1769-L24ER-QB1B: CompactLogix 5370 Controller
The 1769-L24ER-QB1B is the CompactLogix 5370 Controller covered on this page. The attribute that decides whether it fits the existing installation without modification is 750 Kbytes.
The reason to specify this exact variant is compactlogix 5370 controller. A processor or controller is selected on memory, scan time and platform compatibility before anything else. compactlogix 5370 controller sets how much programme fits, how fast the logic executes and which I/O and networks the unit can host — the three things that decide whether an existing application migrates without a rewrite. Confirming 750 Kbytes against the installed controller family is the check that prevents a processor that boots but cannot run the existing project.
| Feature | Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1769-L24ER-QB1B |
| Memory | 750 Kbytes |
| Non-Volatile Memory | 1784-SD1 1 GB (included), 1784-SD2 2 GB (optional) |
| Communication | (1) USB, (2) Ethernet I/P, 1 RS232 |
| Protocols | ASCII, DH485, DF1, Ethernet |
| Inputs | (16) 24 VDC |
| Outputs | (16) 24 VDC Sinking |
| Axes | 2 over Ethernet |
| Tasks | 32 |
| Programs per Task | 100 |
| Max I/O Modules | 4 |
| Mounting | DIN Rail |
| Weight | 3 lbs |
| Dimensions | 11x8x6 in (shipping). |
Related Configurations
Other published configurations in the same family — confirm the distinguishing specification against your installation:
| Related Part Number | Configuration Difference |
|---|---|
| allen-bradley-1769-l24er-qbfc1b-compactlogix-5370-l2-pac-controller | confirm the configuration against your installation |
Availability & Condition at AutoDCSTech
| Part Number | 1769-L24ER-QB1B |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
