Elvaco CMeX50 - Choose Addressing Method for the Product (Cmex50) on Wired M-Bus; Master to Slave; Slave to Master; Choose Addressing Method for Virtualized Meter on Wired M-Bus

CMeX50 Users Manual English
CMeX50 Users Manual English
page | 60 (89)
2017-10-13
Document id: 1090055 Version 1.5
0
0xE5
Acknowledge
6.3.4 Choose addressing method for the product (CMeX50) on wired M-Bus
6.3.4.1 Master to slave
Byte index
Data
Description
0
0x68
Start character 1
1
0xnn
L-field 1
2
0xnn
L-field 2
3
0x68
Start character 2
4
0x43 | 0x53 | 0x63 | 0x73
C-field = SND-UD
5
0xnn
A-field = primary address, e.g. 0xFB = 251
6
0x51
CI-field = Master to slave data sending
7-13 (14)
0x01 0x7C 0x03 0x6D 0x61
0x63 0xnn
OR
0x01 0xFC 0x03 0x6D 0x61
0x63 0x00 0xnn
0xnn = Addressing mode for CMeX50:
0x00 = Chosen primary address, secondary address
and fixed primary address 251.
0x01 = Only the fixed primary address 251.
(0x6D 0x61 0x63 = 'cam' backwards)
14 (15)
0xnn
Checksum
15 (16)
0x16
Stop character
6.3.4.2 Slave to master
Byte index
Data
Description
0
0xE5
Acknowledge
6.3.5 Choose addressing method for virtualized meter on wired M-Bus
6.3.5.1 Master to slave
Byte index
Data
Description
0
0x68
Start character 1
1
0xnn
L-field 1
2
0xnn
L-field 2
3
0x68
Start character 2
4
0x43 | 0x53 | 0x63 | 0x73
C-field = SND-UD
5
0xnn
A-field = primary address, e.g. 0xFB = 251
6
0x51
CI-field = Master to slave data sending