Goodrive350-UL Series VFD
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 Goodrive350-UL series VFDs.
D.2 Wiring of peripheral accessories
The following figure shows the external wiring of a Goodrive350-UL series VFD.
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. The VFDs of 220V (≤15kW) and 460V (≤30kW) are configured with built-in brake units.
2. The VFDs of 220V (18.5–55kW) and 460V (≥37kW) are configured with P1 terminals and are
connected to external DC reactors.
3. The brake units INVT's DBU series standard brake units. For details, see the DBU operation
manual.