Application Examples And Procedural Functions; Single Operator Control With Foot Switch - Siemens Simotion TM 121C Applications Manual

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:
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.
© Siemens AG 2003 All Rights Reserved
SIMOTION Safety Unit (AP) - Edition 06.2003
UPPER POINT
Procedural functions of press brakes
MUTE POINT END
STROKE
7-61