Modbus - Mapping - M-system R9MWTU Instruction Manual

MODBUS - MAPPING

■ PARAMETER TYPES
TYPE WORD
Current 2
Voltage 2
Active power 2
Reactive power 2
Apparent power 2
Power factor 2
Frequency 2
Active energy 2
Reactive energy 2
Harmonic distortion 1
Date/time 3
*1. Reset to 0 at overflow
■ ADDRESS
If base address and offset is given separately in the following tables, add both values to determine the address for a particular
parameter.
[Example]
Ch. 1, Line 1 current, Present value = 65 + 0 = 65
Ch. 1, Line 1 current, Max. value = 65 + 10 = 75
• Voltage and Frequency
PARAMETER
Delta voltage, 1 – 2
Delta voltage, 2 – 3
Delta voltage, 3 – 1
Phase voltage, Phase 1
Phase voltage, Phase 2
Phase voltage, Phase 3
Total voltage *2
Frequency
*2. Total voltage
Single-phase/2-wire: Phase 1 voltage
Single-phase/3-wire: (Phase 1 + 3) / 2
Three-phase/3-wire: {Delta (1 – 2) + (2 – 3) + (3 – 1)} / 3
UNIT
mA 0 to 2 000 000 000 mA
V/100 0 to 20 000 000.00 V
W -2 000 000 000 to 2 000 000 000 W
var -2 000 000 000 to 2 000 000 000 var
VA 0 to 2 000 000 000 VA
cos φ
-1.0000 to 1.0000
Hz/100 0 or 40.00 Hz to 70.00 Hz
kWh/10 0 to 99 999 999.9 kWh *
kvarh/10 0 to 99 999 999.9 kvarh *
%/10 0 to 999.9 %
--- Each value is in BCD format.
Year value represented in the offset from 2000.
e.g. 100817160752h = Year 2010, August 17, 16:07:52
b48
Year
PRESENT MAX MIN
1 17 33
3 19 35
5 21 37
7 23 39
9 25 41
11 27 43
13 29 45
15 31 47
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
RANGE
1
1
b40 b39 b32 b31 b24 b23
Month Day
• Current
PARAMETER
Ch. 1 Current
Ch. 2 Current
Ch. 3 Current
Ch. 4 Current
Ch. 5 Current
Ch. 6 Current
Ch. 7 Current
Ch. 8 Current
Ch. 9 Current
Ch. 10 Current
Ch. 11 Current
Ch. 12 Current
Ch. 13 Current
Ch. 14 Current
Ch. 15 Current
Ch. 16 Current
PARAMETER
Current, Line 1
Current, Line 2
Current, Line 3
Neutral current
Total current * 3
*3. Total current
Single-phase/2-wire: Line 1 current
Single-phase/3-wire: (Line 1 + 3) / 2
Three-phase/3-wire: (Line 1 + 2 + 3) / 3
R9MWTU
b16 b15 b8 b7
Hour Minute Second
BASE ADDRESS
BASIC UNIT
65
97
129
161
193
225
257
289
R9WTU-EP8
321
353
385
417
449
481
513
545
OFFSET
PRESENT MAX
+0 +10
+2 +12
+4 +14
+6 +16
+8 +18
EM-6221 Rev.9 P. 14 / 20
b0
MIN
+20
+22
+24
+26
+28