Siemens SENTRON 7KT1681

Commissioning
6.4 Modbus address register for devices with Modbus interface
7KT multimeter
56 Manual, 08/2018, 2514284149-01
6.4.2
Modbus command parameters
Modbus function code 06
Address
WORDS
Measured variables
UNIT
FORMAT
2FF0H
1
Reset HI-LO values
0
Unsigned int
2FF0H 1 Reset max. average values 1 Unsigned int
2FF0H
1
Reset partial energy
2
Unsigned int
2FF0H 1 Reset partial hour counter 3 Unsigned int
2FF0H
1
Reset energy tariffs
6
Unsigned int
2FF0H
1
Reset alarms
7
Unsigned int
2FF0H
1
Reset limits
11
Unsigned int
2FF0H
1
Reset energy total
12
Unsigned int
2FF0H
1
Reset all hour counters
13
1)
Unsigned int
2FF0H
1
Factory setting
14
1)
Unsigned int
2FF0H
1
Save parameters
15
1)
Unsigned int
2FF0H
1
Load parameters
16
2)
Unsigned int
2FF0H
1
Wiring test
100
Unsigned int
2FF0H
1
Reset HI
200
Unsigned int
2F01H
1
Reset LO
1
Unsigned int
1)
After executing this command, it is recommended that you issue the REBOOT command.
2)
After executing this command, you can use query 4 under address 0x1F20 to obtain the test result. The bit assignments
are shown in the wiring test results table below.
Wiring test results
The wiring is correct if the result is 0 or no bit is active.
Bit
Measured variable
0
Voltage L1 - N
1
Voltage L2 - N
2
Voltage L3 - N
3
Current N - L1
4 Current N - L2
5
Current N - L3
6 Incorrect phase sequence
7
Phase unbalance
8
Current transformer 1 inverted
9
Current transformer 2 inverted
10
Current transformer 3 inverted
11
Current transformer 1 on phase L2
12
Current transformer 1 on phase L3
13
Current transformer 1 on phase L1