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ICP DAS PMC/PMD Series User Manual
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7.3.2 Add Modbus RTU Module (or M-7000/DL Module) Manually
In addition to perform Scan operation to automatically add M-7000/DL
modules to the list, the user could also add the Modbus RTU module
(or M-7000/DL module) manually one by one, the steps are as below:
i No: The number will be the order that the I/O channel data of the
Modbus RTU module being stored in the PMC/PMD Modbus Table.
The range is 1~16.
ii Address: The address will be the Modbus address of this Modbus
RTU module, please make sure the address is the same as the
settings of the module, if the setting is not accurate, the connection
for PMC/PMD to the Modbus RTU module will be failed.
Figure7-32 : Set up the No and Address of the Modbus RTU module
iii Select the module name: For ICP DAS M-7000/DL modules, the
user could select the default model name from the dropdown list for
further modification. For other Modbus RTU module (non
M-7000/DL module), please input the module name.
Figure7-33 : Select the model of the Modbus RTU Module
iv Polling Timeout: The time interval for PMC/PMD to send command
to the Modbus RTU module and wait for the response, the unit will
be ms. The setting range will be 1-10000 ms.
v Retry Interval: The time interval to wait for PMC/PMD to
repeatedly send command again when PMC/PMD sends command