Lika EM58 MB, User Manual

Page: 62 / 92

ES58 • EM58 MODBUS®
For the complete list of registers accessible using 16 Write Multiple Registers
function code please refer to the “7.1.1 Machine data parameters (Holding
registers)” section on page 65.
Request PDU
Function code 1 byte
10 hex
Starting address 2 bytes 0000 hex to FFFF hex
Quantity of registers 2 bytes 0001 hex to 007B hex
Byte count 1 byte
2 x
N*
Registers value N*
x 2 bytes
value
*N = Quantity of registers
Response PDU
Function code 1 byte 10 hex
Starting address 2 bytes 0000 hex to FFFF hex
Quantity of registers 2 bytes 1 to 123 (007B hex)
Exception Response PDU
Error code 1 byte
90 hex (= 10 hex + 80
hex)
Exception code 1 byte 01 or 02 or 03 or 04
Here is an example of a request to write the value 00 00 08 00 hex (=2048 dec)
next to the
Custom counts per revolution [0000-0001 hex]
(registers 1 and
2) parameter and the value 00 80 00 00 hex (=8388608 dec) next to the
Custom total resolution [0002-0003 hex]
parameter(registers 3 and 4).
Request Response
Field name (Hex) Field name (Hex)
Function
10
Function
10
MAN ESx58x_EMx58x MB E 1.3 MODBUS® interface 62 of 92