MG-11x Series User Manual

User’s Manual of MG-11x Modbus Gateway Series
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of transmission. The default is 1.
• Data Bits
Indicates the number of the bits in a transmitted data package. The allowed value is
5,6,7,8 and default value is 8.
4.5.4.2 Mapping
The ID Mapping Setup is a routing mechanism for gateway. It can follow routing rule on this table to transfer Modbus request to
the specific serial port or TCP server that connects the Modbus slave device. The screen in Figure 4-5-16 appears.
Figure 4-5-16: Mapping Status Page Screenshot
In block 1, it’s a setting value for slave ID 1~3 that will forward to serial port 1. When you get a Modbus requests with slave ID
1~3, it will follow this rule to be routed to the targeted Modbus slave device. In block 2, you can select the one to add, edit or
delete the rule on the table. The block 1 and block 2 screen in Figure 4-5-17 appears.
Figure 4-5-17: The Block 1 / Block 2 Screenshot