Veikong VFD500 Series Operation Manual page 102

VFD300A high performance vector control frequency inverter user manual Chapter 7 Selection guide of inverter Accessory
PT100 temperature detection
12 DO3 Open collector output 3
13 DO4 Open collector output 4
14 DO5 Open collector output 5
15 DO6 Open collector output 6
Digital input power supplying terminal
It is used for switching between high and low level
of switch input. It is short-circuited with +24V in
factoty default, that is, DI is active at low level.
17 PLC
When using external power, disconnect the PLC
from the +24V.
Different from the PLC on the IO board, it should be
used independently
Provides +24V power supply to the outside, it is
generally used as digital input and output terminal
18 +24V
working power supply and external sensor power
supply
- 99-
input.
PT1000 temperature
detection input.
AI4
TMP PT0
NOR PT1
AI4
TMP PT0
NOR PT1
Voltage range：
0~24V