Which chassis accepts 1756-L55M13?

Install it in a compatible 1756 ControlLogix chassis with the approved power supply and keyed surrounding modules.

How should the project be prepared before replacing 1756-L55M13?

Archive the online project, firmware information, controller properties, I/O tree and communication settings before shutdown.

What memory must be compared for 1756-L55M13?

Confirm the installed catalog number against 1.5 MB of data/logic memory and 208 KB of I/O memory.

How is communication restored after fitting 1756-L55M13?

Set the approved network path, download the validated project and confirm each configured bridge and I/O connection.

What power check applies to 1756-L55M13?

Include its published backplane demand of 1.23 A at 5.1 V DC and 14 mA at 24 V DC in the chassis loading review.

How should 1756-L55M13 be commissioned?

Verify controller mode, task execution, I/O ownership, inhibited modules, produced/consumed tags and output permissives.

Can a different ControlLogix controller replace 1756-L55M13 directly?

Not without a migration review covering firmware, instructions, communication limits, memory and project conversion.

What maintenance records are needed for 1756-L55M13?

Record the serial/revision data, firmware, project checksum, battery or memory condition, chassis diagnostics and final functional test.

1756-L55M13

Name: 1756-L55M13
Brand: Allen-Bradley
SKU: 1756-L55M13

ControlLogix5555 Controller

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Allen-Bradley 1756-L55M13 is a ControlLogix5555 Controller for the ControlLogix5555 platform. It executes user logic, exchanges chassis I/O data and coordinates communications through installed ControlLogix modules.

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Technical specifications for 1756-L55M13

Manufacturer:

Allen-Bradley
Product Category:

PLC Systems
Spare Part Number:

1756-L55M13
Estimated shipping dimensions:

3.5x14x14.5cm
Weight:

0.35 kg
Tariff Code:

8537101190
Counliy of origin:

USA
Data and logic memory:

1.5 MB
I/O memory:

208 KB
Nonvolatile memory:

Not supported
Backplane current at 5.1 V DC:

1.23 A
Backplane current at 24 V DC:

14 mA
Power dissipation:

5.6 W
Thermal dissipation:

19.1 BTU/h
Operating temperature:

0-60 C
Storage temperature:

-40-85 C
Relative humidity:

5-95%, noncondensing
Operating shock:

30 g, 11 ms
Nonoperating shock:

50 g, 11 ms
Vibration:

2 g at 10-500 Hz
Programming cable:

1756-CP3 or 1747-CP3

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Information

Overview Manuals Common Applications Product Precautions

Owns the chassis control task and scheduled program execution
Produces and consumes data through configured communication modules
Coordinates local and distributed I/O update paths
Reports controller and chassis diagnostic status to engineering tools

1756-L55M13 operates with 1756 ControlLogix chassis, compatible 1756 power supply, communication modules, RSLogix 5000 project.
Typical engineered duties include ControlLogix5555 installed-base control, 1756-L55M13 controller migration planning, 1756-L55M13 shutdown replacement, 1756-L55M13 program recovery and validation.

Important Notice: A 1756-L55M13 replacement requires an engineered match of controller series, firmware, memory, project revision, chassis slot and communication dependencies before the machine is released.

Apter Power 1756-L55M13 Manuals and Guides

Important Notice: The first document is an Apter Power 1756-L55M13 model-specific technical reference. The second is a distinct document for installation, configuration or system engineering.

1756-L55M13 ControlLogix5555 installed-base control

Owns the chassis control task and scheduled program execution

1756-L55M13 1756-L55M13 controller migration planning

Produces and consumes data through configured communication modules

1756-L55M13 1756-L55M13 shutdown replacement

Coordinates local and distributed I/O update paths

1756-L55M13 1756-L55M13 program recovery and validation

Reports controller and chassis diagnostic status to engineering tools

Read the applicable Allen-Bradley installation instructions before work. Verify 1756-L55M13 and the installed-system configuration.

Back up and verify the controller project before removal.

Confirm chassis slot, controller series and memory option from the nameplate.

Remove and insert the controller only under the installation conditions stated by Rockwell Automation.

After download, verify I/O ownership, produced/consumed tags and all communications.

Commission 1756-L55M13 under controlled conditions and retain the completed functional-test record before release.

Technical notes

Use the Rockwell Automation 1756 controller installation sequence for 1756-L55M13. Preserve the validated project and confirm chassis communication before placing outputs under program control.

FAQ View All FAQ

Which chassis accepts 1756-L55M13?

Install it in a compatible 1756 ControlLogix chassis with the approved power supply and keyed surrounding modules.
How should the project be prepared before replacing 1756-L55M13?

Archive the online project, firmware information, controller properties, I/O tree and communication settings before shutdown.
What memory must be compared for 1756-L55M13?

Confirm the installed catalog number against 1.5 MB of data/logic memory and 208 KB of I/O memory.
How is communication restored after fitting 1756-L55M13?

Set the approved network path, download the validated project and confirm each configured bridge and I/O connection.

What power check applies to 1756-L55M13?

Include its published backplane demand of 1.23 A at 5.1 V DC and 14 mA at 24 V DC in the chassis loading review.
How should 1756-L55M13 be commissioned?

Verify controller mode, task execution, I/O ownership, inhibited modules, produced/consumed tags and output permissives.
Can a different ControlLogix controller replace 1756-L55M13 directly?

Not without a migration review covering firmware, instructions, communication limits, memory and project conversion.
What maintenance records are needed for 1756-L55M13?

Record the serial/revision data, firmware, project checksum, battery or memory condition, chassis diagnostics and final functional test.

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