IPE300 series engineering VFD
Installation guidance
-30-
Terminal
Description
HDIA
In addition to S1
–S4 functions, the terminals can also act as high frequency pulse
input channels.
Max. input frequency: 50kHz
Duty ratio: 30%
– 70%
Supporting quadrature encoder input; with the speed measurement function
HDIB
+24V
—H1 STO input 1
Safe torque off (STO) redundant input, connected to the external
NC contact. When the contact opens, STO acts and the VFD stops
output.
Safety input signal wires use shielded wires whose length is within
25m
The H1 and H2 terminals are short connected to +24V by default.
Remove the short connectors from the terminals before using STO
function.
+24V
—H2 STO input 2
4.4.2 Input/output signal connection diagram
Set NPN /PNP mode and internal/external power via U-type short-contact tag. NPN internal mode is
adopted by default.
U-type short-
contact tag of
H2 and +24V
U-type short-
contact tag of
COM and CME
U-type short-
contact tag of
+24V and PW
U-type short-
contact tag of
H1 and +24V
+24V
485+
+24V
CME
485-485G
COMCOM
PE H2
R01CR02C
H1 +24V
R01BR02B
PW COM HDO Y1 AO1GND
S1
S2
S3
S4 HDIA HDIB AI1 AI2 +10V
R01AR02A
USB port
Keypad
port
Figure 4-19 Position of U-type short-contact tag
Note:
As shown in the Figure 4-19, the USB port can be used to upgrade the software, and the
keypad port can be used to connect an external keypad. The external keypad cannot be used when
the local VFD keypad is used.
If input signal comes from NPN transistors, set the U-type short-contact tag b24V and PW
based on the power used according to the following figure.
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