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R7EWTU
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-7818 Rev.2 P. 10 / 18
■
MODBUS SETTING
The device must be reset or the power supply to it must be turned off and on in order to enable the Modbus setting.
ADDR. WORD PARAMETER
UNIT
5738
1
RUN LED time out
RUN LED turns off if the unit receives no Modbus command for the specified time period.
0 to 32 000 : Specified value × 0.1 second
Factory setting : 10
Sec./10
5739
2
Modbus/TCP IP address
IP address is stored in the form of ‘A.B.C.D’ in the following address:
Address
Upper Byte
Lower Byte
5739
A
B
5740
C
D
Factory setting : 192.168.0.1
---
5741
2
Modbus/TCP subnet mask
Subnet mask is stored in the form of ‘A.B.C.D’ in the following address:
Address
Upper Byte
Lower Byte
5741
A
B
5742
C
D
Factory setting : 255.255.255.0
---
5743
2
Modbus/TCP default gateway
Default gateway is stored in the form of ‘A.B.C.D’ in the following address:
Address
Upper Byte
Lower Byte
5743
A
B
5744
C
D
Factory setting : 0.0.0.0
---
5745
1
Modbus/TCP port No.
0 to 65535
Factory setting : 502
---
5746
1
Modbus/TCP connection time out
Connection is severed if no communication is established for the specified time period.
0 to 32 000 : Specified value × 0.1 second
Factory setting : 600
Sec./10
■
DEMAND SETTING
ADDR. WORD PARAMETER
UNIT
5857
1
Average (demand) current update interval
0 : External trigger signal
1 to 60 : Minutes
Factory setting : 30
Minutes
5858
1
Average (demand) power update interval
0 : External trigger signal
1 to 60 : Minutes
Factory setting : 30
Minutes
■
STYLE SETTING
ADDR.
WORD
PARAMETER
5987
1
Power factor (PF1 through PF3, PF) sign
0 : Standard (IEC) (*)
Identical to the active energy
1 : Special type 1 (IEEE) Positive in LAG, Negative in LEAD
5988
1
Reactive power (Q1 through Q3, Q) sign
0 : Standard (IEC) (*)
Positive from [PF = 1.0] to 180° in LAG direction; Negative for the other direction
1 : Special type 1
Positive in LAG, Negative in LEAD
5989
1
Reactive power (Q1 through Q3) calculation (Q = Q1 + Q2 + Q3)
0 : Standard (*)
Qn = √Sn
2
– Pn
2
1 : Reactive power meter method Qn =
1
Nsmp
Nsmp
(Un
i
– Nu
i
) I
i + (Nsmp / 4)
∑
i = 1
5990
1
Apparent power (S) calculation
0 : Standard (*)
S = √P
2
+ Q
2
1 : Sum
S = S1 + S2 + S3
(*) Factory setting
Note: ‘1,’ ‘2,’ ‘3’ in expressions like Q1, Q2, Q3 indicate ‘R,’ ‘S,’ ‘T’ respectively.