Operation
7.1 ON/OFF Commands
Control Units CU240S
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
189
Sources for ON/OFF command
For standard Control Units (CU240S), the command source for ON/OFF is the digital input 0
(DI0).
For PROFINET or PROFIBUS Control Units, the communication interface is used as
command source for ON/OFF.
In addition the following sources are selectable via P0700:
● Digital inputs (P0700 = 2)
● BOP (P0700 = 1)
● STARTER (P0700 = 4)
● A higher-level control system (P0700 = 6)
Refer to Commissioning section for details.
ON/OFF via DI/DO
The ON command requires a permanent signal.
ON/OFF via BOP
To power the inverter ON/OFF, press the following keys on the BOP:
(Green)
ON
OFF1 Press once
(Red)
OFF2 Press twice or pressing once for a longer period of time
ON/OFF via a higher-level control system
Via a serial interface, you switch ON/OFF the inverter using a higher-level control system,
e. g. a controller S7-300.
Note
The 2-/3-wire control provides special ON/OFF methods. For detailed information, refer to
the Function Manual.
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