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Allen-Bradley 1756-SIM ControlLogix I/O Simulator Module
Allen-Bradley 1756-SIM hardware discrete simulator module for ControlLogix chassis. Ideal for physical PLC code bench testing and logic verification.
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SKU: 1756-PB75
Allen-Bradley 1756-PB75 ControlLogix Standard Power Supply
The Allen-Bradley 1756-PB75 is a 75W DC power supply for ControlLogix chassis. It accepts 18-32V DC input and provides 13A at 5.1V backplane power. This robust module features a 40ms hold-up time and reinforced insulation for reliable industrial operation.
The Allen-Bradley 1756-PB75 provides high-performance DC power for ControlLogix chassis components. This module converts 24V DC input into regulated voltages for the system backplane. Furthermore, it supports a broad range of processing and I/O modules within a single rack. Engineers primarily deploy this unit in environments where only DC power sources are available. Its robust construction ensures consistent energy delivery for mission-critical industrial automation tasks.
Electrical Specifications and Input Range
The 1756-PB75 maintains stable operation despite significant fluctuations in the primary DC power source. This adaptability prevents system resets during common voltage drops in industrial power grids.
- Input Voltage Range: 18–32V DC
- Nominal Input Voltage: 24V DC
- Maximum Power Output: 75 Watts at 60°C
- Backplane Output Current (5.1V): 13 Amps
- Backplane Output Current (24V): 2.8 Amps
- Backplane Output Current (1.2V): 1.5 Amps
- Power Hold-up Time: 35ms to 40ms
System Protection and Safety Design
Safety remains a priority in the hardware design of this ControlLogix power supply. The unit features reinforced insulation to protect sensitive electronics from high-voltage transients. Specifically, the module passes rigorous dielectric tests up to 3500V DC. Moreover, integrated overcurrent protection prevents damage during internal component failures or external shorts. These features collectively enhance the longevity of all connected modules within the chassis.
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