SINGLE POLE, DOUBLE THROW (SPDT)
24VDC Power Supply
Power-Limited circuits
NO1
1
NC1
2
3
C1
NO2
NC2
4
5
VIN+
VOUT-
VIN-
VOUT+
1
2
3
4
LPY1+
LPY1-
LPX1+
LPX1-
13
Aux. Relay Output (Note 3)
CONTACT RATINGS:
2A @ 30 VDC
C2
NO3
6
7
NC3
C3
8
9
NC4
11
NO4
10
C4
12
(+)
(NOTE 4)
Power Limited (Note 2)
(Note 6)
Aux. (unsupervised) supply
15
14
16
17
18
19
20
28V (FUSED)
GND
Maximum current drawn from this supply
Relay outputs can be supervised or
unsupervised. Non power-limited circuits
must not be connected to these relays.
pin 17-20. The 2nd located at J6 pin 1-4
Omit link for stub operation.
6.
should not exceed 250mA.
(Max. of 8 ACDI modules)
Use only UL Listed for Fire Protective Signaling Systems
(ULC Listed in Canada) regulated, isolated 24VDC power
supply (supervised and power limited).
Two addressable device loops are
available, the 1st located at J7
5.
4.
3.
DEVICE WIRING
Loop wiring supervised/power-limited.
To be used to power ACDI
modules only.
NOTES:
Devices wired in accordance with
system wiring diagrams.
Max. voltage: 28VDC
Max. current: 500 mA, 250mA per loop
Max. wire resistance: 40 ohms
Max. inductance: 1mH
Max. Capacitance: 0.5uF
Max. Length: 4000 Ft.
Nominal voltage: 24 VDC.
Use shielded, twisted pair wires
of appropriate gauge
2.
(-)
1.
ADDRESSABLE
(NOTE 1)
J
7
ADI CARD
J6
ADDRESSABLE
DEVICES
Power-Limited circuits
LPX2-
LPX2+
LPY2-
LPY2+
Minimum detected ground fault impedance is 1K ohms.
Figure 43: ADI Card Wiring - Stub and Loop Mode
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