Simple Measurement - Mitsubishi EMU4-BM1-MB User Manual

7.3 Simple measurement

This unit is equipped monitoring function without input voltage.
Each measurement elements calculated by the voltage and power factor and input current.
Measurement resolution is not guarantee.
7.3.1 Measurement elements
The elements can measure are showed below table.
In the case displaying in Display unit.
Present value
Electric energy
Present value
Converted electric energy
Present value
Periodic electric energy
Present value
Operating time
Present value
Pulse count
Present value
Pulse converted value
1,2,3,N,Total
Current
1,2,3,N
Current demand
Max,Min
Present value
Electric power
Present value
Electric power demand
Max,Min
Present value
Reactive power
Present value
Apparent power
Present value
Reactive energy
Present value
Current unbalance rate
Present value
Present value
Time
─
Error
※1 2 and 3 phases is not displayed in wiring setting 1P2W. N phase is only displayed in 3P4W setting.
※2 Current unbalance rate, voltage unbalance rate is displayed 0% in 1P2W setting.
※3 Apparent power is only measured in 3P4W setting.
※4 Present time is only displayed when connected EMU4-LM.
In the case monitoring by MODBUS communication.
Electric energy
Converted electric
energy
Periodic electric
energy
Operating time
Pulse count
Pulse converted
value
Current
Current demand
Electric power
Electric power
demand
Reactive power
Apparent power
Reactive energy
Current unbalance
rate
Time
Error
EMU4-BM1-MB
Wh+A+4 elements
1P2W
1 circuit 2 circuits
measuring measuring
● ●
─ ─
─ ─
○ ○
─ ─
※1
● ●
※1
○ ○
○ ○
─ ─
○ ―
○ 2 ○ 2
※ ※
● 4 ● 4
※ ※
● ●
Model
EMU4-BM1-MB
1P2W
Wiring
1 circuit
type
measuring
Present value ●
Present value ─
Present value ─
Present value ●
Present value
─
Present value
1,2,3,N, total
1,2,3,N ●
Max, Min
Present value
Present value ●
Max, Min
Present value ●
Present value ─
Present value ●
Present value
●
Max
Present value ―
─ ●
Wh+A+4 elements
1P2W
1P3W
1 circuit 2 circuits
/3P3W
measuring measuring
● ●
─ ○
─ ○
○ ○
─ ○
● ●
○ ○
○ ○
─ ─
○ ○ ―
○ ○ 2 ○
※
● 4 ● 4 ●
※ ※
● ●
1P3W
2 circuits 1 circuit
/3P3W
measuring measuring
● ● ●
─ ─ ●
─ ─ ●
● ● ●
─ ─ ●
● ● ●
● ● ●
● ● ●
─ ─ ─
― ● ─
● ● ─
― ― ―
● ● ●
29
EMU4-HM1-MB
Harmonics
1P2W
1P3W
/3P3W
1 circuit
/3P4W
measuring
● ● ●
○ ○ ●
○ ○ ●
○ ○ ●
○ ○ ●
● ● ●
○ ○ ●
○ ○ ●
─ ○ 3 ─
※
○ ─
2 ○ ─
※
4 ● 4 ● 4
※ ※ ※
● ● ●
EMU4-HM1-MB
1P2W
1P3W
/3P3W
2 circuits
/3P4W
measuring
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
─ ─
─ ─
─ ●
― ―
● ●
1P3W
/3P3W
2 circuits
/3P4W
measuring
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
─ ─
─ ─
─ ○
● 4 ● 4
※ ※
● ●