Akytec MU210-410, Руководство пользователя

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5 Construction and operation
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– exchange with the Master via the Modbus TCP protocol (port 502) – up to 4 simultaneous
connections with different Network Masters;
– connection and data exchange with a PC using the akYtec Tool Pro.
5.5.1 Modbus TCP communication
Table 5.3 Reading and writing parameters using the Modbus TCP protocol
Operation Function
Reading 3 (0х03) or 4 (0х04)
Writing 6 (0х06) or 16 (0х10)
The list of Modbus registers is read from the device using the akYtecToolPro program in the “Device
Parameters” tab. This list of Modbus registers is presented in the tables below.
Table 5.4 General Registers for Online Modbus Communication
Name
Register Size/type/description
Device name (DEV)
0xF000
Character string up to 32
bytes, Win1251 encoding
Firmware version (VER)
0xF010
Character string up to 32
bytes, Win1251 encoding
Platform name 0xF020
Character string up to 32
bytes, Win1251 encoding
Platform version 0xF030
Character string up to 32
bytes, Win1251 encoding
Hardware version 0xF040
Character string up to 16
bytes, Win1251 encoding
Additional character
information
0xF048
Character string up to 16
bytes, Win1251 encoding
Time and date 0xF080
4 bytes, in seconds since 2000
Time zone 0xF082
2 bytes, signed short, offset in
minutes from Greenwich
Serial number 0xF084
Character string 32 bytes,
encoding Win1251, 17
characters are used
Table 5.5 Modbus communication registers
Parameter
Value (unit)
Register address
Access Data format
DEC HEX
Mode for output
DO1
0 – switching of a
logic signal;
1 – PWM low
frequency;
2 – PWM high
frequency;
3 – pulse
generator
272 0х110 Read and write UINT 16
Mode for output
DO2
0 – switching of a
logic signal;
1 – PWM low
frequency;
273 0х111 Read and write UINT 16