1768-L45

CompactLogix L45 3MB Memory Controller

Name: CompactLogix L45 3MB Memory Controller
Brand: Rockwell Automation
SKU: 1768-L45

Serial #:

Lifecycle status: Discontinued

Rockwell Automation announces that as of June 30, 2020, the CompactLogix L45 3MB Memory Controller will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)

Discontinued Date: June 30, 2020 Replacement Category: Engineering Replacement

Product at a glance

Repairable/Replaceable Calculate your impact

Lifecycle status: Discontinued

Discontinued Date: June 30, 2020 Replacement Category: Engineering Replacement

Product at a glance

Repairable/Replaceable Calculate your impact

Product Details

Unique Product Identifier	1768-L45
UPC	612598307548
Standard Warranty Duration	1 year See details
Country of Origin	Singapore

The information provided by Rockwell Automation on www.rockwellautomation.com (the “Site”) is for demonstration purposes only and may be incomplete or inaccurate. All information is provided “as is”, and Rockwell Automation makes no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information on the Site. Use of this information is at your own risk.

Communication	RS232
Height	131.6mm, 5.18"
Isolation	3 V (continuous), functional insulation type, Type tested at 5V AC @ 6s; RS-232 to system
Memory	3 MB

1768 current draw	5.6A @ 5V DC
1769 current draw	2.0A @ 5V DC
Available user memory	3 MB
Backplane current draw	2.0A @ 24V DC
Communication bus	RS-232
Communication medium copper	True
Communication medium fibre optic	False
Communication medium wireless	False
Communications protocol	Other
Expandable	True
Failsafe model	False
Isolation voltage	30V (continuous), functional insulation type, Type tested at 500V AC @ 60s, RS-232 to system
LED indicator inputs	False
LED indicator outputs	False
Module expansion capacity	Two 1768 modules, Sixteen 1769 modules
Number of 1768 communication modules, max	2
Number of 1768 modules, max	4
Number of 1768 motion modules, max	4
Number of 1769 I/O modules, max	30
Number of I/O banks, max	3
Power consumption	48 W
Power dissipation	8.3 W
Power supply	1768-PA3, 1768-PB3
Power supply distance rating	4 modules
Programming languages	Relay ladder, Structured text, Function block, Sequential function Chart
Protection for local controls	False
Serial cable	1756-CP3 or 1747-CP3, right angle connector to controller, straight to serial port, 3 m
Slot width	1
Standard applications available	True
Total 1768 and 1769 current draw	7.6A @ 5V DC
Voltage type	DC
Wire category	2 - on communication ports

Mechanical

Communication ports	RS-232, Fully isolated, 38.4 Kbps max
DIN-rail mounting	True
Module location	DIN rail or panel mount
Panel-mounting screw torque	1.16 Nm (10 in-lb) - use M4 or #8 screws
Weight, approx	0.34 kg
With PC connection	True
With display	False

Construction

Depth	121.1 mm
Enclosure type rating	None (open-style)
Height	131.1 mm
Suitable for front mounting	True
Width	56.4 mm
With base plate	False

Conducted RF immunity	10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
EFT/B immunity	±4kV @ 5kHz on communication ports
ESD immunity	6 kV contact discharges, 8 kV air discharges
Emissions	CISPR 11 (IEC 61000-6-4)
Operating temperature	0 °C
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Relative humidity	5...95% noncondensing
Shock	Operating: 30 G
Storage temperature	-40 °C
Surge transient immunity	±2 kV line-earth (CM) on communication ports
Surrounding air temperature, max	60 °C
Vibration	5 G @ 10...500 Hz

Technical Data	Publication
1769-td005_-en-p	1769-TD005

Looking for more documentation?

Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.

Visit the Technical Documentation Center Search the Literature Library

Looking for more Downloads?

Find product downloads in Rockwell Automation Product Compatibility and Download Center.

Search PCDC

Items Per Page:

Technotes

Looking for more Technotes?

Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.

Search Knowledgebase

Overview

Unique Product Identifier	1768-L45
UPC	612598307548
Standard Warranty Duration	1 year See details
Country of Origin	Singapore

Electrical & Connectivity

Communication	RS232
Height	131.6mm, 5.18"
Isolation	3 V (continuous), functional insulation type, Type tested at 5V AC @ 6s; RS-232 to system
Memory	3 MB

1768 current draw	5.6A @ 5V DC
1769 current draw	2.0A @ 5V DC
Available user memory	3 MB
Backplane current draw	2.0A @ 24V DC
Communication bus	RS-232
Communication medium copper	True
Communication medium fibre optic	False
Communication medium wireless	False
Communications protocol	Other
Expandable	True
Failsafe model	False
Isolation voltage	30V (continuous), functional insulation type, Type tested at 500V AC @ 60s, RS-232 to system
LED indicator inputs	False
LED indicator outputs	False
Module expansion capacity	Two 1768 modules, Sixteen 1769 modules
Number of 1768 communication modules, max	2
Number of 1768 modules, max	4
Number of 1768 motion modules, max	4
Number of 1769 I/O modules, max	30
Number of I/O banks, max	3
Power consumption	48 W
Power dissipation	8.3 W
Power supply	1768-PA3, 1768-PB3
Power supply distance rating	4 modules
Programming languages	Relay ladder, Structured text, Function block, Sequential function Chart
Protection for local controls	False
Serial cable	1756-CP3 or 1747-CP3, right angle connector to controller, straight to serial port, 3 m
Slot width	1
Standard applications available	True
Total 1768 and 1769 current draw	7.6A @ 5V DC
Voltage type	DC
Wire category	2 - on communication ports

Physical Characteristics

Mechanical

Communication ports	RS-232, Fully isolated, 38.4 Kbps max
DIN-rail mounting	True
Module location	DIN rail or panel mount
Panel-mounting screw torque	1.16 Nm (10 in-lb) - use M4 or #8 screws
Weight, approx	0.34 kg
With PC connection	True
With display	False

Construction

Depth	121.1 mm
Enclosure type rating	None (open-style)
Height	131.1 mm
Suitable for front mounting	True
Width	56.4 mm
With base plate	False

Compliance & Environment

Conducted RF immunity	10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
EFT/B immunity	±4kV @ 5kHz on communication ports
ESD immunity	6 kV contact discharges, 8 kV air discharges
Emissions	CISPR 11 (IEC 61000-6-4)
Operating temperature	0 °C
Radiated RF immunity	10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Relative humidity	5...95% noncondensing
Shock	Operating: 30 G
Storage temperature	-40 °C
Surge transient immunity	±2 kV line-earth (CM) on communication ports
Surrounding air temperature, max	60 °C
Vibration	5 G @ 10...500 Hz

Documents

1769-td005_-en-p Technical Data
1769-TD005

Technical Data	Publication
1769-td005_-en-p	1769-TD005