24
Magtrol Model 6530 Three-Phase Power Analyzer
Chapter 3 – Installation/Configuration
SETUP
3.3.3
E
XTERNAL
S
ENSOR
If currents continuously reach above 20 amps, an external sensor must be used.
3.3.3.1
Hardware Connection
In any of the wiring modes, any one of the amp meters may be replaced. The following diagram
illustrates the connection.
COAXIAL CABLE
±
A
A
=
A
±
A
A
V
±
±
Figure 3–18 Sensor Substitution Wiring Schematic
A
N
A
L
O
G
O
U
T
P
U
T
A
±
±
V
±
V
±
V
±±
±
±
A
V
A
±
EXT.
SYNC.
EARTH
GROUND
20VA 50/60Hz
FUSE (5x20mm)
CAUTION: DOUBLE POLE FUSING
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
RS-232C
GPIB/IEEE-488
MAGTROL INC.
20 A
AMPS
750 V
VOLTS
MAX.
EXT.
MAX.
1000 V
MAX.
MAX.
±10 V
SENSOR
20 A
AMPS
750 V
VOLTS
MAX.
EXT.
MAX.
1000 V
MAX.
MAX.
±10 V
SENSOR
20 A
AMPS
750 V
VOLTS
MAX.
EXT.
MAX.
1000 V
MAX.
MAX.
±10 V
SENSOR
LOAD
MOV
CB
SHUNT
LOW
HIGH
EARTH
±
A
Figure 3–19 Sensor Substitution Wiring Connection