37
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
FAULT
ALARM
ON
A4 A3 A2 A1 A0
K12
K11
K10
K9
K8
K7
K6
K5
K4
K3
K2
K1
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
24
11
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.
