Emergency Start - Siemens 3RK1308‑0 00‑0CP0 Series Equipment Manual

Functions

6.18 Emergency start

6.18 Emergency start
Description
Emergency start enables restart despite an internal trip command. Emergency start is
possible if there is an ON switching command for the motor. The motor is switched on
despite a pending trip cause. At a limit trip, the motor starts in the opposite direction.
Emergency starting is not possible in the following situations:
● When you are using a fail-safe motor starter in ATEX operation
● If a device fault is active
● If there is no switched/unswitched 24 V DC supply voltage, or if the supply voltage is
outside the specified range.
● The blocking protection has responded
● If a process image error is active
You can activate the function "Emergency start" as follows:
● PIQ 0.4 "Emergency start"
● Via the 3DI/LC module
● Via manual bus mode
● In manual bus mode via DS68
Messages and actions
Table 6- 10
Message
Emergency start active
118
Messages and actions emergency start
Action
Remains pending while emergency start is active, even if the motor is
switched off.
Motor starter (3RK1308‑0**00‑0CP0)
Equipment Manual, 11/2019, A5E34821005002A/RS-AC/003