ViM TEDH F400, Technical Manual, Page: 22 / 60

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Communication parameters
In the Holding Registers
0x03 : Read
0x06 : Writing a register
0x10 : Write several registers
Register Address Function Value Resolution / Option Unit Fault value
4x0017 16 Modbus ID 1 to 247 1 - 54
4x0018 17
Modbus
response time
0 to 200 1 ms
4x0020 19 Trial number 1 to 100 1 -
4x0022 21 CommTimeout 0 to 240 1 Sec 10
4x0023 22 CommRate 0 to 4
0 – 9600
1 – 19200
2 – 38400
3 – 1152000
4 - 57600
bps 38400
4x0024 23 Parity 0 to 2
0 – None
1 – Odd
2 - Even
- None
4x0025 24 Stop Bits 0 to 2
0 – INVALID
1 – 1
2 - 2
- 1
5.3 Supported Modbus commands
Function code Description
1 Read Coil Status
2 Read Input Status
3 Read Holding Registers
4 Read Input Registers
5 Force Single Coil
6 Preset Single Registers
8 Diagnostics. Sub-function 00 Only - Return Query Data (loop back).
15 Force Multiple Coils
16 Preset Multiple Registers
5.3.1 Coil Stat Bits
Les Coil Stat Bits Available Coil Stat Bits are shown in table below.
Standard Modbus (RTU)
Coil Stat Bits: 23 (R/W)
0x01: Read
0x05: Write Single Coil (NOTE: ON => output value = 0xFF00)
0x0F: Write Multiple Coils
Register Address Function Range Active state
0x0001 0 Motor ON/OFF 0 - 1 1 = ON
0x0002 1 Reset Alarms 0 - 1 1 = Reset
0x0004 3 FireMode 0 - 1 1 = Active
0x0006 5 Rotation 0 - 1 1 = CW
0x0007 6 Disable V_Ripple protection 0 - 1 1 = Disable
0x0008 7 Control mode 0 - 1 0 = Modbus, 1 = 0-10V
0x0009 8 Use alternate comm. settings 0 - 1 1 = Alternate
0x0010 9 Autodetect communication 0 - 1 1 = Enable
0x0011 10 Analog start signal 0 - 1 1 = Enable
0x0012 11 Invert analog speed input 0 - 1 1 = Invert
0x0013 12 Allow using Field Weakening 0 - 1 1 = Allow FW