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7022AA Datasheet(PDF) 1 Page - TE Connectivity Ltd |
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7022AA Datasheet(HTML) 1 Page - TE Connectivity Ltd |
1 / 7 page 12–8 AGASTAT 7000 Series, Industrial Electropneumatic Timing Relay Specialty Relays Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters USA: +1 800 522 6752 For additional support numbers Revised 3-13 reference purposes only. unless otherwise specified. Asia Pacific: +86 0 400 820 6015 please visit www.te.com Specifications subject UK: +44 800 267 666 www.te.com to change. Design & Construction There are three main components of Series 7000 Timing Relays: Timing Head circulates air through a variable length to provide linearly adjustable timing. Patented design pro- vides easy adjustment and long service life under severe operating conditions. Precision-Wound Potted Coil Total sealing without external leads eliminates moisture problems, gives maximum insulation value. Snap-Action Switch Assembly — custom-designed over-center mecha- nism provides snap action. Standard switches are DPDT arrangement. Each of these subassemblies forms self-contained modules assembled at the factory with the other two to afford a wide choice of operating types, coil voltages, and timing ranges. The squared design with front terminals and rear mounting permits the grouping of Series 7000 units side-by-side in mini- mum panel space. Auxiliary switches may be added in the base of the unit, without affecting the overall width or depth. Operation Two basic operating types are available. “On-Delay” models provide a delay period on energization, at the end of which the switch transfers the load from one set of contacts to another. De-energizing the unit during the delay period immediately recycles the unit, readying it for another full delay period on re-energization. In "Off-Delay" models the switch trans- fers the load immediately upon energiza- tion and the delay period does not begin until the unit is de-energized. At the end of the delay period the switch returns to its original position. Re-energizing the unit during the delay period immediately resets the timing, readying it for another full delay period on de-energization. No power is required during the timing period, providing a true off delay. In addition to these basic operating types, “Double-Head” models offer sequential delays on pull-in and drop-out in one unit. With the addition of auxiliary switches the basic models provide two- step timing. Note: Seismic & radiation tested E7000 models are available. Consult factory for detailed information. On-delay model 7012 (delay on pickup) Applying voltage to the coil (L1-L2) for at least 50 msec starts a time delay lasting for the preset time. During this period the normally closed contacts (3-5 and 4-6) remain closed. At the end of the delay period the normally closed contacts break and the normally open contacts (1-5 and 2-6) make. The contacts remain in this transferred position until the coil is deenergized, at which time the switch returns to its original position. De-energizing the coil, either during or after the delay period, will recycle the unit within 50 msec. It will then provide a full delay period upon re-energization, regardless of how often the coil voltage is interrupted before the unit has been permitted to "time-out" to its full delay setting. Off-delay model 7022 (delay on dropout) Applying voltage to the coil (for at least 50 msec) will transfer the switch, breaking the normally closed contacts (1-5 and 2-6), and making the normally open contacts (3-5 and 4-6). Contacts remain in this transferred position as long as the coil is energized. The time delay begins immediately upon de-energization. At the end of the delay period the switch returns to its normal position. Re-energizing the coil during the delay period will immediately return the timing mechanism to a point where it will pro- vide a full delay period upon subsequent de-energization. The switch remains in the transferred position. Product Facts n Available in on-delay, true off-delay, and on/off-delay n Timing from 0.1 seconds to 60 minutes, in linear increments n Oversize adjustment knobs, serrated with high-resolution markings visible from all angles makes the timer easy to set timers n Inherent transient immunity n Standard voltages from 6-550VAC and 12-550VDC (special voltages available) n Available in 2-pole or 4-pole models n Numerous enclosure options — explosion proof, dust tight, watertight, hermetically-sealed, NEMA 1 n Auxiliary timed and instantaneous switches can be added for greater switching flexibility n Many mounting options — Surface mount, Panel mount, Octal plug-in mounting n Options: quick-connect terminals, dial stops, and transient protection module n Easy-to-reach screw terminals, all on the face of the unit, clearly identified n Modular assembly — timing head, coil assembly and switchblock are all individual modules, with switches field-replaceable n File E15631, File LR29186 R R Note: 7032 types and certain models with accessories are not agency approved. Users should thoroughly review the technical data before selecting a product part number. It is recommended that users also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application. Consult factory for ordering information. |
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