D7418/4-UL
POLAR DIAGRAM OF TONE 11
(see Website for all other tones)
FIGURE 1: DC INPUT - 2nd STAGE WITH THIRD WIRE
LINE INTEGRITY ON DC SYSTEMS
- FOR 3 WIRE 2 STAGE ALARM SYSTEM,
MONITOR VIA REVERSE POLARITY
- FOR 2 WIRE 2 STAGE ALARM SYSTEM,
MONITOR VIA THRESHOLD (APPLIED
VOLTAGE<1V)
FIGURE 2: DC INPUT - 2nd STAGE BY SUPPLY REVERSAL
AN END-OF-LINE (E.O.L) RESISTOR IS
REQUIRED FOR LINE MONITORING AND
IT SHOULD BE A MINIMUM RESISTANCE
OF 3K3 OHMS AND 0.5WATTS, WIRE-
WOUND OR METAL FILM TYPE
FIGURE 3: AC INPUT
SOUND
SELECTION
FIGURE 4: SYSTEM CONNECTION
1st SOUNDER
2nd SOUNDER
1st SOUNDER
2nd SOUNDER
Note: The power supply for the Xenon Beacons (
STROBES ) is via the on-board terminal block:
For DC: Terminal ( + ) for +ve and Terminal ( - ) for 0v
For AC: Terminal ( L ) for LIVE and Terminal ( N ) for
NEUTRAL.
A GROUP OF R. STAHL, WALDENBURG, GERMANY
R. STAHL (P) Ltd.,
R. STAHL (P) Ltd.,
R. STAHL (P) Ltd.,
R. STAHL (P) Ltd.,
Plot No: 5, Malrosapuram Main Road, Sengundram Industrial Area, Malrosapuram – Post,
Singaperumal Koil, Chengalpet – Taluk, Kanchipuram District. Pin : 603204,
Phone +91 44 30600600 | Fax +91 44 30600700
www.stahl.de
