
Installation procedures
25
851-160572 / B
ANALOG
POWER
SUPPLY
SWITCHED
POWER
SUPPLY
SERVICE
OFF
NORMAL
ON/OFF
RELAY
24V
STAND
BY
CAUTION
DO NOT PULL OUT THIS UNIT
BEFORE THE METER SHOWS
ZERO ( 0 ) VOLTAGE
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE
REPLACE ONLY WITH SAME
TYPE AND RATING OF FUSE.
+8V
AREF
-8V
+5VA
-5VA
+5V
+12V
-12V
+24V
GND
L204
F203
L203
S202
L202
L201
+24V
REF
F201
8A
F204
8A
F202
8A
F205
8A
SLOW
BLOW
SLOW
BLOW
HIGH
MIDDLE
LOW
f (SW)
MAINS INPUT
115/230V AC
S203
230V AC
S201
230V AC
P201
L207
F206
L206
L205
HV-POWER UNIT 290-112751POWER SUPPLY 290-112750
1
0
0
5
0
0
1
5
0
S202
S201
P201
S203
(CD3118 WMF/GIF)
Figure 17 The power supply
and the HV Power unit
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