Videx 6758, Руководство по установке

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66250862-EN - V4.0 - 15/03/19
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VK8K/6758 Series “6 wire Bus” videokit
VK8K/6758 Series - Installation handbook
Art. 8800 - Art. 8800-3
Digital codelock module
Fig. 1
DESCRIPTION
Access control system with 2 codes and 2 Relay outputs for
Art. 8800 (3 codes and 3 Relay outputs for Art. 8800-3).
• Engineer’s code to enter into the “Programming Menu” ( from
4 to 8 digits).
• Programming of the activation time of each relay from 1 up to
99 seconds or latching.
• Possibility to activate relay 1 by shorting terminal SW1 to GND
and relay 2 by shorting terminal SW2 to GND . Both relays will
operate for the programmed time.
• Keypad gives an acoustic (buzzer) signal during the entering
of codes and a continuous melody for 4 or more seconds, ac-
cording to the number of mistakes (self protection).
• Keypad includes panel illumination and 2 LED’s to show the
following:
» Correct relay code (green LED on for 2 seconds).
» Red LED to indicate when in the “programming menu”.
AVAILABLE VERSIONS
Art. 8800:
Module 2 Relay with keypad illumination LEDs
Art. 8800-3: Module 3 Relay with keypad illumination LEDs
GENERAL DIRECTIONS FOR INSTALLATION
In order to achieve the best results from the schematics described it is necessary to install only original VIDEX equipment, strictly
keeping to the items indicated on each schematic and follow these General Directions for Installation:
• The system must be installed according to national rules in force, in any case the running of cables of any intercom unit must be
carried out separately from the mains;
• All multipair cables should be compliant to CW1308 specification (0.5mm twisted pair telephone cable.
» Cables for speech line and service should have a max resistance of 10Ω
» Lock release wires should be doubled up (Lock release wires and power supply wires should have a max resistance of 3Ω);
• The cable sizes above can be used for distances up to 50m. On distances above 50m the cable sizes should be increased to keep
the overall resistance of the cable below the RESISTANCES indicated above;
• Double check the connections before power up;
• Power up the system then check all functions.
LOCK RELEASE BACK EMF PROTECTION
A varistor must be fi tted across the terminals on AC lock release (Fig.1A) and a diode must be fi tted across the terminals on a DC
lock release (Fig.1B) to suppress back EMF voltages. Connect the components to the lock releases as shown in fi gures.
VARISTOR (MOV)
12V AC
LOCK RELEASE
Fig. 1A
DIODE
1N4002
12V DC
LOCK RELEASE
Fig. 1B