62
Figure 21 Main Power Supply Wiring and Connections
7.6.2 Supervision of Auxiliary Supplies
Aux 2 Resettable Auxiliary Power (supervised, regulated)
The AUX 2 resettable auxiliary power supply is supervised for shorts.
A short will:
•
Disconnect the power until the “RESET” button is pressed.
•
Generate a trouble signal
The circuit must be supervised for opens utilizing the End of Line Relay Model EOLR-1A. This
supply is rated at 24VDC regulated/300mA max/1V voltage drop maximum.
240
V
A
C
50
H
z
120
V
A
C
60
H
z
N
Gr
o
u
n
d
BATTERY
+
-
BATTERY
+
-
BLACK
RED
RED
BLUE
BLACK
MD-819
Power
Supply Board
MR-3318 Main Board
Ribbon Cable
Power Connector
Содержание MR-3318
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