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7022AI Datasheet(PDF) 2 Page - TE Connectivity Ltd |
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7022AI Datasheet(HTML) 2 Page - TE Connectivity Ltd |
2 / 7 page 12–9 AGASTAT 7000 Series, Industrial Electropneumatic Timing Relay (Continued) Specialty Relays 12 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. Auxiliary Switch Options To increase the versatility of the basic timer models, auxiliary switches may be added to either on-delay or off-delay types. They switch additional circuits, provide two-step timing action, or fur- nish electrical interlock for sustained coil energization from a momentary impulse, depending on the type selected and its adjustment. They are installed at the factory. All auxiliary switches are SPDT with UL listings of 10A @ 125, 250, or 480 VAC. A maximum of one Code T or two Code L auxiliary switches may be added to each relay. The L or LL switch is available with on-delay relays only. The T switch is available with both the on-delay and off-delay relays. Auxiliary Switch Options for On-Delay Instant Transfer (Auxiliary Switch Code L, maximum of 2 per relay.) 1. Energizing coil begins time delay and transfers auxiliary switch. 2. Main switch transfers after total preset delay. 3. De-energizing coil resets both switches instantly. Auxiliary switch is nonadjustable. Two-Step Timing (Auxiliary Switch Code T, maximum of 1 per relay.) 1. Energizing coil begins time delay. 2. After first delay auxiliary switch transfers. 3. Main switch transfers after total preset delay. 4. De-energizing coil resets both switches instantly. First delay is independently adjustable, up to 30% of overall delay. (Recommended maximum 100 seconds.) Auxiliary Switch Options for Off-Delay In these models the same auxiliary switch provides either two-step timing or instant transfer action, depending on the adjustment of the actuator. Two-Step Timing (Auxiliary Switch Code T, maximum of 1 per relay.) 1. Energizing coil transfers main and auxiliary switches instantly. 2. De-energizing coil begins time delay. 3. After first delay auxiliary switch transfers. 4. Main switch transfers after total preset delay. First delay is independ- ently adjustable, up to 30% of overall delay. (Recommended maximum 100 seconds.) Instant Transfer (Auxiliary Switch Code L, maximum of 1 per relay.) 1. Energizing coil transfers main and auxiliary switches instantly. 2. De-energizing coil resets auxiliary switch and begins time delay. 3. Main switch transfers after total preset delay. Auxiliary switch is factory adjusted to give instant transfer operation. Two-step timing may be set at the factory to cus- tomer specification up to a 3:2 ratio. The Double Head model provides delayed switch transfer on energization of its coil, and delayed resetting upon coil de- energization. Each delay period is independently adjustable. In new circuit designs or the improvement of existing controls now using two or more conventional timers, the Double Head unit offers distinct advantages. Its compact design saves panel space, while the simplified wiring reduces costly interconnection. On-delay, Off-delay Model 7032 (Double Head) With the addition of an extra switch block at the bottom of the basic unit, this version of the Series 7000 offers four pole switch capacity with simultaneous timing or two-step timing. The two-step operation is achieved by factory adjustment to your specifications. For two-step operation, a maximum timing ratio between upper and lower switches of 3:2 is recommended. Once ad- justed at the factory, this ratio remains constant regardless of changes in dial settings. (Ex: If upper switch transfer is set on dial at 60 sec., minimum time on lower switch should be 40 sec.) This Series 7000 unit offers many of the performance fea- tures found in basic models — voltage ranges, timing and switch capacities. Four pole models add approximately 1-1/4" to the maxi- mum height of the basic model, approximately 1/8" to the depth. They are designed for vertical operation only. On-delay Model 7014, Off-delay Model 7024 |
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