EMS(Electricity Measurement System)-43 communication driver is the driver to communicate with power meter controller of ALGODUE electronica in Italy.
<Figure 1> is read setting example of EMS-43 communication driver.
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| <Figure 1> Read setting example of EMS-43 communication driver |
Device part of <Figure 1> input Com Port(COM1), Baud Rate(9600), Parity Bit(0), Data Bit(8), Stop Bit(1) respectively, according to setting of controller.
EMS-43 controller can set baud rate(300, 600, 1200, 2400,4800, 9600), parity bits(0, 1, 2), stop bits(1, 2) by using setting of communication parameter.
EMS-43 communication driver’s read schedule
Read schedule setting parameters are as follows:
1) Station – Controller station number(Logical Number).
2) Read Command – Command = 00, 06, 18, 28, 30, 61, 63, 78, 7F....
3) Read Start Address – Don't care.
4) Save start address for Communication Server – Saving start address of Communication Server.
5) Read Size – read size of word/float unit. ( Refer to <Table 1> ~ <Table 2> )
Read schedule example)
FLOAT, 1, 00, 0, 0, 1,
FLOAT,
1, 06, 0, 10, 1,
FLOAT, 1, 18, 0, 20,
1,
FLOAT, 1, 28, 0, 30, 1,
FLOAT, 1,
30, 0, 40, 1,
FLOAT, 1, 61, 0, 50, 1,
<Table 1> is read command and contents of One Phase System.
<Table 2> is read command and contents of Three Phase System
Read Command |
Contents |
Data Saving Address |
Remarks |
| 00 | Voltage (rms), | Start Add + 0 | |
| 06 | Current (rms) | Start Add + 0 | |
| Power Factor | Start Add + 1 | ||
| 18 | Apparent Power | Start Add + 0 | |
| Active Power | Start Add + 1 | ||
| 28 | Reactive Power | Start Add + 0 | |
| Frequency | Start Add + 1 | ||
| Temperature | Start Add + 2 | ||
| 30 | Active Energy | Start Add + 0 | |
| Apparent Energy | Start Add + 1 | ||
| Reactive Energy | Start Add + 2 | ||
| Reactive Capacitive Energy | Start Add + 3 | ||
| 61 | Maximum Current | Start Add + 0 ~ 6 | |
| Maximum Average Active Power | |||
| Maximum Average Apparent Power | |||
| Maximum Average Current | |||
| Average Active Power | |||
| Average Apparent Power | |||
| Average Current | |||
| 63 | Serail Number | save only STRING memory | String data |
| 78 | Firmware Version | Start Add + 0 | |
| 7F | Configuration | Start Add + 0 | |
| <Table 1> Read command and contents of One Phase System | |||
Read Command |
Contents |
Data Saving Address |
Remarks |
| 00 | System Voltage (rms), | Start Add + 0 ~ 6 | |
| Phase L1 Voltage (rms), | |||
| Phase L2 Voltage (rms), | |||
| Phase L3 Voltage (rms), | |||
| Phase L1-L2 Voltage (rms), | |||
| Phase L2-L3 Voltage (rms), | |||
| Phase L3-L1 Voltage (rms), | |||
| 06 | System Current (rms) | Start Add + 0 ~ 7 | |
| Line L1 Current (rms) | |||
| Line L2 Current (rms) | |||
| Line L3 Current (rms) | |||
| Power Factor | |||
| Line L1 Power Factor | |||
| Line L2 Power Factor | |||
| Line L3 Power Factor | |||
| 18 | Apparent Power | 저장위치 + 0 ~ 7 | |
| Phase L1 Apparent Power | |||
| Phase L2 Apparent Power | |||
| Phase L3 Apparent Power | |||
| Active Power | |||
| Phase L1 Active Power | |||
| Phase L2 Active Power | |||
| Phase L3 Active Power | |||
| 28 | Reactive Power | Start Add + 0 ~ 5 | |
| Phase L1 Reactive Power | |||
| Phase L2 Reactive Power | |||
| Phase L3 Reactive Power | |||
| Frequency | |||
| Temperature | |||
| 30 | Active Energy | Start Add + 0 ~ 3 | |
| Apparent Energy | |||
| Reactive Energy | |||
| Reactive Capacitive Energy | |||
| 61 | Maximum Current I1 | Start Add + 0 ~ 8 | |
| Maximum Current I2 | |||
| Maximum Current I3 | |||
| Maximum Average Active Power | |||
| Maximum Average Apparent Power | |||
| Maximum Average Current | |||
| Average Active Power | |||
| Average Apparent Power | |||
| Average Current | |||
| 63 | Serail Number | save only STRING memory | String data |
| 78 | Firmware Version | Start Add + 0 | |
| 7F | Configuration | Start Add + 0 | |
| <Table 2> Read command and contents of Three Phase System | |||
<Table 3> is read and write commands and contents of EMS-43 communication driver.
Read/Write Command |
Contents |
Remarks |
| 80 | Communication Baud Rate | 300 ~ 9600bps |
| Parity Type | N, O, E | |
| Data Bit | 8 | |
| Stop Bit | 1 ~ 2 | |
| 84 | Controller station(Logical Number) | R/W |
| 90 | Transform Ratios CTs | |
| 92 | Transform Ratios VTs | |
| 98 | Integration Time Value to Calculate the Average Power(min) | |
| 9F | Initialization | Write Only |
| A0 | Digital Output 1 Pulse | R/W enable when using Digital Output |
| A1 | Digital Output 1 Threshold | |
| B0 | Digital Output 2 Pulse | |
| B1 | Digital Output 2 Threshold | |
| A4 | Digital Output 3 Pulse | |
| A5 | Digital Output 3 Threshold | |
| CE | Maximum Current Value Reset | Write Only |
| DA | Wiring Connection(Write Only) | 03 : 3 Phase Wiring 01 : 1 Phase Wiring |
| DB | Current Input Full Scale | 01 : 1 A f.s 05 : 5 A f.s |
| <Table 3> Read and write commands and contents of EMS-43 communication driver | ||
You can write setting value by using write settings.
Digital Write
Digital write setting parameters are as follows:
1) PORT Port no. (0 ~ 255)
2) STATION Controller station number.
3) ADDRESS Write variable setting when A0, A1, B0, B1, A4, A5 write command.
A0, B0, A4 write command(Digital Output) : 0 ~ 3 variable number( Refer to <Table 4>),
A1, B1, A5 write command(Digital Output Threshold) : 0 ~ 3 variable number( Refer to <Table 5>),
other command : don't care.
4) Extra1 Write command = 80, 84, 90, 92, 98, 9F, A0, A1, B0, B1, A4, A5, CE, DA, DB.... ( Refer to <Table 3> or <Table 6> )
5) Extra2 Extra data setting.
80 write command : 1 or 2 Stop Bit setting,
A0, A1, B0, B1, A4, A5 write command : output value setting ( Refer to <Table 6> ).
other command : don't care.
Write example 1)
Port : 0, Station : 1, Address : 0000, Extra1 : 9F, EXTRA2 :
The setting parameter shown above is Initialization example of 1 EMS-43 controller station number.
Analog Write
Analog write setting parameters are as follows:
1) PORT Port no. (0 ~ 255)
2) STATION Controller station number.
3) ADDRESS Write variable setting when A0, A1, B0, B1, A4, A5 write command.
A0, B0, A4 write command(Digital Output) : 0 ~ 3 variable number( Refer to <Table 4>),
A1, B1, A5 write command(Digital Output Threshold) : 0 ~ 3 variable number( Refer to <Table 5>),
other command : don't care.
4) Extra1 Write command = 80, 84, 90, 92, 98, 9F, A0, A1, B0, B1, A4, A5, CE, DA, DB.... ( Refer to <Table 3> or <Table 6> )
5) Extra2 Setting data when 80, A0, A1, B0, B1, A4, A5 write command.
80 write command : 1 or 2 Stop Bit setting,
A0, A1, B0, B1, A4, A5 write command : output value setting ( Refer to <Table 6> ).
other command : don't care.
Type |
Write variable range |
Contents |
One or three phase controller |
00 |
Active Energy |
01 |
Apparent Energy |
|
02 |
Inductive Energy |
|
03 |
Capacitive Energy |
|
| <Table 4> Address range of A0, B0, A4(Digital Output Pulse) write command | ||
Type |
Write variable range |
Contents |
One Phase |
00 |
System Voltage |
01 |
System Current |
|
02 |
System Power Factor |
|
03 |
System Active Power |
|
04 |
System Apparent Power |
|
05 |
System Reactive Power |
|
Three Phase |
00 |
System Voltage |
01 |
Line L1 Voltage |
|
02 |
Line L2 Voltage |
|
03 |
Line L3 Voltage |
|
04 |
Line L1-2 Voltage |
|
05 |
Line L2-3 Voltage |
|
06 |
Line L3-1 Voltage |
|
07 |
System Current |
|
08 |
Line L1 Current |
|
09 |
Line L2 Current |
|
10 |
Line L3 Current |
|
11 |
System Power Factor |
|
12 |
Phase L1 Power Factor |
|
13 |
Phase L2 Power Factor |
|
14 |
Phase L3 Power Factor |
|
15 |
System Apparent Power |
|
16 |
Phase L1 Apparent Power |
|
17 |
Phase L2 Apparent Power |
|
18 |
Phase L3 Apparent Power |
|
19 |
System Active Power |
|
20 |
Phase L1 Active Power |
|
21 |
Phase L2 Active Power |
|
22 |
Phase L3 Active Power |
|
23 |
System Reactive Power |
|
24 |
Phase L1 Reactive Power |
|
25 |
Phase L2 Reactive Power |
|
26 |
Phase L3 Reactive Power |
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| <Table 5> Address range of A1, B1, A5(Digital Output Threshold) write command | ||
Write command |
Contents |
Setting data range |
80 |
Communication Baud Rate | 300, 600, 1200, 2400, 4800, 9600 |
| Stop Bit | 1, 2 | |
84 |
Controller station setting(Logical Number) | 00 ~ FF |
98 |
Integration Time Value to Calculate the Average Power(min) | 01, 02, 05, 10, 15, 30, 45, 60 |
A0 |
Digital Output 1 Pulse | 20, 40, 60, 80, 100, 150, 200, 250 |
B0 |
Digital Output 2 Pulse | |
A4 |
Digital Output 3 Pulse | |
A1 |
Digital Output 1 Threshold | 1, 2, 3, 5, 7, 10, 15, 20, 30, 45, 60, 75, 90, 120, 180, 240 |
B1 |
Digital Output 2 Threshold | |
A5 |
Digital Output 3 Threshold | |
DA |
Wiring Connection(Write Only) | 03, 01 |
DB |
Current Input Full Scale | 01, 05 |
| <Table 6> Setting data range and contents of write command | ||
Write example 1)
Port : 0, Station : 1, Address : 0000, Extra1 : 80, EXTRA2 : 1, Output value = 9600
The setting parameter shown above is a setting example of 1 EMS-43 station's baud rate and stop bit, setting value equal 9600 bps and 1 bit.
Write example 2)
Port : 0, Station : 1, Address : 0000, Extra1 : 84, EXTRA2 : , Output value = 2
The setting parameter shown above is a controller's station change example form 1 to 2.
Write example 3)
Port : 0, Station : 1, Address : 0000, Extra1 : 9F, EXTRA2 :
The setting parameter shown above is Initialization example of 1 EMS-43 controller station number.
Write example 4)
Port : 0, Station : 1, Address : 0003, Extra1 : A0, EXTRA2 : 250, Output value = 1.0
The setting parameter shown above is Digital Output 1 Pulse writing example that the setting value equal, write variable = System Active Power or Line L3 Voltage, representation format = 0001.00, setting data = 250.
Write example 5)
Port : 0, Station : 1, Address : 0020, Extra1 : A1, EXTRA2 : 30, Output value = 50.0
The setting parameter shown above is High Limit of Digital Output 1 Threshold writing example that the setting value equal, write variable = Phase L1 Active Power, Intervention Percentage Value = 0050.00, Delay Time = 30sec.
Write example 6)
Port : 0, Station : 1, Address : 0020, Extra1 : DA, EXTRA2 : , Output value = 3
The setting parameter shown above is a change example of Wiring Connection to 3 phase.