
Allen-Bradley 1769-L31 CompactLogix 512 KB RS-232 PLC Controller
- Brand
- Allen-Bradley
- Model
- 1769-L31
- GEARWELL SKU
- GWP-000000057
- Category
- PLCs & I/O
Key specifications
- Depth
- 87 mm
- User memory
- 512 KB
- Serial-port isolation
- 30 V continuous basic insulation; channel 0 to system tested at 710 V DC for 60 s; channel 1 is not isolated
- Controller family
- CompactLogix
- Communication ports
- 2 RS-232 ports: isolated channel 0 and non-isolated channel 1
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← Back to productsProduct overview
The Allen-Bradley 1769-L31 is a 1769 modular CompactLogix controller with 512 KB of user memory and two RS-232 serial ports (channel 0 isolated, DF1, DH-485 or ASCII; channel 1 DF1 or DH-485, 38.4 Kbps max), supporting as many as 16 1769 Compact I/O modules. 1769 modular CompactLogix L3x controllers use 1769 Compact I/O in as many as three banks, take a 1784-CF128 CompactFlash card for nonvolatile memory and use a 1769-BA lithium battery; the controller must be the leftmost module in the first bank, with a power supply distance rating of 4 modules.
Technical reference
| Product name | Allen-Bradley 1769-L31 CompactLogix 512 KB RS-232 PLC Controller |
|---|---|
| Brand | Allen-Bradley |
| Model | 1769-L31 |
| Category | PLCs & I/O |
| Depth | 87 mm |
| User memory | 512 KB |
| Serial-port isolation | 30 V continuous basic insulation; channel 0 to system tested at 710 V DC for 60 s; channel 1 is not isolated |
| Controller family | CompactLogix |
| Communication ports | 2 RS-232 ports: isolated channel 0 and non-isolated channel 1 |
| Maximum I/O banks | 3 |
| Maximum local I/O modules | 16 |
| Maximum backplane current | 330 mA at 5 V DC; 40 mA at 24 V DC |
| Operating temperature | 0-60 deg C |
| Power supply distance rating | 4 modules |
