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1756-M1 Allen-Bradley
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1756-M1 Allen-Bradley

$400.00 - $756.25
$400.00
$400.00 - $756.25
$400.00
Surplus - Tested (With Warranty)
Need a Specific Revision?
$400.00
3 in stock
New / Open-Box Surplus
Need a Specific Revision?
$756.25
2 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Allen-Bradley 1756-M1 is a Series A memory expansion module in the ControlLogix family. It provides an additional 512 Kbytes of battery-backed static RAM to a compatible ControlLogix 5550 controller (for example 1756-L1, L1M1, L1M2, L1M3). The module installs in the controller's memory expansion sub-module slot and supports only a single memory board per controller. It features an open-style enclosure and operates in standard industrial environments.

Best Suited For

  • Memory expansion in 1756-L1x0 ControlLogix 5550 controllers
  • Applications requiring additional program/config storage beyond onboard memory
  • Replacement or retrofit of existing Series A memory upgrades
  • Controlled environments where no enclosure protection is necessary
  • Single-board memory expansion installations only
Memory added
512 Kbytes battery-backed static RAM
Backplane current (5 V)
0.30 A (per 1756-IN101)
Power dissipation
6.2 W
Operating temperature
0 to 60 °C
Storage temperature
-40 to 85 °C

Technical Specifications

I/O & Electrical

Memory type
Battery-backed static RAM
Memory added
512 Kbytes

Communication & Power

Backplane current draw @ 5 V
0.30 A (installation manual)
Backplane current draw @ 5.1 V
1.2 A
Backplane current draw @ 24 V
0 mA (installation manual)
Power dissipation
6.2 W
Isolation voltage
50 V continuous

Physical & Environmental

Operating temperature
0 to 60 °C
Storage temperature
-40 to 85 °C
Relative humidity
5-95 % non-condensing
Vibration
2 g @ 10-500 Hz
Shock (operating/non-operating)
30 g / 50 g
Radiated RF immunity
10 V/m (multiple conditions)
ESD immunity
6 kV contact, 8 kV air
Emission class
Group 1, Class A
Enclosure type
Open-style (none)
Weight
0.17 kg (0.38 lb)

Certifications

UL RecognizedCSA CertifiedCEC-TickATEX

UL Recognized Component (industrial control equipment); CSA Certified for Class I, Division 2, Groups A-D; CE (EMC compliance to EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2); C-Tick; ATEX Zone 2 "n" protection per EN 60079-15. (Per installation instructions 1756-IN101.)

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

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