Allen Bradley CompactLogix 1769-PB2 Module

Allen Bradley 1769-PB2 Module Brand New

Introduction

If there is high frequency conducted noise in or around yourdistribution equipment, use an isolation transformer in the ac line tothe power supply. This type of transformer provides isolation fromyour power distribution system and is often used as a step downtransformer to reduce line voltage. Any transformer used with thecontroller must have a sufficient power rating for its load. This powerrating is generally expressed in voltamperes (VA).To select an appropriate isolation transformer, calculate the powerrequired by the chassis power supply (or supplies if more than onechassis in system) and any input circuits and output loads that areconnected through this transformer.You can find the power requirement (VA rating) for the chassis powersupplies in the specifications starting on page 177. The power requirement forthe input circuits is determined by the number of inputs, the operating voltage,and the nominal input current. The power requirement for output loads isdetermined by the number of outputs, the load voltage, and load current.For example, if you have a 1746-P1 power supply, a 16-point ac inputmodule, catalog number 1746-IA16, (12 mA at 120V ac) and a 16-pointac triac output module, catalog number 1746-OA16, (0.5A at 120V ac),the power consumed would be:135VA + (16)(120V)(0.012 A) + (16)(120V)(0.5 A) = 1118VA

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Packaging & Shipping
1.All the goods will be tested before shipment.
2. Packing in professional anti-static bag.
3. We can ship to you by DHL/TNT/UPS/EMS/Fedex... Pls contact us directly and we will ship as your requirement.

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