XIM Technologies C3-X60 Series, Руководство по установке

Страница: 8 / 37

Installation Guide for C3-X60 Series Control Panel
4
11. The connection between a card reader and a control panel
should not be longer
than 100 meters
.
12. The connection between a PC and a control panel should be shorter than 1200m
for RS485 communications. A length
within 600m
is recommended to make
communications more stable.
13. To protect the access control system against the self-induced 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 self-induced electromotive force.
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.