PROFIBUS DP Slave Communicaion Module RTU-PD01
DVP-PLC Operation Manual
9
Setup item Setting Definition
Modbus protocol
7, E, 1
7, O, 1
7, E, 2
7, O, 2
8, E, 1
8, O, 1
8, N, 1
8, N, 2
Modbus communication format (including
data bit, stop bit and parity bit)
Modbus baudrate
1,200bps
2,400bps
4,800bps
9,600bps
19,200bps
38,400bps
57,600bps
115,200bps
Modbus serial transmission speed
Modbus mode RTU/ASCII Modbus communication mode
Hold I/O data
RTU-PD01 retains the I/O data before getting
offline after getting offline from the master.
Loss communication
with master
Clear I/O data
RTU-PD01 reset all the I/O data to 0 after
getting offline from the master.
Ignore & continue I/O exchange
RTU-PD01 continues exchanging data with
the master even when Modbus read/write
error occurs.
Modbus slave error
Stop I/O exchange &report fault
RTU-PD01 stops exchanging data with the
master when Modbus read/write error occurs.
Ignore & continue I/O exchange
RTU-PD01 continues exchanging data with
the master even when the Modbus slave is
disconnected.
Continue & report alarm
RTU-PD01 continues exchanging data with
the master and alarms it when there is
Modbus slave getting disconnected.
Loss modbus slave
Stop I/O exchange & report fault
RTU-PD01 stops exchanging data with the
master and reports error to it when there is
Modbus slave getting disconnected.
Ignore & continue I/O exchange
RTU-PD01 continues exchanging data with
the master even when error occurs in the
right-side special I/O module.
Continue & report alarm
RTU-PD01 continues exchanging data with
the master and alarms it when error occurs in
the right-side special I/O module.
IO module error
Stop I/O exchange & report fault
RTU-PD01 stops exchanging data with the
master and reports error to it when error
occurs in the right-side special I/O module.
Modbus timeout setting
(ms)
0 ~ 65535 Modbus communication timeout. Unit: ms
Diagnose cycle (s) 1 ~ 20
Cycle for RTU-PD01 to diagnose the
right-side special I/O module. Unit: s
8.2 Configuration Items
RTU-PD01 offers every flexible configuration method when being configured in PROFIBUS DP master
configuration tool, for example, you can configure digital I/O modules or special I/O modules by the
actual name of the module, or self-define the cofiguration.
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