Chapter 12 Optional Peripheral Accessories; What This Chapter Contains; Wiring Of Peripheral Accessories - Hitachi S1 Series Basic Manual

S1 series standard inverter

Chapter 12 Optional peripheral accessories

12.1 What this chapter contains

This chapter describes how to select optional accessories of S1 series inverters.

12.2 Wiring of peripheral accessories

The following figure shows the external wiring of a S1 series inverter.
Power supply
Breaker
Input filter
Note:
1. Inverters of 400 V, 18.5 kW to 110 kW are equipped with built-in DC reactors.
2. P1 terminals are equipped only for inverters of 400 V, 132 kW or higher, which enable the
inverters to be directly connected to external DC reactors.
3. The brake units HITACHI's DBU series standard brake units. For details, see the DBU operation
manual.
LED keypad
Standard
P1
+
DC reactor
Input reactor
Earth
RS485–
485+
RS232
485-
converter
+
PB
Brake
resistor
Output filter
Output reactor
-213-
Upper PC
software
PC
-
+
Brake unit
Motor
Earth