Micronics U1000MKII-FM, User Manual

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U1000MKII User Manual Micronics
Page 42 Issue 3.1 July 19
4.4.7 Change Primary Address Function
COMMAND: SEND_UD
–
SET PRIMARY ADDRESS
DESCRIPTION: The primary address of the slave is set to a default value at power up.
The master uses this command to assign a new unique primary
address to the slave if required.
DIRECTION: MASTER TO SLAVE
FRAME TYPE: LONG FRAME
PRIMARY ADDRESSING SECONDARY ADDRESSING
NAME CODE NAME CODE
START 0x68 START 0x68
LENGTH 0x06 LENGTH 0x0E
LENGTH 0x06 LENGTH 0x0E
START 0x68 START 0x68
(C - FIELD)
SEND_UD
0x73
(C - FIELD)
SEND_UD
0x73
(A - FIELD)
SLAVE PRIMARY ADDRESS
0xXX
(A - FIELD)
USE SECONDARY
ADDRESSING
0xFD
(CI
–
FIELD) 0x51 (CI
–
FIELD) 0x51
DIF: 8 BIT INTEGER 0x01 M-Bus IIN (BYTE 1) 0xXX
VIF: SET PRIMARY ADDRESS 0x7A M-Bus IIN (BYTE 2) 0xXX
NEW PRIMARY ADDRESS
VALUE
0xXX M-Bus IIN (BYTE 3) 0xXX
CHECKSUM 0xXX M-Bus IIN (BYTE 4) 0xXX
STOP 0x16 MANF. ID (BYTE 1) 0xCD
MANF. ID (BYTE 2) 0x54
VERSION NUMBER 0x01
DEVICE TYPE ID 0x04
DIF: 8 BIT INTEGER 0x01
VIF: SET PRIMARY ADDRESS 0x7A
NEW PRIMARY ADDRESS
VALUE
0xXX
CHECKSUM 0xXX
STOP 0x16
MASTER TO SLAVE: SEND_NKE
SLAVE TO MASTER: ACK
MASTER TO SLAVE: SEND_UD
–
SET PRIMARY ADDRESS
SLAVE TO MASTER: ACK