DRV-28 inverter
s Optional peripheral accessories
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Appendix D Optional peripheral accessories
D.1 What this chapter contains
This chapter describes how to select optional accessories of DRV-28 series inverters.
D.2 Wiring of peripheral accessories
The following figure shows the external wiring of a DRV-28 series inverter.
Power supply
Breaker
Input filter
Input reactor
Earth
DC reactor
LCD keypad
P1
+
+
-
PB
Brake
resistor
Brake unit
PC
RS485
–
RS232
converter
Output filter
Output reactor
Motor
Earth
+
Upper PC
software
485+
485-
Standard
Note:
1.
Inverters of 400V, 37 kW or lower are equipped with built-in brake units, and inverters of 45 kW to
110 kW can be configured with optional built-in brake units.
2.
Inverters of 400V, 18.5 kW to 110 kW are equipped with built-in DC reactors.
3.
P1 terminals are equipped only for inverters of 400V, 132 kW or higher, which enable the
inverters to be directly connected to external DC reactors.
4.
The brake units Astraada's DBM series standard brake units. For details, see the DBM operation
manual.