Changing your customer account may impact your product pricing and availability. Here is an alternative product. Without appropriate precautions, there may be potential difficulties ensuring electromagnetic compatibility in other environments due to conducted as well as radiated disturbance. Power Supply Inrush During powerup, the power supply allows a brief inrush current to charge internal capacitors.
In no event will Rockwell Automation, Inc. Route the wire under the terminal pressure plate. Temperature Derating The following graphs indicate how much current can be drawn from the power supply at the indicated case temperature without damaging it. Pablo Gaspar D'Agostini Amengual.
Move the power supply back along the tongue-and-groove slots until the bus connectors line up with each other. However, if your product is not functioning and needs to be returned, follow these procedures.
Replace the front access fuse by centering the replacement fuse over the fuse clip and pressing down. Connect incoming power to the power supply terminals as indicated below. Change division and update cart Don't change division. Besides disconnecting electrical power, de-energize all other sources of power pneumatic and hydraulic before you begin working on a machine or process controlled by a controller.
Worn contacts may create electrical resistance. North American Hazardous Location Approval. These devices must be wired in series so that when any one device opens, the master control relay is de-energized, thereby removing power to the machine. Overtravel limit switches or mushroom-head push buttons are wired in series so that when any of them opens, the master control relay is de-energized. If you connect or disconnect wiring while the field-side power is on, an electrical arc can occur.
Do not directly attach the expansion power supply to a controller that has an embedded power supply. Verify that the specified temperature range is maintained.
For example, a deep voltage sag may reset a computer connected to the same power source. Check that the bus lever of the power supply to be installed is in the unlocked fully right position.
Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation. Secure any external connections that mate to this equipment by using screws, sliding latches, threaded connectors, or other means provided with this product. The terminal screws are non-captive.
1769-PA2 1769-PB2 1769-PA4
Serious injury or machine damage could result. Estimated on or before Sat. The only effect of limited inrush current and voltage sag on the system is that the power supply capacitors charge more slowly.
When inspecting or installing terminal connections, replacing output fuses, or working on equipment within the enclosure, use the disconnect to shut off power to the rest of the system. Delivery times may vary, especially during peak periods. Installation Instructions.
Allen-Bradley 1769-PA2 Installation Instructions Manual
Mounting screws are required on each power supply panel mounting tab. The interior of the enclosure must be accessible only by the use of a tool.
Yes, Change Ship-To Cancel. Click to view alternative product. Please wait while we add products to your cart. Fixer tous les connecteurs externes relis cet quipement l'aide de vis, loquets coulissants, connecteurs filets ou autres moyens fournis avec ce produit.
Electrical arcing causes excessive wear to contacts on both the power supply and its mating connector. Do you want to proceed with this change? Connect Field Wires The following instructions explain how to wire your power supply. See Specifications for information on the front access fuse.
User Power Overcurrent Condition The power supply shuts down in the event of an overcurrent condition. We recommend that the controller remains powered even when the master control relay is de-energized. Proper spacing of components within an enclosure is usually sufficient for heat dissipation. Additional cooling provisions might be necessary when high ambient temperatures are encountered.
The address you have selected may also be affected on the checkout page Do you want to proceed with this change? Adding this product to your cart will change your Will Call branch. Changing your branch may impact your product pricing and availability. You can use the bare wire or a spade lug. Input States on Power Down The power supply hold-up time is generally longer than the turn-on and turn-off times of the inputs.
Select your search attributes, then click search to find similar products. Important User Information. Install the main power disconnect switch where operators and maintenance personnel have quick and easy access to it. Browse our latest plc-power-supplies.
You can check the firmware revision by looking at the processor nameplate. The latches will momentarily open and lock into place. Explosion Hazard - Do not replace components or disconnect equipment unless power has been switched off. Place the main power disconnect switch where operators and maintenance personnel have quick and easy access to it. Store the equipment in appropriate static-safe packaging when not in use.
Since the master control relay allows the placement of several emergency-stop switches in different locations, its installation is important from a safety standpoint. This could cause an explosion in hazardous location installations. Available in select areas.
The time the system is operational during power loss is called program scan hold-up time after loss of power. Identifies information that is critical for successful application and understanding of the product. If this product contains batteries, a global history from prehistory to the 21st century pdf they must only be changed in an area known to be nonhazardous. Connect the Power Supplies.
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