Crow EDS-2000 Istruzioni per l'installazione e manuale d'uso - Pagina 11
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7
Terminal Block Connections
Terminal 1 - Marked "+" (+12V) - Connect to a positive Voltage of 9.6 -16Vdc source
(usually from the alarm CP)
Terminal 2 - Marked "-" (GND) - Connect to the ground of the CP.
Terminals 3 & 4 - Marked "TAMPER" - If a Tamper function is required connect these
Terminals to a 24-hour normally closed protective zone in the CP.
If the top cover of the detector is opened or the detector is detached from installation wall, an
immediate alarm signal will be sent to the CP.
Terminal 5 - Marked "EOL" - End of line – optional terminal for end of line resistors
connections.
Terminals 6, 7 & 8 - Marked "NC / C / NO" - These are the output relay contacts of the
detector. Connect to a normally closed or normally opened zone in the control unit. When an
intruder is detected, alarm relays (N.C. and N.O.) will switch for 1.8 sec.
7.1 Wire Size Requirements
Use #22 AWG or larger wires. Use the following table to determine required wire gauge and
length.
Wire Length [m]
Wire Length [ft.]
Wire Gauge [#]
205
310
510
800
1200
2000
22
20
18
11
870
3400
16