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Siemens AG
Entry type: FAQ Entry ID: 40345680, Entry date: 12/21/2009
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How can the energy counters of a SENTRON PAC3100 be selected via Modbus RTU as a 32bit value?

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QUESTION:

How can the energy counters of a SENTRON PAC3100 be selected via Modbus RTU as a 32bit value?

ANSWER:

The energy counter of SENTRON PAC3100 are now available as a 32bit value via Modbus RTU. With the help of the function code 0x03 and 0x04, these data ca be read out from the following tabs:

 

 

Offset

Numbers of registers

Name

Format

Unit

Value range

Access

2803

2

Active energy (import, export, balance)

Float

Wh

Overflow 1.0e+12

R

2805

2

Reactive energy (import, export,

balance)

Float

varh

Overflow 1.0e+12

R


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