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TGH1266E - 05/04
Practical Use
A1 A2 K1 K2 K3 K4 K5 K6 K7 K8 K9
A B R1 R2 l
K12 K11 K10
11 12 14
on
off
RS485
TEST
RESET
FAULTALARMON
A4 A3 A2 A1 A0
K12K11K10K9K8K7K6K5K4K3K2K1
I∆s
SLAVE ADDRESS
MONITOR
A1 A2
F1 F2
K1+ K1- K2+ K2-
L1 L2 L3
E
ON
PGH470
GENERATOR
A1 A2
GND IN1 IN2 IN3 IN4 O1+ O1- O2+ O2-
A B 21 22 2411
PRC470
12 14
ALARM RS485
RS485
EDS-System
• For each measurement, wait for one cycle of the PGH470 test device (approximately 24
seconds).
Use of an EDS165 in an IT system with an EDS470 insulation fault location device as a fixed
installation. In addition to the messages from PRC470 and EDS470-12, the portable EDS165
insulation fault evaluator can be used to check individual junctions and to display the test currents.
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