Allen Bradley 1756-L61/B ControlLogix 2 MB Memory Controller

FAQ

Q1: What is the Allen-Bradley 1756-L61/B?
A: It is a ControlLogix 2 MB memory controller used for executing control programs and managing ControlLogix I/O and communication functions.

Q2: How much memory does the 1756-L61/B have?
A: It provides 2 MB of data and logic memory. The controller family also provides dedicated I/O memory.

Q3: What is the difference between 1756-L61/A and 1756-L61/B?
A: Both are 2 MB ControlLogix controllers, but the Series B version has different firmware/software compatibility requirements. Rockwell lists RSLogix 5000 Version 13.40 or later for the 1756-L61/B.

Q4: What software is required for the 1756-L61/B?
A: Rockwell documentation specifies RSLogix 5000 Version 13.40 or later for Series B.

Q5: Can the 1756-L61/B be used with ControlLogix I/O modules?
A: Yes. It is designed for use in a ControlLogix chassis with compatible ControlLogix I/O and communication modules.

Q6: Does the 1756-L61/B support CompactFlash memory?
A: Yes. CompactFlash cards can be used for nonvolatile storage and controller program/data backup.

Q7: What is the operating temperature range?
A: The standard operating temperature range is 0 to 60°C, with a storage range of −40 to +85°C.

Q8: What are the dimensions and weight of the 1756-L61/B?
A: The approximate dimensions are 145 × 35 × 140 mm, and the approximate weight is 0.35 kg.

1756-L61/B Allen Bradley

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