LC1D65B7 Datasheet, PDF (1/4 Pages) List of Unclassifed Manufacturers – SEMI F47 Low Voltage Ride Through Module

LVRT module attached
to TELEMECANIQUE
Contactor
Low Voltage Ride
Through Module (LVRT)
SEMI F47 Low Voltage Ride Through Module
Minimize voltage sags and increase
machine uptime
By ensuring SEMI F47 compliance of AC powered IEC contactors
and relays, the Low Voltage Ride Through Modules can be used to
increase the voltage sag immunity of semiconductor processing
equipment. These modules make it possible for AC powered
TELEMECANIQUE contactors and relays to exceed the require-
ments of SEMI F47, both in the magnitude and duration of a
voltage sag event – even with accessories such as auxiliary contact
blocks and pneumatic timers.
More and more wafer fabs are insisting that front-end wafer
processing equipment comply with SEMI F47. Many of the
contactors and pilot relays used on equipment, particularly in
the EMO circuit, are not able to meet the standard. As a result,
equipment can drop out during a voltage sag of 50% in magnitude
and 200ms in duration, causing equipment shutdown.
The Low Voltage Ride Through Modules can be used with
TELEMECANIQUE contactors from 9A through 80A, as well as
the CAD series of control relays.
Key Benefits
■ Easy retrofitting. Modules are compatible with
TELEMECANIQUE contactors 9A through 80A and TeSys
CAD series control relays.
■ Reduced inventory. Each module covers complete contactor
amperage range.
■ Increased flexibility. Available in 24VAC, 120VAC and 208
VAC versions.
■ Unsurpassed operation and performance. Electronics and
8-bit micro-controller optimized to TELEMECANIQUE contactor
and relay coils.
- Overvoltage protection during coil energization
- Surge and fast transient burst protection
- Discerns between 20 ms micro outages and activation
of EMO button for emergency shutdown.
■ Exceeds SEMI F47 ride through standards. Guaranteed
ride through at 45% of nominal voltage, with no restriction on
voltage sag duration, must drop out at 30% of nominal range.
■ Meets industry standards. Modules carry UL, IEC and CE
mark and certified SEMI F47 compliant.
■ Easy installation. Modules mount directly to the top of
contactors – no additional wiring is required.