Expert SmartTurn - Description - PLC Signals; Inputs; Dok-ID:EXPERT-0003-EN

Turntable control SmartTurn
Installation and commissioning
Dok-ID:EXPERT-0003-EN-2011 35
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5.3.1 Description - PLC signals
All inputs and outputs are PNP-switching and potential-connected
to 0VDC.
All outputs are short-circuit proof.
To protect the outputs, contactor coils that are connected to the
outputs must be equipped with a varistor protective circuit.
Outputs A1 and A2 can be loaded with max. 0.6A at 24VDC (14W).
Outputs A3 to A7 can be loaded with a maximum of 0.25A at
24VDC (6W).
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SmartTurn power supply
The permissible operating voltage for the SmartTurn control unit is
between 18 and 30 V DC.
Pin Connection
19 +24 V DC supply
6 0 V DC, reference potential inputs/outputs
12 PE
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5.3.1.1 Inputs
Inputs – power unit – X2
E1 – forward on (pin 1)
The PLC sets the signal when the turntable should rotate forward.
The signal must be applied for the entire duration of rotation.
E2 – backward on (pin 3)
The PLC sets the signal when the turntable should rotate
backward.
The signal must be applied for the entire duration of rotation.
Inputs power unit – X1
E3 – slow on (pin 5)
The PLC sets the signal when the turntable should rotate in creep
speed.
For example, this is necessary when the rotary table should not be
started from the 0-position.