M500-05-00 3 I56-314-14
Figure 7. Typical wiring for speaker supervision and switching, NFPA Style W:
Figure 8. Typical fault tolerant wiring for speaker supervision and switching, NFPA Style X:
A78-2284-14
Figure 6. Typical fault tolerant indicating circuit configuration, NFPA Style X:
A78-2283-06
1 (–)
2 (+)
MODULE
FROM PANEL OR
(+)
(–)
TO NEXT
(+)
(–)
DEVICE
(+)
(–)
3 (–)
4 (+)
(+) 9
(–) 8
(–) 7
(+) 6
XXX 5
CONTROL
(–)
(+)
(–)
(+)
UL LISTED EOL RELAY
SHOWN ENERGIZED
24VDC COIL
A77-7168
OR EQUAL
XXX - DO NOT
USE TERMINAL 5
TO NEXT CONTROL MODULE OR END
OF LINE RELAY (EOLR); ONE EOLR
REQUIRED PER 24 VDC BRANCH CIRCUIT
MODULE POLARITIES ARE
SHOWN IN ALARM
CONNECT MODULES TO LISTED COMPATIBLE
USE UL LISTED INDICATING APPLIANCES
RESISTIVE: 1.5 A @ 30 VDC*
INDUCTIVE: 1 A @ 30 VDC (.6 PF)
PILOT DUTY: .6 A @ 30 VDC (.35 PF)
MAXIMUM LOAD:
24 VDC BRANCH CIRCUIT
3 & 4. BREAK WIRE RUN TO PROVIDE
SUPERVISION OF CONNECTIONS.
DO NOT LOOP WIRE ON TERMINALS
ALL WIRING SHOWN IS SUPERVISED
AND POWER LIMITED
(+)
ISOLATED REGULATED, 24 VDC
POWER SUPPLY, LISTED FOR FIRE
PROTECTION WITH BATTERY BACKUP
(MONITOR LOSS OF PRIMARY POWER)
EXTERNAL POWER SOURCE MUST BE
POWER LIMITED PER NFPA 70
M500CH
CONTROL PANELS ONLY
INDICATING APPLIANCE CIRCUIT (IAC) - NFPA STYLE X
PREVIOUS DEVICE
EOL RESISTOR IS
INTERNAL AT
TERMINALS 8 & 9
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
COMMUNICATION LINE
(–)
1 (–)
2 (+)
MODULE
FROM PANEL OR
(+)
(–)
TO NEXT
(+)
(–)
DEVICE
(+)
(–)
3 (–)
4 (+)
(+) 9
(–) 8
(–) 7
(+) 6
XXX 5
CONTROL
(–)
(+)
(–)
(+)
XXX - DO NOT
USE TERMINAL 5
TO NEXT CONTROL MODULE
LAST MODULE MUST RETURN
WIRES FOR SUPERVISION
MODULE POLARITIES ARE
SHOWN IN ALARM
CONNECT MODULES TO LISTED COMPATIBLE
AUDIO BRANCH CIRCUIT
3 & 4. BREAK WIRE TO ENSURE
SUPERVISION OF CONNECTIONS.
DO NOT LOOP WIRE AROUND TERMINALS
ALL WIRING SHOWN IS SUPERVISED.
(+)
M500CH
CONTROL PANELS ONLY
PREVIOUS DEVICE
47 K EOL
RESISTOR
A2143-00
32 VDC MAX.
TWISTED PAIR
IS RECOMMENDED
COMMUNICATION LINE
(–)
AUDIO AMPLIFIER
70.7 Vrms MAX.
SPEAKER SWITCHING CIRCUIT - NFPA STYLE W
SPEAKERS MUST BE LISTED FOR FIRE PROTECTION
MAXIMUM LOAD: 43.75 WATTS MAX.
UP TO 70.7 Vrms
(.35 POWER FACTOR)
WIRES MUST BE SUPERVISED PER NFPA
AMP. WIRE
SUPERVISION
CIRCUIT
WHEN A 70.7V AUDIO AMPLIFIER IS USED, TERMINALS 1 AND 2 ARE POWER LIMITED,
WHILE TERMINALS 3-9 ARE NONPOWER LIMITED. IN THIS CASE THE CB500 BARRIER
IS REQUIRED. OTHERWISE, ALL TERMINAL WIRING IS POWER LIMITED.
THE CB500
INCLUDES A LABEL INDICATING WHICH TERMINALS ARE NONPOWER LIMITED. THIS
LABEL MUST BE PLACED OVER THE POWER-LIMITED TERMINAL INFORMATION ON
THE NAMEPLATE LABEL, PRESENT ON THE MODULE HOUSING.
1 (–)
2 (+)
FROM PANEL OR
(+)
(–)
TO NEXT
(+)
(–)
DEVICE
(+)
(–)
3 (–)
4 (+)
(+) 9
(–) 8
(–) 7
(+) 6
XXX 5
CONTROL MODULE
(–)
(+)
(–)
(+)
XXX - DO NOT
USE TERMINAL 5
TO NEXT CONTROL MODULE
LAST MODULE MUST RETURN
WIRES FOR SUPERVISION
MODULE POLARITIES ARE
SHOWN IN ALARM
CONNECT MODULES TO LISTED COMPATIBLE
AUDIO BRANCH CIRCUIT
3 & 4. BREAK WIRE TO ENSURE
SUPERVISION OF CONNECTIONS.
DO NOT LOOP WIRE AROUND TERMINALS
ALL WIRING SHOWN IS SUPERVISED.
(+)
M500CH
CONTROL PANELS ONLY
PREVIOUS DEVICE
EOL RESISTOR IS
INTERNAL AT
TERMINALS 8 & 9
32 VDC MAX.
SHIELDED, TWISTED
PAIR IS RECOMMENDED
COMMUNICATION LINE
(–)
AUDIO AMPLIFIER
70.7 Vrms MAX.
AMP. WIRE
SUPERVISION
CIRCUIT
SPEAKER SWITCHING CIRCUIT - NFPA STYLE X
SPEAKERS MUST BE LISTED FOR FIRE PROTECTION
MAXIMUM LOAD: 43.75 WATTS MAX.
UP TO 70.7 Vrms
(.35 POWER FACTOR)
(+) (–)
WIRES MUST BE SUPERVISED PER NFPA
BYPASS CAPACITORS : 100 µ f, 10V
A2143-20 NONPOLARIZED
<10 µ A LEAKAGE
A78-2285-03
WHEN A 70.7V AUDIO AMPLIFIER IS USED, TERMINALS 1 AND 2 ARE POWER LIMITED,
WHILE TERMINALS 3-9 ARE NONPOWER LIMITED. IN THIS CASE THE CB500 BARRIER
IS REQUIRED. OTHERWISE, ALL TERMINAL WIRING IS POWER LIMITED.
THE CB500
INCLUDES A LABEL INDICATING WHICH TERMINALS ARE NONPOWER LIMITED. THIS
LABEL MUST BE PLACED OVER THE POWER-LIMITED TERMINAL INFORMATION ON
THE NAMEPLATE LABEL, PRESENT ON THE MODULE HOUSING.
A78-2285-15
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