Product Description
Allen-Bradley 1756-L7SP ControlLogix Processor Module (GuardLogix)
Product Overview
The Allen-Bradley 1756-L7SP is part of the GuardLogix 5570 family, designed specifically for applications that require safety control. It provides reliable processing for safety-related I/O and ensures high system performance with a focus on secure communication and environmental robustness.
Key Features
Attribute |
Details |
Model |
1756-L7SP |
Manufacturer |
Allen-Bradley |
Description |
ControlLogix Processor Module for safety control applications |
User Memory |
8 MB |
Safety Memory |
4 MB |
I/O Memory |
0.98 MB |
Digital I/O (max) |
128,000 |
Analog I/O (max) |
4,000 |
Total I/O (max) |
128,000 |
Non-Volatile Memory |
1 GB (1756-SD1 ships with every controller) |
Energy Storage Modules |
Removable 1756-ESMCAP, non-removable 1756-ESMNRM, others for safety |
Current Draw |
5 mA @ 1.2V DC, 800 mA @ 5.1V DC |
Power Dissipation |
2.5 W |
Thermal Dissipation |
8.5 BTU/hr |
Weight |
Approx. 0.25 kg (0.55 lb) |
Slot Width |
2 (requires both modules; each takes one slot) |
Module Location |
Chassis-based (safety partner must be to the right of primary controller) |
Power Supply Compatibility |
Standard and Redundant options: 1756-PA50, 1756-PA72, 1756-PB50, 1756-PB72, 1756-PA75R, 1756-PBXTR |
Environmental and Performance Specifications
Attribute |
Details |
Operating Temperature |
0°C to +60°C (+32°F to +140°F) |
Non-operating Temperature |
-40°C to +85°C (-40°F to +185°F) |
Relative Humidity |
5-95% non-condensing |
Vibration Resistance |
2 g at 10-500 Hz |
Shock Resistance |
30 g (operating), 50 g (non-operating) |
Corrosive Atmosphere Rating |
Yes, Severity Level G3 per ANSI/ISA 71.04-2013, and Severity Level CX per IEC 60721-3-3:2019 |
Conformal Coating |
No |
Temperature Code |
T4 |
Emissions Compliance |
IEC 61000-6-4 (Industrial Emissions) |
ESD Immunity |
IEC 61000-4-2, 6 kV contact, 8 kV air discharges |
Radiated RF Immunity |
IEC 61000-4-3, 10V/m with 1 kHz sine wave from 80…2000 MHz |
Conducted RF Immunity |
Not applicable to USB (temporary port) |
Certifications
Certification |
Details |
UL Listed |
Industrial Control Equipment for US & Canada (File E65584) |
CE Compliance |
EU EMC and industrial immunity requirements |
ATEX Certified |
Ex ec IIC T4 Gc, for potentially explosive atmospheres (Zone 2) |
IECEx |
Ex ec IIC T4 Gc, for hazardous locations |
RCM, KC, UKEx |
Compliant with Australian, Korean, and UK regulations |
Power Supply Compatibility
Power Supply Type |
Model |
Standard Power Supply |
1756-PA50, 1756-PA72, 1756-PB50, 1756-PB72, 1756-PA75, 1756-PB75 |
Redundant Power Supply |
1756-PA75R, 1756-PBXTR, 1756-PSCA2 |
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