
Shenzhen Hpmont Technology Co., Ltd.
Chapter 2 Product Information
HD31 Series User Manual V1.1
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Protection Functions
Stall overvoltage
Bus voltage can auto-control against overvoltage fault
Auto-limit current protection
Output current can auto-limit against overcurrent fault
Overload pre-alarm and
alarm
Overload early pre-alarm and protect
Load loss protection
Load loss alarm function
Input / Output voltage
phase loss protection
Input / Output voltage phase loss auto-detect and alarm function
Braking fault protection
Braking detection and alarming function
PID commands and
feedback loss detection
PID can auto-identify whether loss the setting and feedback or the alarm function
Power output grounding
fault protection
Power output grounding fault protection is enabled
Power output short circuit
protection
Power output short circuit protection is enabled
Input / Outpot
Analogue power supply
+10V, max. current 100mA
Digital power supply
+24V, max. current 200mA
Analogue input
AI1 (control board): voltage 0 - 10V
AI2 (control board): -10 - +10V/0 - 20mA (selectable voltage/current)
AI3, AI4 (I/O board): -10 - +10V/0 - 20mA (selectable voltage/current)
Analogue output
AO1, AO2: 0 - 10V/0 - 20mA (selectable voltage/current)
Digital input
DI1 - DI6 (control board); DI7 - DI9 (I/O board)
DI6 can be selectable for high-frequency input
Digital output
DO1, DO2
DO2 can be selectable for high-frequency output
Relay output
R1A/R1B/R1C(control board), R2A/R2C - R10A/R10C(I/O board)
Contact rating: 250VAC/3A or 30VDC/1A
Keypad
LED display
Five LEDs display, 5 unit indicators, 5 status indicators
Setting frequency, output frequency, output voltage, output current, motor speed,
output torque, switching value terminal, status parameter, programm menu
parameter and fault code etc.
LCD display
Optional [HD-LCD], display contents in Chinese or English
Parameter copy
Both LED and LCD keypad can achieve quick parameter copy
Communication
SCI communication
RS-485 interface; Terminal
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