Standard Wiring Of Control Circuit - Hitachi S1 Series Basic Manual

S1 series standard inverter

4.4 Standard wiring of control circuit

4.4.1 Wiring diagram of basic control circuit
Multi-function input terminal 1
Multi-function input terminal 2
Multi-function input terminal 3
Multi-function input terminal 4
High speed pulse input terminal
Safety switch
S2
S1
Open circuit
Safety controller
Safety state feedback
Terminal
name
485+
485 communication interface
485-
1. Internal impedance: 3.3kΩ
S1
2. 12 – 30V voltage input is available
S2
3. The terminal is the dual-direction input terminal
S3
4. Max. Input frequency: 1kHz
S4
Except for S1 – S4, this terminal can be used as high frequency input channel.
HDI Max. Input frequency: 50kHz
Duty ratio: 30% – 70%
PW
Provide input digital working power from external to internal
NG
The screw is
not fastened.
Fig 4.17 Screw installation diagram
S1
S2
S3
S4
HDI
+24V
PW
COM
PE
Analog input
+10V
AI2
V
AI3
COM
PE
Safety input
H1
H2
PE
+ 24V
Fig 4.18 Wiring diagram of control circuit (0.4–2.2kW)
Y
The screw is
fastened.
COM
AO1
AO1
COM
485+
485-
RO1A
RO1B
AI2
RO1C
I
Technical specifications
-26-
Y1
Y1 output
Analog output
0-10V/0-20mA
Twisted pair
Shieldlayer
RS485
communication
PE
Relay 1 output