Instruction manual

Table Of Contents
4-81
Circuit Diagram and Configuration
Main Circuit
Configuration of Control Circuit
Summary of Operation
Input
Output
(Status signal and magnetic contactor)
Inverter
operation
ISW50 or ISW60
Run command
SW52-1
52-1
SW52-2
52-2
SW88
88
OFF
(Commercial power)
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
(Inverter)
ON
ON
ON
OFF
ON
OFF
OFF
Timing Scheme
Switching from inverter operation to commercial-power operation ISW50/ISW60: ON OFF
(1) The inverter output is shut OFF immediately (Power gate IGBT OFF)
(2) The inverter primary circuit SW52-1 and the inverter secondary side SW52-2 are turned OFF immediately.
(3) If a run command is present after an elapse of t1 (0.2 sec + time specified by H13), the commercial power
circuit SW88 is turned ON.