I/O capabilities. Its communication capabilities on the HSSL Network is at a stable rate of 1.2 Mega Baud. The device has an inbuilt relay that come with a resistive electric rating of 0.25 Amps at 24 Volts DC. The keying position of the device is between the pins 24 and 36 in the backplane and between pins 8 and 10 of the connecting bands. The functioning and non-functioning temperature for the device lies between 32 and 140 degrees Fahrenheit and between -40 and 185 degrees Fahrenheit, respectively. During shipping, a field wiring arm is provided with the 1771-WN as well as a wiring arm screw torque of 9 pounds on an inch for attachment purposes that comes with a category number. The dimensions of the product are 4.5 x 12.4 x 6.3 inches (115 x 317 x 160 millimeters) and it weighs 0.3 pounds. The 1784-KTCX is both CSA certified and UL listed.

Other Automation PLC-5

SKU 2171029  UPC 0799705796621

In Stock! AB PLC-5 Back-Up Comm. Mod. 1785B 1785BC

Troubleshooting and Product Information for 1785-BCM

Download product information, troubleshooting guides and operation manuals to get your PLC operational.

Other Automation
PLC-5 1785-BCM
Weight: 2 Lbs
Dimensions: 10"x12"x2"In
Call Now
Ships Today In Stock, Ships Today
3 In Stock
Call Now 1-800-360-6802
Weight: 2 Lbs
Dimensions: 10"x12"x2"In
3 In Stock
Ships Today
FAST Quote

Other 1785-BCM

Available Revisions:

1785-BCM , CIM1785-BCM

    Need To Order A Specific Revision?

    Give us a call at 1-800-360-6802 or 1-919-535-3180.

    We can help you with your Revision specific needs.

    Free Overnight delivery on orders over $500!

    What is New Surplus?

    These “New Surplus” units are a great cost saving alternative. This product is sealed in the original manufacturer’s packaging with all sub-assemblies and documentation. May indicate older date code. Comes with a PDF Supply 3-year warranty.

    Free Overnight delivery on orders over $500!

    What is Surplus New?

    Surplus New - New unused and includes all sub-assemblies and documentation. Product may ship in manufacturer or PDF Supply packaging. May indicate older date code. Includes a PDF Supply 3 Year Warranty.

    Free Overnight delivery on orders over $500!

    What is Reconditioned?

    Reconditioned products from PDF Supply are a cost-effective alternative to new and obsoleted PLC products. Every part is reconditioned down to the circuit board level and updated to the latest revision. All parts are thoroughly inspected and hand-cleaned before being functionally tested in a fully configured system.

    Our Reconditioned Products always come with a PDF Supply 2-Year Warranty.

    Free Overnight delivery on orders over $500!

    What is a Verified Substitute?

    A verified substitute new product is a "drop in" replacement designed with identical specifications as the OEM product. It will meet all electrical and dimensional charactertics at a substanstially reduced price.

    Free Overnight delivery on orders over $500!

    Download Lastest Documentation

    Please visit this manufacturer's website to download the lastest manuals and datasheets.

    Lowest Price Guarantee

    We stand behind our prices with a lowest price guarantee. If you find a legacy GE PLC part advertised for less on an authorized GE PLC distributor website, simply contact us and send us a link to the lower advertised price. We will match that price and ship overnight FREE. The item must be in stock, in similar condition and be able to ship same day.

    Free Shipping

    FREE Overnight Delivery for Continental US orders over $500!

    FREE Ground Delivery for Continental US orders under $500!

    US orders placed Monday - Friday before 5pm EST will ship same day.

    Canada/Mexico orders placed Monday - Friday before 3:30pm EST will ship same day.

    International orders will ship the following business day.