Specifications, Specifications 28 – Rockwell Automation 1769-L31 CompactLogix Controller Installation Instructions User Manual
Page 28

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
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