
IPDP - installation and operating instructions
7
For IPDP is necessary used the AC voltage of min. 10Vst - max. 15Vst or DC
voltage of min. 12Vss to max. 18Vss must be energized to “12V” terminal. This
source loading depends on number of modules, since it simultaneously serves
feeding of lighting through visiting cards – at max. number of connected
modules the demand will not exceed 300mA. This source can be also used for
feeding of lock(s), and then it is necessary to consider the electrical lock
demand. In practice the alternating feeder 12V/1A mostly meets these
demands.
The connection of relay contact terminals is shown on fig. 1. The “NO”
designation means an idle-disconnected contact, “COM” means a pin contact
(middle) and “NC” means an idle-connected contact. The contacts of both
switches are galvanically isolated each other and from other guard circuits. The
variants of connection are shown on picture. 2.
Picture 2 Examples of relays connections
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