Shenzhen Hpmont Technology Co., Ltd. Chapter 9 MODBUS Communication Protocol
HD09-S Series User Manual V1.1 - 83 -
Control Bit Value and definition Description
Bit7
0: Press and go reverse
stop
1: Press and go reverse Press and go reverse control
Bit8 0: Fault reset is invalid 1: Fault reset is valid Inverter fault reset control
Bit9 - Bit11 0: Reserved
Bit12
0: Current control is
invalid
1: Current control is valid
Whether the currently issued control byte is
valid or not
The contents of the register can be defined as the control commands as shown in the below table, that
is, the logical combination of control command bits.
Register
contents
Control
commands
Register
contents
Control
commands
Register
contents
Control
commands
0x1001 Forward command 0x1008 Emergency stop 0x1040 Press and go forward
0x1003 Reverse command 0x1010 Freely stop 0x1080 Press and go reverse
0x1004 Deceleration stop 0x1020 External error stop 0x1100 Reset error
Virtual terminal control settings (0x3204) the bits are defined in the table as below:
Control bit Value and definition
Bit0 Reserved Reserved
Bit1 0: DO invalid output 1: DO valid output
Bit2 0: RLY 1 invalid output 1: R LY1 valid output