ZKaccess C3-100, Инструкция по установке и эксплуатации

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Instructions for Installation and Use of the C3­100/200/400 Control Panel
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13. To protect the access control system against the self­induced electromotive
force generated by an electronic lock at the instant of switching off/on, it is
necessary to connect a diode in parallel (please use the FR107 delivered with
the system) with the electronic lock to release the self­induced electromotive
force during onsite connection for application of the access control system.
14. It is recommended that an electronic lock and a control panel should use
respective power supplies .
15. It is recommended to use the power supply delivered with the system as the
control panel power supply.
16. In a place with strong magnetic interference, galvanized steel pipes or shielded
cables are recommended, and proper grounding is required.