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en:sw:01-mervis:connecting-to-modbus-slave-device-hidden [2020/06/15 14:32] avsetula [Connecting to Modbus slave] |
en:sw:01-mervis:connecting-to-modbus-slave-device-hidden [2021/08/05 12:23] avsetula |
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Unfortunately, this is where it starts to be really complicated, mostly due to the various ways of how the Modbus protocol is implemented by different vendors. | Unfortunately, this is where it starts to be really complicated, mostly due to the various ways of how the Modbus protocol is implemented by different vendors. | ||
- | As you can see, the register's addresses are in hexadecimal format. You can't tell from the **Voltage** register, because the address of 5000 could be both in hexadecimal and decimal format. But if you take a look on the **Current** register, the value 500A clearly shows it is in hexadecimal format. | + | As you can see, the register's addresses are in hexadecimal format. You can't tell from the **Voltage** register, because the address of 5000 could be both in hexadecimal and decimal format. But if you take a look on the **Current** register, the value 500 A clearly shows it is in hexadecimal format. |
The Mervis IDE accepts only decimal values for Modbus registers, so you need to manually convert the ones from the manual, e.g. with calculator application in Windows or in MS Excel. | The Mervis IDE accepts only decimal values for Modbus registers, so you need to manually convert the ones from the manual, e.g. with calculator application in Windows or in MS Excel. |