iSMA-B-W0202 User Manual
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DMP263en | 1st Issue rev. 3 | 05/2022
page 18 of 41
7 Modbus Registers
This section outlines all Modbus registers available in the iSMA-B-W0202 wireless module.
7.1 Configuration Registers
7.1.1 Firmware Version and Module Type (30001)
The register contains type and firmware version of module.
Low byte contains information about the type of module in accordance with the table
below:
Value
Type
8010 (0x5016)
iSMA-B-W0202
Table 3. Firmware version and module type
High byte contains the module firmware version multiplied by 10.
For example:
In the 30001 register the number is 2049010 = 0x500A16. It means that it is a module
iSMA-B-W0202 (0x50) with firmware in version 1.0 (0x0A16 = 1010).
7.1.2 Counter of Received Messages (30004)
The 32-bit register with the number of valid Modbus messages received by the module
from the last power up. The value is reset after a power cycle or after changing
transmission parameters (baud rate, stop bits, parity, etc.).
7.1.3 Counter of Error Messages (30006)
The 32-bit register with the number of error Modbus messages received by the module
from last power up. The value is reset after a power cycle or after changing transmission
parameters (baud rate, stop bits, parity, etc.).
7.1.4 Counter of Sent Messages (30008)
The 32-bit register with the number of Modbus messages sent by the module from last
power up. The value is reset after a power cycle or after changing transmission
parameters (baud rate, stop bits, parity, etc.).
7.1.5 Up Time (30012)
The 32-bits register contains module working time in seconds from last power up or
module reset.
WARNING!
Changing parameters concerning the transmission configuration will only take effect
after restarting the module or reload
settings–
register (40001).