Safety Integrated - Industry - Siemens

Ex. No.
3.5
Advantages/customer benefits
■ Planning and engineering
- Lower time and costs for engineering and documentation:
Motor starters are re-parameterized and documented using
the standard Step 7 tool.
The PLC can handle all of the control functions of the motor
starter.
Only 2 motor starter versions are required to cover the
power range up to 7.5 kW.
■ Installation and commissioning
- Fast installation and mounting:
Fast installation system of the ET 200S with self-establishing
50 A power bus
All of the various cable ducts and terminals are eliminated.
All of the load feeders - with the exception of the motor
connection - are completely wired and connected-up
Every power supply voltage is only connected once and is
automatically connected to the next modules
Optimum cabinet design without de-rating up to 60°C
- Low space requirement (either few / smaller electrical
cabinets):
The mounting space in the electrical cabinet is required
due to the fewer materials and wiring - in turn this reduces
the space required in the plant or system.
- Fast commissioning:
Reduced testing costs as a result of the modular and standardized
plant/system concept - no risk of wiring mistakes/errors.
- Simple acceptance at favorable costs (Machinery Directives):
Motor starters and safety modules have been certified by
the TÜV [German Technical Inspectorate]
Failsafe Motor Starters
64 Functional Example No. CD-FE-I-029-V10-EN
■ Operation
- The availability and productivity have been increased:
Faults are detected early on thanks to powerful diagnostic
functions
Motor starter overloads can be simply acknowledged with
a remote reset via PROFIBUS (or PROFINET)
Emergency Start function
Coordination type "2" for 50 kA
■ Service and maintenance:
- Simple and preventive service and maintenance:
Single diagnostics, overload and short circuit are separately
detected.
- Short downtimes:
Hot swapping (motor starters can be replaced in just a few
seconds in operation without requiring any tools) - thanks
to the pre-configured wiring
Self-coding motor starters (an incorrect motor starter cannot
be inserted as it is mechanically interlocked)
The master automatically and remotely parameterizes the
devices when replaced under voltage (hot swapping)
Full motor protection thanks to the overload protection -
short circuit protection - dissymmetry - anti-stall protection
- zero current detection, long motor starter lifetimes
up to 10 million switching operations.
- Lower costs when stocking spare parts:
There are only 2 motor versions up to 7.5kW with wide
setting ranges
■ Upgrades and expansions
Existing plants and systems can be simply and quickly upgraded/expanded.
A Failsafe Motor Starter comprises a circuit-breaker with shunt
release, a contactor with positively-driven auxiliary contacts
and an electronic evaluation unit for fault detection.
The PM-D F X1 power module disconnects the contactor supply
voltage. If the contactor control (energization) does not
match the switching state of the positively-driven auxiliary
contact, then the evaluation electronics detects a fault and
opens the circuit-breaker.
In this case, the second shutdown element is therefore the circuit-breaker
that is shutdown from a monitored shunt release
when a fault occurs.