SANCH S3800C Series, Руководство пользователя

Страница: 24 / 105

Be sure to connect an optional DC reactor (DCR) when the capacity of the power supply trans-
former exceeds 500 kVA and is 10 times more than the inverter rated capacity (accessories).
Otherwise fire could happen.
Do not connect to terminals other than terminals P (+) and DBwhen connecting the DC brake
resistor.
Otherwise fire could happen.
Use the braking resistor with greater capacity to improve the braking power when the power of built-in
braking resistor below a capacity of 5.5kW is insufficient (high frequency running or high inertia load
running, etc.). Remove the built-in braking resistor with the steps below.
1) Remove the wiring that connects built-in braking resistor to the terminals P (+), DB in the inverter
with a capacity of 1.5 to 5.5kW.
2) Connect the braking resistor terminals P (+), DB.
3) Keep the wiring distance between the inverter and braking resistor below 5m and two lines twisted
or paralleled.
（
4
）
Connect the brake resistorterminals P(+)
、
DB (below a capacity of 30kW)
（
5
）
Control power auxiliary input terminals R1, T1
The inverter can still run if power is not input to control power auxiliary input terminals. If the main
power of the inverter is cut off and control power gradually depletes, various output signals and
keypad will no longer display.
When retaining the alarm signal (for any fault) or thekeypad for display after the main power of
inverter is disconnected, connect the terminals R1 and T1 to the power supply. Perform wiring from
the input side (primary) of the magnetic contactor (MC) if there is a magnetic contactor (MC) in the
input side of the inverter .
Rated terminals 220V: AC200~240V, 50/60Hz; the maximum current is 1.0A.
440V: AC380~480V, 50/60Hz; the maximum current is 0.5A
Danger
Power (kW)
1.5~5.5
7.5~30
Braking transistor
Built-in
Built-in
Built-in braking resistor
Built-in
Not installed
Connecting accessories
Braking resistor (power rises)
Braking resistor
Steps
1)
、
2)
、
3)
2)
、
3)
Caution
２１