The Allen-Bradley 1756-L55M12 is a ControlLogix 5555 processor module designed for high-performance industrial control applications. The 1756-L55M12 controller provides 750 Kbytes of user memory for data and logic programs, along with 208 Kbytes of dedicated I/O memory, operating without nonvolatile memory storage. The unit has an open-style enclosure rating and supports various communication networks across the ControlLogix platform, including ControlNet, EtherNet/IP, DH+, DeviceNet, and Universal Remote I/O networks. Multiple 1756-L55 controllers can be integrated into a redundant controller system configured within a ControlNet network.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Product Line | ControlLogix |
| Category | PLCs / Processor Module |
| Part Number | 1756-L55M12 |
| User Memory (Data and Logic) | 750 Kbytes |
| I/O Memory | 208 Kbytes |
| Maximum I/O Capacity | 128,000 |
| Maximum Analog Inputs | 4,000 |
| Maximum Analog Outputs | 2,000 |
| Program Scan Time | 0.08 ms |
| Backplane Current (5.1V DC) | 1.23 A |
| Backplane Current (24V DC) | 0.014 A (14 mA) |
| Power Dissipation | 5.6 W |
| Thermal Dissipation | 19.1 BTU/hr |
| Continuous Isolation Voltage | 30V (Basic Insulation Type) |
| Dielectric Withstand Voltage | 707V DC for 60 s |
| Conducted RF Immunity | 10V rms with 1 kHz sine-wave 80% AM (150 kHz to 80 MHz) |
| Battery Type | 1756-BA1 or 1756-BATM (1756-BA1 weight: 0.59 g) |
| Serial Cable Compatibility | 1756-CP3 or 1747-CP3 |
| Communication Wiring Category | 2 (on communication ports) |
| Enclosure Type | Open Style |
| Operating Temperature | 0 to 60 degC (32 to 140 F) |
| Storage Temperature | -40 to 85 degC |
| Relative Humidity | 5% to 95% (noncondensing) |
| Operating Shock | 30 g |
| Non-Operating Shock | 50 g |
| Vibration | 2 g at 10 to 500 Hz |
| Weight | 0.81 lbs (0.37 kg / 12.5 oz) |
| UPC | 10612598286628 |
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Returns & Warranty
Manufacturer: Allen-Bradley
Product No.: 1756-L55M12
Country of origin:United States
Product Type: ControlLogix Controller
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 370g
Dimensions: 140 mm x 35 mm x 145 mm (H x W x D)
Shipping port: Xiamen
Warranty: 12 months
The Allen-Bradley 1756-L55M12 is a ControlLogix 5555 processor module designed for high-performance industrial control applications. The 1756-L55M12 controller provides 750 Kbytes of user memory for data and logic programs, along with 208 Kbytes of dedicated I/O memory, operating without nonvolatile memory storage. The unit has an open-style enclosure rating and supports various communication networks across the ControlLogix platform, including ControlNet, EtherNet/IP, DH+, DeviceNet, and Universal Remote I/O networks. Multiple 1756-L55 controllers can be integrated into a redundant controller system configured within a ControlNet network.
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Product Line | ControlLogix |
| Category | PLCs / Processor Module |
| Part Number | 1756-L55M12 |
| User Memory (Data and Logic) | 750 Kbytes |
| I/O Memory | 208 Kbytes |
| Maximum I/O Capacity | 128,000 |
| Maximum Analog Inputs | 4,000 |
| Maximum Analog Outputs | 2,000 |
| Program Scan Time | 0.08 ms |
| Backplane Current (5.1V DC) | 1.23 A |
| Backplane Current (24V DC) | 0.014 A (14 mA) |
| Power Dissipation | 5.6 W |
| Thermal Dissipation | 19.1 BTU/hr |
| Continuous Isolation Voltage | 30V (Basic Insulation Type) |
| Dielectric Withstand Voltage | 707V DC for 60 s |
| Conducted RF Immunity | 10V rms with 1 kHz sine-wave 80% AM (150 kHz to 80 MHz) |
| Battery Type | 1756-BA1 or 1756-BATM (1756-BA1 weight: 0.59 g) |
| Serial Cable Compatibility | 1756-CP3 or 1747-CP3 |
| Communication Wiring Category | 2 (on communication ports) |
| Enclosure Type | Open Style |
| Operating Temperature | 0 to 60 degC (32 to 140 F) |
| Storage Temperature | -40 to 85 degC |
| Relative Humidity | 5% to 95% (noncondensing) |
| Operating Shock | 30 g |
| Non-Operating Shock | 50 g |
| Vibration | 2 g at 10 to 500 Hz |
| Weight | 0.81 lbs (0.37 kg / 12.5 oz) |
| UPC | 10612598286628 |
| Product Image | Model Number / Title | Condition | Availability | Action |
|---|---|---|---|---|
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|
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Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Black
|
| Country of origin |
United States
|
| Power source |
DC Power
Battery-powered
|
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