GE P485 instruction manual Start / Stop sub network scanning

MODBUS NETWORK AND NODE MONITORS

OPERATION The Modbus network monitor window is shown below.

Figure 7-1: Modbus network monitor

A: Start / Stop sub network scanning

These icons are used to start / stop the scanning of the Modbus network. To stop the scanning, click on the red light. To start scanning again, simply click on the green light .

Start Stop

B: Nodes / Transactions

To view data blocks linked to a single command, select the command and the data will appear in the monitor area, see below. (C)

C: Monitor Area: Input / Output / General Data Areas

These areas display the data allocated in the input, output and general data areas. This information is color coded as follows:

•White: No data allocated.

•Yellow: Data allocated by a response/consume transaction.

•Blue: Data allocated by a query/produce transaction.

•Red: Collision. This area has been allocated more than once.

•Grey: Data allocated by the control/status registers.

7–2 P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE