![Veikong VFD700 Series Скачать руководство пользователя страница 38](http://html1.mh-extra.com/html/veikong/vfd700-series/vfd700-series_operation-manual_3864500038.webp)
2 Installation and cabling
VFD700 AC Drive Getting Started Guide 31
2.3.4 Control terminals specification
RL3 RL4
DO2
24V
AI2
0V
DI4 DI5
B
A
DI7
DI6
RL1 RL2
AO1
10V
AI1
0V
DO1 24V
DI3
DI2
DI1
0V
RS485
Figure 2-38 Control terminal diagram
Table 2-16 Control terminal and comms. port
Type
Terminal
Name
Function
Technical Specifications
Serial
comms.
RS485
RJ45 port
Two lines, ModbusRTU protocol
A
485 plus signal
Same function with RJ45 port, mainly for multi
network
B
485 minus signal
Digitalinp
ut
DI1
~
DI5
Programmable digital
input terminals
The common can be 0V or 24V by setting
P09.21(default is 0V)
Input resistance: 10 kΩ
High, low logic threshold:10V±1V
Samplingperiod: 1ms
DI6
Normal digital input
Length counting
Number counting
Same as DI1
~
DI5
Length counting by input pulse signal
Samplingperiod: 5ms
Number counting by input pulse signal
Samplingperiod: 5ms
Note: pulse frequencyrange is 0Hz
~
60Hz.
DI7
Normal digital input
High frequencypulse
input
Motor thermister
input
Same as DI1~DI5, but Input resistance is
5kΩ
High frequency pulse input
Frequency range: 1kHz
~
50kHz
Only when P09.21=1 can it bethermister
input
–motor overheating protection resistance:
3kΩ
Reset resistance: 1.8kΩ
Sampling period: 5ms