User’s Manual of IMG-110T
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4.5 Modbus Settings
This function provides Modbus parameters settings and slave ID settings.
4.5.1 Modbus Parameters
This function allows setting the value for serial port COM configuration. Press the “Submit” button to set the value and the
screen in Figure 4-4 appears.
Figure 4-6: Modbus Parameters Screen
The page includes the following fields:
Modbus Setting
Initial Delay
This function due to the Modbus from the machine device initialization time is relatively
long. In order to avoid before these devices are not initialized, the request is sent to the
frame access, so the Industrial Modbus Gateway sets the initialization delay time to
decide the time delay of the first request that can be sent.
Modbus TCP
Exception
This parameter is used to display the Modbus TCP exception in the Modbus monitoring
software. Once the parameter is enabled, the Industrial Modbus Gateway sends a
Modbus TCP exception to the Modbus monitoring software.
Response Timeout & Interval Timeout
• Port
Indicates the TCP/ProCOM and Port1.
• Response Timeout
(10-120000ms)
The Modbus is a master and slave protocol; the master station equipment accesses the
slave station equipment which needs a response timeout; the time is the gateway device
response time.
This parameter is found in the second and third steps in the diagram below. The
gateway equipment forwards the request information of the master station to the slave
station, and if there is no reply message from the slave station equipment in the
response time, the gateway equipment sends out the timeout response information to
the master station. The available range is 10-120000ms.
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