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Allen-Bradley 1769-L31 PLC Controller

Allen-Bradley 1769-L31 CompactLogix 512 KB RS-232 PLC Controller

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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Product 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 nameAllen-Bradley 1769-L31 CompactLogix 512 KB RS-232 PLC Controller
BrandAllen-Bradley
Model1769-L31
CategoryPLCs & I/O
Depth87 mm
User memory512 KB
Serial-port isolation30 V continuous basic insulation; channel 0 to system tested at 710 V DC for 60 s; channel 1 is not isolated
Controller familyCompactLogix
Communication ports2 RS-232 ports: isolated channel 0 and non-isolated channel 1
Maximum I/O banks3
Maximum local I/O modules16
Maximum backplane current330 mA at 5 V DC; 40 mA at 24 V DC
Operating temperature0-60 deg C
Power supply distance rating4 modules