Allen Bradley 1785-L40B PLC Processor Module

FAQ

Q1: What is the Allen-Bradley 1785-L40B used for?
A1: The 1785-L40B is a PLC-5/40 programmable controller processor module used in legacy Allen-Bradley PLC-5 industrial automation systems.

Q2: How much memory does the 1785-L40B provide?
A2: The controller provides approximately 48K words of user memory for ladder logic programs and data storage.

Q3: Which communication networks are supported by the 1785-L40B?
A3: The processor supports DH+ (Data Highway Plus), Remote I/O, and RS-232 serial communications.

Q4: Is the 1785-L40B still available from Rockwell Automation?
A4: No. The 1785-L40B has been discontinued by Rockwell Automation.

Q5: What are the actual dimensions of the 1785-L40B?
A5: The approximate dimensions are 279 × 76 × 152 mm (H × W × D).

Q6: What is the actual weight of the 1785-L40B?
A6: The actual weight is approximately 1.42 kg (3 lb 2 oz).

Q7: What chassis does the 1785-L40B install into?
A7: The processor installs into Allen-Bradley 1771 series PLC chassis systems.

Q8: What are common applications for the 1785-L40B?
A8: Common applications include factory automation, process control, manufacturing systems, and legacy PLC-5 based industrial control systems.

1785-L40B Allen Bradley

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