+
Single-phase
current
source
−
DC
+
power
supply
−
+
Reference
voltage
source
−
+
DC
voltmeter
0V
+
Single-phase
current
source
−
DC
+
power
supply
−
+
Reference
voltage
source
−
+
DC
voltmeter
−
+
Single-phase
current
source
−
DC
+
power
supply
−
+
Reference
voltage
source
−
+
DC
voltmeter
−
Figure 6.5.1.3 (b) On-site Setup for Testing Differential Element
• Press 4 (=Logic circuit) on the "TEST" sub-menu screen to display the "Logic circuit" screen.
TB1
-1
A
-2
φ
TB4
-A16
-A17
PULSE
Oscillo-
scope
TB1
-1
A
-2
φ
TB4
-A16
-A17
PULSE
Oscillo-
scope
TB1
-1
A
-2
φ
TB4
-A16
-A17
PULSE
Oscillo-
scope
250
GRL100
TX1
CH1
I a
RX1
TX2
CH2
RX2
Monitoring
jack
A
B
0V
Telecomm.
Circuit
GRL100
TX1
CH1
I a
RX1
TX2
CH2
RX2
Monitoring
jack
A
B
0V
GRL100
TX1
I a
CH1
RX1
TX2
CH2
RX2
Monitoring
jack
A
B
0V
6 F 2 S 0 8 5 0