Danfoss VFD500 Series - Page 33

VFD500 high performance vector control frequency inverter user manual Chapter3 Product appearance and wiring
Switch input
+24V
+24V current
To provide 24V power supply, generally used as a
digital input and output terminal power supply and
external sensor power
PLC
Digital input
terminal
common
The factory default setting is connected PLC with
+24V
Terminal for on-off input high and low level switch
When using the external signal to drive DI1~DI5, it
will disconnect the connector slip of PLC with the
+24V
COM
+24V ground
Internal isolation from GND
DI1~DI4
Digital input
terminal 1~4
Optocoupler isolation, compatible with bipolar input
Frequency range：0~200Hz
Voltage range：10V~30V
HDI
Digital input
terminal /
High-speed
pulse input
Digital input terminal：same as DI1~DI4
Pulse input frequency input：0~50KHz
Voltage range：10V~30V
Switch
output
DO1
Open
collector
output
Optocoupler isolation
Voltage range：0V~24V
Current range：0mA ~50mA
HDO
Open
collector
output /High-
speed pulse
output
Open collector output：same as DO1
High-speed pulse output：0~50KHz
Relay
output 1
T1A/T1B/
T1C
Relay output
T1A-T1B：nomal close
T1A-T1C：nomal open
Contact rating：AC 250V，3A；DC 30V，1A
Relay
output2
(optional)
T2A/
T2BT2C
Relay output
T2A-T2B：nomal close
T2A-T2C：nomal open
Contact rating：AC 250V，3A；DC 30V，1A
485 port
485+
485 Positive
differential
signal
Baud rate：
1200/2400/4800/9600/19200/38400/57600/115200b
Type
Terminal
Symbol
Terminal
Name
Terminal function description
30