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 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.
The actual signal frequency may be lower than requested when multiple signals are
defined in sequential mode. Actual signal frequency can be observed in signal
statistics. The signal indicator turns yellow if the actual signal frequency is less than half
of the value selected from the Frequency drop-down list.
Add signal Push this button to add a signal to the corresponding MODBUS unit.
Delete signal Push this button to delete a MODBUS signal from the corresponding MODBUS unit.
Set signal type Use this drop down menu to choose the signal type.
Available types are:
Digital input
A digital input (coil) is a one-bit quantity which is read from the MODBUS unit on the
coil specified in the address field of the signal. Function code 0x02 (Read Discrete
Inputs) is used.
Digital output
A digital output (coil) is a one-bit quantity which can be set to either high or low.
Before the value of this output has been set by the user, the value is read from the
remote MODBUS unit. This means that function code 0x01 (Read Coils) is used.
When the output has been set by a robot program or by pressing the set signal
value button, the function code 0x05 (Write Single Coil) is used onwards.
Register input
A register input is a 16-bit quantity read from the address specified in the address
field. The function code 0x04 (Read Input Registers) is used.
Register output
A register output is a 16-bit quantity which can be set by the user. Before the value
of the register has been set, the value of it is read from the remote MODBUS unit.
This means that function code 0x03 (Read Holding Registers) is used. When the
output has been set by a robot program or by specifying a signal value in the set
signal value field, function code 0x06 (Write Single Register) is used to set the
value on the remote MODBUS unit.
UR10e 308 User Manual
Copyright © 2009–2024 by UniversalRobotsA/S. All rights reserved.
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