UR3274U - User manual
29
At each parameter configuration, instrument storeschange
values in the EEPROM memory (100000 writing cycles), while
setpoints are stored with a delay of 10 seconds after last
modification.
NB
: modifications made to words different from
those described in the following table can lead to instrument
malfunction.
Modbus RTU protocol features
Modbus RTU protocol features
Baud-rate
Selectable on parameter 56
4.8 k
4800bit/sec
9.6 k
9600bit/sec
19.2k
19200bit/sec
28.8k
28800bit/sec
38.4k
38400bit/sec
57.6k
57600bit/sec
Format
8, N, 1 (8bit, no parity, 1 stop)
Supported
functions
WORD READING (max 20 word) (0x03, 0x04)
SINGLE WORD WRITING (0x06)
MULTIPLE WORDS WRITING (max 20 word)
(0x10)
The list below includes all available addresses:
RO = Read Only
R/W = Read/Write
WO = Write Only
Modbus address
Modbus
address
Description
Read
Write
Reset
value
0
Device type
RO EEPROM
1
Software version
RO EEPROM
5
Slave Address
R/W EEPROM
