Creating project files—modbus master to devices – Siemens DTU3005-B User Manual

Page 40

Creating Project Files—Modbus Master to Devices

Siemens Energy & Automation, Inc.

Select the device from the list by pressing Enter
or the spacebar. The highlight moves to the
Address

field, and the PLC register fields now dis-

play as shown in the example screen below.

With the Address field highlighted, enter the
device’s address. This number should be between
1 and 254, and match the number programmed
into the device itself. Press the Tab key twice to go
to the Real-Time Data Registers field.

Enter the beginning register number in the Real-
Time Data Registers

field. Refer to Appendix A for

valid register numbers for your PLC application.
The DTU3005 Editor software supplies the last

register number after you enter the first. In the
example above, the 4700 Power Meter uses 41
registers for its data. When you enter 1 for the first
register, the last register becomes 42. If you