Simplex 4008-9101 - Auxiliary 24 V Power Wiring

Chapter 2. Installation/System Checkout
2-11
Auxiliary 24V Power Wiring
• All wiring is to be 18 AWG (min.) to 12 AWG (max.)
• Conductors must test free of all grounds and stray volt-
ages before connection to appliances and panel.
• All wiring is supervised and power limited.
• Voltage rating (24 VDC special application): 1 V p-p
ripple (maximum)
- 0.5 A maximum available aux 24 V from EPS
- Additional 0.5 A maximum available from Main
System Board (MSB) AUX 24 V
- 3 A total available from MSB NACs and MSB
AUX 24 V.
- 3 A total available from EPS NACs and EPS AUX
24 V.
• Compatible with Simplex 4098 Series Peripherals; 2098
Series Relay Modules; all Simplex 4090 Series IDNet
Peripherals; and 4610-9111 / 4606-9101 Annunciators.
• If wiring is routed outside the building, use of a listed
secondary protector is required. Use Simplex Model
2081-9028 or 2081-9044. A protector must be installed
at each building exit/entrance. Each 2081-9044 adds 6
ohms wiring resistance, and is rated for 200mA. Each
2081-9028 adds .2 ohms wiring resistance, and is rated
for more than 1/2A Aux. 24V capacity.
• Compatible devices must operate from a range of 19.5
to 28 VDC or greater, and have a total current draw of 1/
2 A or less.
Figure 2-13 Auxiliary 24V Power Wiring
TB1
DANGER
HIGH VOLTAGE
IN THIS AREA
DACT TELEPHONE
CONNECTIONS
EXPANSION POWER SUPPLY ASSY.
NAC MODULE
TB2
MSB AUX 24V
1 / 2 MAX.
MSB AUX 24V
1 / 2 MAX.
EPS
POWER SUPPLY MODULE
TB5
1 2 3 4 5 6 7 8
TB1
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8
1 2 3 4 5 1 2 3 4 5 6 7 8
TB3
MAIN SYSTEM BOARD - ADDRESSABLE (MSB - A)
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