5
Creating Project Files—Modbus Master to Devices
Siemens Energy & Automation, Inc.
35
5.6
Device List Setup
The device list menu item enables you to indicate
which registers on the PLC will receive data from the
devices. In this menu, you will enter the device type
and address for each Siemens device connected to
port 2. You will also indicate to which registers on the
PLC you want the DTU3005 to write device data.
Select
Device List
from the
Edit
menu to display the
device list screen:
This screen is divided into two parts:
•
On the left side of the screen is a list of the devices
connected to port 2 (the list is initially empty). Up
to 32 devices can be attached; however, only 17 of
the devices are visible on the screen at one time.
To see all the devices, click on the scroll bar with
the mouse, or use the
Up
and
Down Arrow
and
Page Up
and
Page Down
keys.
•
The right side of the screen is used to configure
the data register information for the selected
device, as shown in the example screen on the
next page. You can add or delete devices, or
change device configuration by highlighting the
Device Type
on the left side of the screen, then
using the fields and buttons on the right side of
the screen.
Adding a Device
To add a device to the device list:
1.
Highlight the first line where the
Device Type
and
Address
fields are blank—this should be the first
available device number
No
field.
2.
Press
Enter
or
Tab
to add a device. The cursor will
move to the
Device Type
field on the right side of
the screen. Press
Enter
, and the
Device Types
list
displays:
