Siemens SMART 7KT Manual page 16

Communication
Protocol and interface
Protocol: Modbus RTU
Interface: Integrated RS485 interface
Communication parameters
Communication address
Transmission mode
Data types
Transmission distance
Transmission Speed
Parity
Stop bits
Response Time
Modbus register addresses list
Readable Parameters: Length Register: 2, Data Structure: Float
Address Hex Address
30000 0x00
30002 0x02
30004 0x04
30006 0x06
30008 0x08
30010 0x0A
30012 0x0C
30014 0x0E
30016 0X10
30018 0x12
30020 0x14
30022 0x16
30024 0x18
30026 0x1A
30028 0x1C
30030 0x1E
30032 0x20
30034 0x22
1 to 255
Half duplex
Float and Integer
500m maximum
300, 600, 1200, 2400, 4800,
9600, 19200 (in bps)
None, Odd, Even
1 or 2
100ms Max & Independent, at
Baud rate
Parameter
Voltage V1N
Voltage V2N
Voltage V3N
Average Vtg L-N
Voltage V12
Voltage V23
Voltage V31
Average Vtg L-L
Current I1
Current I2
Current I3
Average Current
kW1
kW2
kW3
kVA1
kVA2
kVA3
Connection diagram for communication
Contact sales for PC based monitoring software to
communicate with the meters.
Address Hex Address
30036 0x24
30038 0x26
30040 0x28
30042 0x2A
30044 0x2C
30046 0x2E
30048 0x30
30050 0x32
30052 0x34
30054 0x36
30056 0x38
30058 0x3A
30060 0x3C
30062 0x3E
30064 0x40
30068 0x44
30070 0x48
30082 0x50
SMART 7KT0307 Manual
7
Parameter
kVAr1
kVAr2
kVAr3
Total kW
Total kVA
Total kVAr
PF1
PF2
PF3
Average PF
Frequency
Total kWh
Total kVAh
Total kVArh
Active power max demand
Reactive power max demand
Apparent power max demand
On hour
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