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Installation
Setting the P1 Address
22
Siemens Industry, Inc. 125-201
09/30/2019
Setting the P1 Address
The MD-P1 and MD-P1D Power Meters communicate over an RS-485 serial
communication network using Siemens P1-FLN protocol ONLY. These meters are
designed to operate at a fixed 4800 baud rate.
To communicate on the Siemens APOGEE BMS network, the meter must have a
specific network address. The P1 network address switches are located on the front of
the meters (see Figure 8). The network address for the device is manually set using
these two rotary switches; noting the most significant bit (MSB) and least significant bit
(LSB) markings.
These network addresses must be entered in hexadecimal format, not decimal format
(see
Appendix A - Decimal to Hexadecimal Conversion Table ).
Figure 9: Address Switches Location.
Table 2: P1 Address Decimal to Hexadecimal Conversion.
Decimal Hex Decimal Hex Decimal Hex Decimal Hex
0 00 8 08 16 10 24 18
1 01 9 09 17 11 25 19
2 02 10 0A 18 12 26 1A
3 03 11 0B 19 13 27 1B
4 04 12 0C 20 14 28 1C
5 05 13 0D 21 15 29 1D
6 06 14 0E 22 16 30 1E
7 07 15 0F 23 17 31 1F