Siemens SIMATIC EM 148-FC, Руководство пользователя

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Functions and Technical Specifications
4-18
EM 148-FC Frequency Converter
A5E00065321-03
4.3.2 Inching mode using the hand-held controller
Prerequisites
The “local” operating mode (manual operation) must be set for inching mode using
the hand-held controller. To do this, proceed as follows:
1. In case you haven’t already done it, connect the hand-held controller to the
“local” subminiature D female connector of the Frequency Converter.
2. Press the “local” key on the hand-held controller.
If the motor is running at this point, it will be stopped by means of the normal
ramp-down.
Procedure
Table 4-7 Procedure for inching mode using the hand-held controller
Step Effect
The “right” or “left” key is pressed and held
down Ramp-up to the parameterized motor
frequency required for inching mode
(Inching frequency parameter)
The key is released again Ramp-down to standstill
During manual operation the feedback interface (see Section 4.1.2) continues to
be updated. The active operating mode is displayed in bit 9 of the status word.
Faults indicated by bit 3 in the status word are acknowledged automatically.
!
Warning
If the connecting cable for the hand-held controller is disconnected from the
Frequency Converter during manual operation, the frequency converter will remain
in this operating mode. It can then no longer be addressed by the programmable
controller.