
Rockwell Automation Publication 1420-UM001E-EN-P - March 2016
21
Installation and Wiring
Chapter 2
Figure 13 - 3-phase, 3-wire Delta, Unbalanced Load
Figure 14 - 3-phase, Single CT, Balanced Load
Line
L 1
Fuse
PT 1
(VT 1)
Load
Ground
Shorting
terminal block
S 1
I1
Ground
CT
1
L 2
L 3
L 1
S 2
PM 500
3-CT and 2-PT/VT Connections (Open Delta)
S 1
I2
CT
2
S 2
S 1
I3
CT
3
S 2
Fuse
L 2
PT 3
(VT 3)
L 3
N
Line
L 1
Fuse
Load
Ground
Shorting
terminal block
S 1
I1
CT
1
L 2
L 3
L 1
S 2
PM 500
3-CT Connection
S 1
I2
CT
2
S 2
S 1
I3
CT
3
S 2
Fuse
L 2
Fuse
L 3
N
Fuse
Meter Configuration: System = 3P
Line
Load
Ground
PM 500
2-CT and 2-PT/VT Connections (ARON) (Open Delta)
Line
L 1
Fuse
Load
Ground
Shorting
terminal block
S 1
I1
CT
1
L 2
L 3
L 1
S 2
PM 500
2-CT Connection (ARON)
S 1
I2
S 2
S 1
I3
CT
3
S 2
Fuse
L 2
Fuse
L 3
N
Shorting
terminal block
S 1
I1
CT
1
S 2
S 1
I2
S 2
S 1
I3
CT
3
S 2
L 1
Fuse
PT 1
(VT 1)
Ground
L 2
L 3
L 1
Fuse
L 2
PT 3
(VT 3)
L 3
N
Fuse
Line
L 1
N
Fuse
PT 1
(VT 1)
Ground
L 2
L 3
L 1
PM 500
1-CT and 3-PT/VT Connections
Fuse
PT 2
(VT 2)
L 2
Fuse
PT 3
(VT 3)
L 3
N
Line
L 1
N
Fuse
L 2
L 3
L 1
PM 500
1-CT Connection
Fuse
L 2
Fuse
L 3
N
Line
PM 500
1-CT and 2-PT/VT Connections
(Open Delta with balanced load)
Load
Ground
Shorting
terminal block
S 1
S 2
I1
CT
Load
Ground
Shorting
terminal block
S 1
S 2
I1
CT
Load
Ground
Shorting
terminal block
S 1
S 2
I1
CT
L 1
Fuse
PT 1
(VT 1)
Ground
L 2
L 3
L 1
Fuse
L 2
PT 3
(VT 3)
L 3
N
Fuse
Meter Configuration: System = 3P.1
Summary of Contents for 1420-V1
Page 4: ...4 Rockwell Automation Publication 1420 UM001E EN P March 2016 Summary of Changes Notes...
Page 6: ...6 Rockwell Automation Publication 1420 UM001E EN P March 2016 Table of Contents Index 85...
Page 46: ...46 Rockwell Automation Publication 1420 UM001E EN P March 2016 Chapter 4 Communication Notes...
Page 88: ...88 Rockwell Automation Publication 1420 UM001E EN P March 2016 Index Notes...
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