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D4BL-3DRA-A Datasheet(PDF) 9 Page - Omron Electronics LLC |
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D4BL-3DRA-A Datasheet(HTML) 9 Page - Omron Electronics LLC |
9 / 12 page D-144 Safety Sensors / Components Precautions Caution Do not insert the Operation Key to the Switch with the door open. Before using the machine, be sure to remove the shock-absorbing damper, which is provided before shipping. Otherwise the ma- chine may start operating and injury may be caused. Mount the Operation Key at a location where it will not come in con- tact with users when the door is opened or closed. When operating the D4BL as a part of a safety circuit or an emer- gency stop circuit to prevent injury, operate the NC contacts that have a direct opening mechanism in direct opening mode. For safety purposes, tighten the switch body and Operation Key with one-way screws or equivalents or install a switch protection cover and warn- ing label for safety purposes to prevent easy removal of the D4BL. Connect the fuse to the D4BL in series to prevent it from short-circuit damage. The value of the breaking current of the fuse must be calcu- lated by multiplying rated current by 150% to 200%. When using the D4BL with EN ratings, use 10-A fuse Type gI or gG that complies with IEC60269. In order to prevent the D4BL from burning due to overvoltage, insert a protection fuse into the solenoid circuit. If the D4BL is imposed with force exceeding the lock strength, the D4BL may break and the equipment may continue to operate. Auxiliary Release Key The auxiliary release key is used to unlock the D4BL in case of emergency or in case the power supply to the D4BL fails. Use an appropriate tool to set the auxiliary release key to UNLOCK so that the lock will be released and the door can be opened. The auxiliary release key applied to the door of a machine room ensures the safety of people adjusting the equipment in the machine room. If the auxiliary release key is set to UNLOCK, the door will not be locked when the door is closed and no power will be supplied to the equipment. To lock the door, set the auxiliary release key to LOCK. Do not use the auxiliary release key to start or stop machines. To prevent the auxiliary release key from being handled carelessly by unauthorized people, seal the auxiliary release key with sealing wax and the provided seal cap to ensure IP67. Make sure that the auxiliary release key is kept with the person in charge. Before attaching the cover to the D4BL, make sure that the auxiliary release key position is set to LOCK. Stopper Correct Use Operating Environment Due to the wear and tear of the sealing of the D4BL, water and some types of oil and chemical sprayed onto the D4BL may cause contact or insulation failures, current leakages, or fires. Do not use the D4BL in the following locations. • Locations subject to severe temperature changes • Locations subject to high temperatures or condensation • Locations subject to severe vibration • Locations where the product may come in contact with metal dust, oil, or chemicals Operation Key The D4BL is provided with a shock-absorbing damper to protect the D4BL from damage that may result from dropping the D4BL during transportation. Be sure to remove the damper after mounting the D4BL. The mounting tolerance of the Operation Key is ±0.3 mm vertically or horizontally. Be sure to mount the D4BL correctly without leaning, otherwise the D4BL may soon break or wear out. Do not drop the D4BL with the Operation Key inserted, otherwise the Operation Key may deform or break. UNLOCK LOCK Auxiliary release key Stopper Switch Do not use the Switch as a stopper. When mounting the Switch, be sure to lo- cate a stopper as shown in the following illustration to prevent the top of the Operation Key from hitting the switch head. ±0.3 min. ±0.3 min. |
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Similar Description - D4BL-3DRA-A |
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