Siemens SENTRON PAC2200CLP, Product Manual, Page: 124 / 130

Appendix
A.1 Modbus TCP
PAC2200CLP
122
Equipment Manual, 06/2021, L1V30820585B-02
Different data record types exist for event entries:
Event type Description
1 Change to current transformer setting
2 Time set
3 Time set several times within one period
4 Reserved
5 Change of time zone setting
6 Reserved
7 Reserved
Examples
A number of Modbus frames are provided here to indicate the readout of various data logs in
the device using the function code 0x64.
Example of request frame
7 bytes 1 byte 1 byte 1 byte 5 bytes
MBAP Header Function code 0x64 Data log identifier
(Tagesprofilspeicher)
Data identifier (all
channels energy)
Advanced data identi-
fiers (4 byte OID and 1
byte number of rec-
ords.)
0x0000 0x0000
0x0009 0x01
0x64 0x04 0x6D 0x00002CE2 0x02
Example of response frame
Bytes in hex Description
00 00 00 00 00 64 01 MBAP Header
64 Modbus user defined function code
61 payload length in bytes (starting with the following byte to the end, excluding CRC)
04 Data log identifier -> day profile memory
6D Data identifier -> channels 1 + 2 (active energy) and Readings of energy counters T1+T2
00 00 2C E2 Set the read pointer to OID 0x00002CE2 to the of the day profile memory
02 Number of records inserted in this telegram (may be smaller than requested)
2D Length of first record in bytes (including this byte)
5E 84 CF 98
00 00 0E 10
00 00 2C E2
41 90 D1 A4
00 00 00 00
41 41 B4 EB 44 67 2E 00
00 00 00 00 00 00 00 00
00 00 07 7E
00 01 00 40
0x2D data bytes of 1st record with OID 0x00002CE2
timestamp act.period
Timezone offset in s
OID act. Period (unique period entry identification
index)
Active energy Import act. Period in Wh
Active energy Export act. Period in Wh
Active energy counter reading Import T1+T2 act.
Period in Wh
Active energy counter reading Export T1+T2 act.
Period in Wh
Real load profile period length act. Period in ms
Information flag bytes act. period
unix time UTC
signed long
unsigned long
float
float
double
double
unsigned long
Bitfield
4 byte
4 byte
4 byte
4 byte
4 byte
8 byte
8 byte
4 byte
4 byte