1756-L55M22 — COMPUTER,DIGITAL

✓ Government record, cited

— · IT_GENERAL · PRINTER

PRODUCT OVERVIEW

1756-L55M22: COMPUTER,DIGITAL.

The COMPUTER,DIGITAL is a the manufacturer industrial component. Key specifications include memory_size: 750.0 KILOBYTES, unit_design: PANEL MOUNTED, data_storage_capacity: 1500.00 KILOBYTES, end_item_identification: ELEVATOR CONTROL PANEL, part_name_assigned_by_controlling_agency: CONTROLLER, PLC. This part is cataloged in the U.S.

Government catalog under NSN 7021-01-528-5029, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

IT_GENERAL→ PRINTER→ 1756-L55M22

NSN: 7021-01-528-5029
FSC: 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)

SPECIFICATIONS

memory_size	750.0 KILOBYTES
unit_design	PANEL MOUNTED
special_features	PROCESSOR FOR A CONTROLLOGIX CONTROLLER; 750K NONVOLATILE MEMORY; 750K BATTERY BACKED STATIC RAM; A LOGIX5555 PROCESSOR MODULE WILL NOT WORK WITHOUT A MEMORY EXPANSION SUB-MODULE INSTALLED.
data_storage_capacity	1500.00 KILOBYTES
end_item_identification	ELEVATOR CONTROL PANEL
part_name_assigned_by_controlling_agency	CONTROLLER, PLC
NSN	7021-01-528-5029

COMPONENT DIAGRAM

KEY FEATURES

•

MEMORY SIZE: 750.0 KILOBYTES

•

DATA STORAGE CAPACITY: 1500.00 KILOBYTES

•

UNIT DESIGN: PANEL MOUNTED

TECHNICAL CHARACTERISTICS

MEMORY SIZE	750.0 KILOBYTES
SPECIAL FEATURES	PROCESSOR FOR A CONTROLLOGIX CONTROLLER; 750K NONVOLATILE MEMORY; 750K BATTERY BACKED STATIC RAM; A LOGIX5555 PROCESSOR MODULE WILL NOT WORK WITHOUT A MEMORY EXPANSION SUB-MODULE INSTALLED.
PART NAME ASSIGNED BY CONTROLLING AGENCY	CONTROLLER, PLC
END ITEM IDENTIFICATION	ELEVATOR CONTROL PANEL
DATA STORAGE CAPACITY	1500.00 KILOBYTES
UNIT DESIGN	PANEL MOUNTED

OTHER ITEMS IN FSC 7021 — Information Technology Central Processing Unit (cpu, Computer), Digital

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

7021-00-001-7004 7021-00-004-0317 7021-00-006-8912 7021-00-007-0595 7021-00-009-4384 7021-00-025-6216 7021-00-025-6220 7021-00-025-6221

SUBSTITUTES & CROSS-REFERENCES 1

521-7529327 ITEM 3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1756-L55M22?

1756-L55M22 is a COMPUTER,DIGITAL. It is classified as a IT_GENERAL (PRINTER).

What parts can replace 1756-L55M22?

There is 1 known substitute for 1756-L55M22: 521-7529327 ITEM 3. Substitute compatibility should be verified for your specific system.

What is the NSN for 1756-L55M22?

1756-L55M22 is cataloged in the U.S. Government catalog under NSN 7021-01-528-5029. This indicates validated use in U.S. government and defense supply chains.

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