Elvaco CMeX50 - Slave to Master; Set Secondary Address; Master to Slave

CMeX50 Users Manual English
CMeX50 Users Manual English
page | 66 (89)
2017-10-13
Document id: 1090055 Version 1.5
3
0x68
Start character 2
4
0x43 | 0x53 | 0x63 | 0x73
C-Field = SND_UD
5
0xnn
A-Field = Address of slave
6
0x51
CI-Field
7
0x01
Primary address DIF
8
0x7A
Primary address VIF
9
0xnn
New primary address (0x00-0xfa)
10
0xnn
Checksum
11
0x16
Stop character
6.3.12.2 Slave to master
Byte index
Data
Description
0
0xe5
Acknowledge
6.3.13 Set secondary address
This command only changes the secondary address of the CMeX50 if the CMeX50 product is addressed.
Setting secondary address on any virtualized M-Bus slave will only be acknowledged with no action taken.
6.3.13.1 Master to slave
Byte index
Data
Description
0
0x68
Start character 1
1
0x09
L-Field 1
2
0x09
L-Field 2
3
0x68
Start character 2
4
0x43 | 0x53 | 0x63 | 0x73
C-Field = SND_UD
5
0xnn
A-Field = Address of slave
6
0x51
CI-Field
7
0x0c
Secondary address DIF
8
0x79
Secondary address VIF
9-12
0xnnnnnnnn
New secondary address, 8-bit packed BCD
13
0xnn
Checksum
14
0x16
Stop character
6.3.13.2 Slave to master
Byte index
Data
Description
0
0xe5
Acknowledge