Procedural functions of press brakes
© Siemens AG 2003 All Rights Reserved
SIMOTION Safety Unit (AP) - Edition 06.2003
7-61
7.7 Application examples and procedural functions
The application examples apply to a handshake with a higher level process control.
7.7.1 Single operator control with foot switch
Inputs:
UPPER POINT MUTE POINT END
STROKE
EMERGENCY OFF
switch
Access protection E1
Access protection E2
Operating mode 2
Foot NO (1)
Foot NC (1)
'DOWN' request
'Fast
downwards movement'
request
Outputs:
'DOWN' enable
Valve 1 (slow)
Press safety valve
Valve 2 (fast)
Emergency off output
signal
Figure 7-11 Example for foot switch
For this example, it is assumed that a foot switch and an access protection (dual-
channel E1/E2) have been parameterized for mode 2. The valves are controlled via
variant 2.
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