VAMP 140 Overcurrent and earth-fault relay
Operation and Configuration
VAMP Ltd
22
Vamp 24h support phone +358 (0)40 573 6316 VM140.EN011
5.2. Enabling and disabling protection
functions (ENABLE)
Via the submenus of the ENABLE menu, all the protection
functions can be enabled (ON) or disabled (OFF):
ENABLE I
• Overcurrent, unbalance and arc protection stages (I>
I>>, I>>>, I2> and ArcI>)
ENABLE Io
• Residual current stages and residual arc protection
(Io>, Io>>, Io>>> and ArcIo>)
Ena CBFP
• Circuit Breaker Failure Protection stage (CBFP)
RESET
• Reset the software of the VAMP 140 relay and reset
latches (Reset and Latch)
NOTE!
Disabling a protection function will remove the item from the
menu.
5.3. Setting protection function parameters
The settings of the selected protection functions can be read
and set separately in the submenus of each function.
Available protection stages
• I>, I>>, I>>>, I2>, ArcI> (IL SETTING)
• Io>, Io>>, Io>>>, ArcIo> (Io SETTING)
• CBFP (CBFP Set)
5.4. Scaling of measuring transformers
Via the submenus of the SCALING menu the following can be
read and set:
IL SCALING
• Current transformer primary value (CTprim)
• Current transformer secondary value (CTsec)
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