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Allen Bradley CompactLogix

1769-PB4 | Allen Bradley CompactLogix

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Manufacturer Allen Bradley CompactLogix
Description The 1769-PB4 is a Compact I/O DC power supply. This power supply provides voltage to the CompactLogix bus where modules are attached.
Weight 2 lbs :: ≈ 1 kgs
Warranty 1 Years
Technical Specifications
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Part Number: 1769- PB4
Product Family: CompactLogix
Product Type Power Supply
Input Voltage range: 19.2…32V DC
Operating altitude 2000 m (6562 ft)
Power Supply Distance rating: 8; 8 I/O modules can be connected on either side of the power supply for a maximum of 16 module.
Power consumption: 100VA @ 24V DC
Power dissipation: 14.5 W @ 60 °C (140 °F)
Current capacity @ 5V DC: 2.0 A
Current capacity @ 24V DC: 0.8 A
Inrush current, max: 30 A @ 31.2V DC
Fuse type: Littelfuse 021706.3MXP
About the 1769-PB4
The 1769-PB4 is a CompactLogix DC power supply used with Allen Bradley’s 1769 CompactLogix product family. This power supply operates on an input voltage range of 19.2…32V DC. unit’s current capacity is 4.0A and 2A at 5VDC and 24VDC respectively. It supplies power to the CompactLogix bus to enable the circuitry of the attached modules. The power supply is capable of supplying system power to either side of the module. The power supply is capable of operating even under brief power losses without affecting the system operation. This is called “program scan hold-up time after loss of power.” Brief power losses include the temporary loss or power directly from the source or voltage supply levels drop below the 1769-PB4’s operating range. Both cases are considered power loss. The hold-up time takes effect on these situations. Depending on the I/O configuration, the hold up time varies. The usual range is 5ms to 10 seconds. If the power supply reaches the hold-up time limit, it provides feedback “power supply shutdown” to the CPU. This enables the CPU to properly shutdown the system. CompactLogix modules can be attached from left or right side of the power supply. The maximum amount of Current the CompactLogix support with a 1769-PB4 is 4 Amperes at 5VDC and 2 Ampere at 24VDC. Up to Eight (8) modules can be attached on either side of the power supply. Maintain 50mm (2 inches) clearances on all sides of the CompactLogix chassis for proper air circulation. Observe proper spacing from enclosure walls and panel accessories. In most applications, convective cooling keeps the system within the operating Temperature range. .
Revisions: 1769-PB4A , 1769-PB4B , 1769-PB4C , 1769-PB4D , 1769-PB4E , 1769-PB4F , 1769-PB4G , 1769-PB4H , 1769-PB4I , 1769-PB4J , 1769-PB4K , 1769-PB4L , 1769-PB4M , 1769-PB4N , 1769-PB4O , 1769-PB4P , 1769-PB4Q , 1769-PB4R , 1769-PB4S , 1769-PB4T , 1769-PB4U , 1769-PB4V , 1769-PB4W , 1769-PB4X , 1769-PB4Y , 1769-PB4Z ,

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