Installation Instructions Instruction Manual
28 1769-L31 CompactLogix Controller
Publication
1769-IN069C-EN-P - May 2008
Specifications
CompactLogix Controller - 1769-L31
Attribute Value
Communication ports CH0 - RS-232 CH1 - RS-232
RS-232 RS-232
DF1, DH-485, ASCII DF1, DH-485
fully isolated nonisolated
38.4 Kbps max 38.4 Kbps max
User memory 512 KB
Nonvolatile memory 1784-CF64 or 1784-CF128 CompactFlash card
Number of I/O modules, max 16 I/O modules
Number of I/O banks, max 3 banks
Backplane current 330 mA at 5V DC
40 mA at 24V DC
Power dissipation 2.61 W
Power supply distance rating 4 (The controller must be within four slot positions of the power
supply.)
North American temp code T5
Battery 1769-BA
Weight, approx. 0.30 kg (0.66 lb)
Programming cable 1747-CP3 or 1756-CP3
Panel mounting screw torque
(using M4 or #8 screws)
1.1...1.8 N•m (10...16 lb•in)
Enclosure type rating None (open style)
Wiring category
2 on communication ports
(1)
(1)
Use this Conductor Category information for planning conductor routing. See Industrial Automation
Wiring and Grounding Guidelines, publication 1770-4.1
Isolation voltage 30V (continuous), Basic Insulation Type
Type tested at 710V DC for 60 s, RS232 channel 0 to system
No isolation between RS232 channel 1 and system