Allen-Bradley 1768-L45S Compact GuardLogix series safety processor

1768-L45S is a Compact GuardLogix series safety processor of Allen-Bradley under Rockwell Automation. 

The following are its technical parameters:

Electrical parameters

Voltage type: DC

LED indication input: None

LED indication output: None

Maximum number of 1768 modules: 4

Maximum number of 1768 motion modules: 4

Maximum number of I/O groups: 3

Maximum number of 1769 I/O modules: 30

Power consumption: 9.5W

Slot width: 1.5

Power consumption: 50.4W

1768 current consumption: 5.6A@5V DC

Total current consumption of 1768 and 1769: 7.6A@5V DC

Backplane current consumption: 2.1A@24V DC

Available user memory: 3MB standard, 1MB Safety

Programming language: Standard tasks support all languages, safety tasks support relay ladder diagrams, safety application instructions

Local control protection: No

Fail-safe model: No

Communication media: Fiber optic No, wireless No, copper cable Yes

Communication protocol: RS - 232

Maximum 1768 communication modules: 2

Power supply distance rating: 4 modules

1769 current consumption: 2.0A@5V DC

Power supply: 1768 - PA3, 1768 - PB3

Communication port wiring category: Class 2

Module expansion capacity: two 1768 modules, sixteen 1769 modules

Isolation voltage: 30V (continuous), functional insulation type, tested at 500V AC for 60s, RS - 232 is isolated from the system

Mechanical parameters

DIN rail installation: Supported

Weight: About 0.45kg

With display: No

With PC connection: Yes

Module position: DIN rail or panel installation

Communication port: RS-232, fully isolated, 38.4kbps max

Panel mount screw torque: 1.16N・m (10lb.in), using M4 or #8 screws

Width: 89.6mm

Height: 131.6mm

Depth: 122.1mm

With base plate: No

For front mounting: Yes

Enclosure type rating: No (open frame)

Environmental parameters

Shock (operating): 30g

Ambient air temperature (maximum): 60°C

Operating temperature: 0°C

Storage temperature: -40°C

Vibration: 5g@10 - 500Hz

Relative humidity: 5 - 95%, non-condensing

Emission: CISPR 11 (IEC 61000 - 6 - 4)

Electrical fast transient burst (EFT/B) immunity: ±4kV, 5kHz on communication ports

Electrostatic discharge (ESD) immunity: 6kV contact discharge, 8kV air discharge

Surge transient immunity: on communication ports ±2kV Line-to-Ground (Common Mode)

Conducted RF Immunity: 150kHz - 80MHz, 10V rms, 1kHz sine wave, 80% AM

Radiated RF Immunity: 80 - 2000MHz, 10V/m, 1kHz sine wave, 80% AM; 900MHz, 10V/m, 200Hz, 50% pulse, 100% AM; 1890MHz, 10V/m, 200Hz, 50% pulse, 100% AM; 2000 - 2700MHz, 3V/m, 1kHz sine wave, 80% AM

Approvals

Explosion-proof: None

North American Temperature Code: T4

IEC Temperature Code: T4