Safety Integrated - Industry - Siemens

Ex. No.
7
Operating instructions
Prerequisite:
■ Hardware configuration of STEP 7 and safety program are
in the S7-CPU
■ Emergency stop unlocked
■ No passivation of the F-DI/F-DO
Warning!
The instructions listed in the table below should first
be performed without activated load circuit.
Motor ON/OFF
No. Instruction Result/Note
1 Press the acknowledgement
push button and release it.
2 Press the push button for
start request and release it.
3 Press the push button for
stop request and release it.
Emergency stop
No. Instruction Result/Note
1 If the motor is started for the
first time: Press the acknowledgement
push button
If not: No. 2
2 Press the push button for
start request and release it.
3 Press the emergency stop
push button.
4 Unlock the emergency stop
push button
5 Press the push button for
start request and release it.
Necessary before starting the
motor for the first time.
Contactors K1 and K2 are activated;
due to this the motor
starts
Contactors K1 and K2 drop out;
due to this the motor stops
An acknowledgement is required
before starting the motor
for the first time.
Contactors K1 and K2 are activated;
due to this the motor
starts
Contactors K1 and K2 drop out:
The motor stops
–
Contactors K1 and K2 are not activated,
the motor does not
start.
Starting the motor is only possible
after an acknowledgement.
258 Functional Example No. AS-FE-I-007-V10-EN
Welding of a contactor
No. Instruction Result/Note
1 If the motor is started for the
first time: Press the acknowledgement
push button
If not: No. 2
2 Press the push button for
start request and release it.
3 Press the STOP push button
and keep the coil of contactor
K1 or K2activated.
4 Press the push button for
start request and release it.
An acknowledgement is required
before starting the motor
for the first time.
Contactors K1 and K2 are activated;
due to this the motor
starts
Simulated welding of the contactor.
F output for K1 and K2 is not
switched.