Emergency Start - Siemens SIRIUS M200D Manual

Functions

3.11 Emergency start

3.11 Emergency start
Description
An emergency start enables a restart to be carried out in spite of an internal trip command.
An emergency start can be carried out if
● An ON switching command is present for the motor. The motor is switched on despite the
fact that the cause of a trip is still present. When a limit trip occurs, the motor starts in the
opposite direction.
● An ON switching command is present for the brake output. The brake output is switched
on (parameter "Brake release delay on starting" taken into account).
An emergency start cannot be carried out if
● An OFF switching command is present.
● A device error is pending.
Message bit: "Self-test error", "Switching element defective"
● The self-protection function of the motor starter has responded.
Message bit: "Switching element overload"
● Switched/unswitched supply voltage PWR/AUX-PWR is not present.
Message bit: "No switching element supply voltage"
"Electronics supply voltage too low"
● The blocking protection has responded.
Message bit: "Tripping due to motor blocking"
● A process image error is present.
Message bit: "Process image error"
Control options for emergency start
● Parameter "Input n action" → "Emergency start" parameterized
● Commands "Emergency start ON", "Emergency start OFF"
Messages and actions
Emergency start active
76
Message Description
Present while emergency start is active, even if
the motor and brake output are switched off.
M200D AS-Interface Standard
Manual, 08/2014, A5E02548958A/RS-AA/004