Specifications

1.1
System configuration
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 Notes on the general wiring drawing
• Number of axes of the YS 840DI system:
The maximum number of axes of the system is seven (including the spindle) per converter.
• External power supply:
An external power supply of appropriate capacity must be provided by the customer.
• Separately mounted encoder:
Separately mounted encoders are optional for any servo unit or inverter.
• Emergency stop/start circuit:
An emergency stop/start circuit must be provided for each converter. Thus a system with two con-
verters requires two separate emergency stop/start circuits.
• Braking circuit:
A braking circuit may be provided only for an axis that needs it.
• Direct IN circuit:
A direct IN circuit must be provided for each converter system. The direct IN circuit may be con-
nected to any servo unit of the converter system.
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