Multiple Operator Control With Foot Switch - Siemens Simotion TM 121C Applications Manual

Procedural functions of press brakes
7.7.2

Multiple operator control with foot switch

Inputs:
EMERGENCY OFF switch
Access protection E1
Access protection E2
Operating mode 4
Foot NO (1)
Foot NC (1)
Foot NO (2)
Foot NC (2)
'DOWN' request
'Fast
downwards movement'
request
Outputs:
'DOWN' enable
Valve 1 (slow)
Press safety valve
Valve 2 (fast)
Emergency off output signal
Figure 7-12 Example for multiple operators with foot switch
For this example, it is assumed that two foot switches and an access protection
(dual-channel E1/E2) have been parameterized for mode 4. The valves are
controlled via variant 2.
7-62
UPPER POINT MUTE POINT
© Siemens AG 2003 All Rights Reserved
SIMOTION Safety Unit (AP) - Edition 06.2003
END
STROKE