






Product Description
🔹 Product Details
Manufacturer |
Allen-Bradley |
---|---|
Model/Part Number |
1756-L73K |
Description |
ControlLogix 5570 Series Controller (8 MB Memory, Conformal Coated – “K” variant) |
🔹 Features – ControlLogix 5570 Controllers
Feature |
Specification |
---|---|
User Memory |
8 MB |
I/O Memory |
0.98 MB |
Built-in Communication |
1-port USB 2.0 (Full Speed, 12 Mbps) – For temporary local programming only |
Optional Nonvolatile Storage |
1 GB SD (1784-SD1 – ships with controller) 2 GB SD (1784-SD2 – optional) |
Controller Tasks |
32 tasks (continuous, periodic, event-based) Up to 1000 programs/task |
Max Controller Connections |
500 |
Max Digital I/O |
128,000 |
Max Analog I/O |
4,000 |
Integrated Motion Support |
Via EtherNet/IP, SERCOS, Encoder/LDT/SSI analog options |
Programming Languages |
Relay Ladder Logic, Function Block, Structured Text, Sequential Function Chart |
Controller Redundancy |
Fully supported |
🔹 Technical Specifications
Attribute |
Specification |
---|---|
Energy Storage Module |
1756-ESMCAPK (removable, installed), or options for secure/non-secure variants |
Current Draw |
5 mA @ 1.2V DC 800 mA @ 5.1V DC |
Power Dissipation |
2.5 W |
Thermal Dissipation |
8.5 BTU/hr |
Isolation Voltage |
30V (continuous), basic insulation (USB-to-system) |
Slot Width |
1 |
Weight (approx.) |
0.25 kg (0.55 lb) |
Mounting |
Chassis-based, any slot |
Compatible Chassis |
1756-A4/A4K, A7/A7K, A10/A10K, A13/A13K, A17/A17K |
Compatible Power Supplies |
Standard: 1756-PA/PB/PH Series Redundant: 1756-PA/PB75R Series, 1756-PSCA2/K |
Wire Category |
Category 3 (USB port) |
Temperature Code |
T4 |
Enclosure Rating |
Open-style |