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Table 5-5: Power Supply Components
Item Description
1 Voltage test points
2 AC/DC Input terminal block
3 Wiring label
4 Grounding lug (Reference; lug is not part of power supply; it is mounted to
bottom of rack.)
Table 5-6: Specification of power supplies
Item AC power supply DC power supply
Input voltage 100-240 V AC 24 V DC
Input voltage range 90 to 264 V AC 21 to 29 V DC
Output voltage 5 V DC and 24 V DC 5 V DC and 24 V DC
Input rating 130 VA 72.5 Watt
Output rating 58 Watt 58 Watt
Each power supply includes a non-field-replaceable internal fuse to
protect the supply under certain conditions. (External circuit breaker
must be added on both phases of L-N or L-L by the user for Division 2
and Zone 2, the circuit breaker is used for controlling power ON/OFF.)
Power consumption calculation for rack power supply
The following table outlines how to calculate power consumption for
a rack power supply. The wattage rating is 60W.
Table 5-7: Power consumption calculation for rack power supply
Module
A: Enter
Quantity
B: Max
Current
@ 5V
C: Max
Current
@ 24V
D:
Calculate
5V current
(D = A * B)
E:
Calculate
24V
current (E
= A * C)
CPM ( ) 750mA 0mA ( ) ( 0 )
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