Specifications

Modbus Register Order: Overview (also see section 4 and

help file of M550 software)

M550 has the facility to reorder its Modbus 3X registers to

suit an existing Modbus network.

The Modbus Registers Tool program provides an easy

method of achieving this.

The order of the registers in any node connected to the

network can be read by the program by clicking on the

READ button.

The list can be modified (using the CLEAR, DEFAULT, <<

and >> buttons) to enable the most accessed parameters to

appear first in the Node’s list, thereby optimising the speed

of the system. The default order for the registers is listed in

the left hand area of the dialog box. Simply clear the right

hand list box and enter the register order required.

The same results can be achieved by using Modbus func-

tion code 1Eh (30) to send a string of data to set the order

of the registers. The order will automatically be saved in

EEPROM.

M550MAN.PM5 01/08/101, 12:4839