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iDrive2 inverters Installation Guidelines
16
Fig 3-6 Wiring of control circuit
Description
ROA
Output relay N/O terminal
(Relay contact rating: 3A/AC250V,1A/DC30V)
ROC
Output relay common terminal
+10V
Local power 10Vdc for analog inputs.
AI
1. Input range: AI voltage and current: 0~10V/0~20mA and switch by J3
2. Input impedance:voltage input: 20kΩ; current input: 500Ω
3. Resolution: the minimum is 5mV when 10V corresponds to 50Hz
4. Deviation ±1%, 25
℃
Note: Keypad potentiometer set by parameter AI1, external input set by parameter AI2.
24V
Local +24V power supply, 100mA
GND
+10V reference zero potential
AO
1. Output range:0~10V or 0~20mA
2. The voltage/current is selected by jumper J2
3. Deviation±1%,25
℃
S1
Switch input 1
1. Internal impedance:3.3kΩ
2. 0~4V corresponds to low electric level input and 7~30V
corresponds to high electric level input
3. Max input frequency:1kHz
4. All are programmable digital input terminal. User can set the
terminal function through function codes.
S2
Switch input 2
S3
Switch input 3
S4
Switch input 4
S5
Switch input 5
Common terminal for S5/Y and switch by J1
Note : S5 and Y can not be used at the same time
Y
Digital output terminal
485+
485 communication interface and 485 differential signal interface
For standard 485 communication interface, please use twisted pairs or shield cable.
485-
3.3 Layout protection
3.3.1 Protect the inverter and input power cable in short-circuit situations
Protect the inverter and input power cable in short circuit situations and against thermal overload.
Arrange the protection according to the following guidelines.
Fig 3-10 Fuse configuration
Note:
Select the fuse specified in this manual. The fuse will protect the input power cable from short circuit. It will
protect the surrounding devices in case of inverter internal short circuit.
3.3.2 Protecting the motor and motor cables
The inverter protects the motor and motor cable in a short-circuit situation when the motor cable is sized according
to the rated current of the inverter. No additional protection devices are required.