Table of Contents
Advertisement
13.11 Installation
Here, the MODBUS client (master) signals can be set up. Connections to MODBUS servers (or
slaves) on specified IP addresses can be created with input/output signals (registers or digital).
Each signal has a unique name so it can be used in programs.
Refresh
Push this button to refresh all MODBUS connections. Refreshing disconnects all modbus units,
and connects them back again. All statistics are cleared.
Add unit
Push this button to add a new MODBUS unit.
Delete unit
Push this button to delete the MODBUS unit and all signals on that unit.
Set unit IP
Here the IP address of the MODBUS unit is shown. Press the button to change it.
Sequential mode
Available only when Show Advanced Options (see 13.11) is selected. Selecting this checkbox forces
the modbus client to wait for a response before sending the next request. This mode is required
by some fieldbus units. Turning this option on may help when there are multiple signals, and
increasing request frequency results in signal disconnects. Note that the actual signal frequency
may be lower than requested when multiple signals are defined in sequential mode. Actual
e-Series
13.11 Installation
MODBUS client I/O Setup
II-48
MODBUS client I/O Setup
Version 3.11
Advertisement
Table of Contents
