Published: 18.07.2019
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0x04
Read Input Registers
0x05
Write Single Coil
0x06
Write Single Register
0x0F
Write Multiple Coils
0x10
Write Multiple Registers
0x17
Read/Write Multiple Registers
4.7.3 Modbus registers
Produal Proxima
®
WBU uses the whole Modbus register space from 1 to 65535. Holding registers and
Input registers are not tied to classic 4xxxx and 3xxxx areas. There are also many registers that has
the same register number but the function depends on the register type.
For example, a transmitter with ID1 has an input register for temperature (20051) and holding register
for COV limit (20051). The address is the same, but the register usage depends on the used function
code.
Important:
Some BMS systems may need extra configuring to able to use the whole
register space. Contact the system vendor support if needed.
The following figure illustrates how the basic data can be read via base unit Modbus registers.
4.7.3.1 Input registers for base unit
Input registers for device identification
Register Parameter description
Data type Values
Range
10001
Hextet 0 for device type.
Unsigned 16 0...65535
0...65535
10002
Hextet 1 for device type.
Unsigned 16 0...65535
0...65535
10003
Hextet 0 for serial number.
Unsigned 16 0...65535
0...65535
10004
Hextet 1 for serial number.
Unsigned 16 0...65535
0...65535
Produal Oy | Keltakalliontie 18, FI 48770 Kotka, Finland | tel. +358 10 219 9100 | fax. +358 5 230 9210 | [email protected]
Information is subject to change without prior notice.
EN - 5401comm
