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Area Function Setting Observation
DISABLE) "Ground Fault", it is a good practice to prevent Panel
Resetting.
An authorized person (key holder - few key options
are available, according to Discrete input A..D
settings)) can always reset any fault.
Note:
If Authorized Key is locked, front panel Resetting is
effective if:
a. Panel Reset parameter is "Enabled." For the
specific fault displayed.
For MPS3000-C, two additional conditions must be
fulfilled:
b. There is no Start signal (to prevent start as a
result of resetting).
c. Local/Remote input is in "Local" mode, and
Reset
Remote
Reset
Set Remote
Reset :
ENABLE
The MPS3000 incorporates programmable four
Discrete (digital) inputs. Each one can be set for
Remote Reset.
The MPC3000-C incorporates an additional PLC
Reset input.
The following conditions will enable PLC Reset.
a. Local/Remote input is switched to Remote, and
b. PLC/Serial Port input is switched to PLC
c. There is no Start signal.
Use only momentary reset inputs. !
Reset
Reset via
serial link.
For MPS3000, the reset via serial link is always
accepted.
For MPS3000-C:
The following conditions will enable reset via the
serial link.
a. Local/Remote input is switched to Remote, and
b. PLC/Serial Port input is switched to Serial Port.
Output
Relays
Enable
Relay-A
activation
upon trip or
Alarm
Set to ENABLE
or DISABLE
Output Relay-A is activated when trip or alarm
occurs.
Physical activation of the relay occurs if a fault/trip
occurs for any of the trip/alarm conditions for which it
is set.
The relay can also be used (when configured as (I>0)
After Trip), to trip an upstream breaker, if the
contactor is welded, so current is still > 10% of rated,
after trip.
Output
Relays
Enable
Relay-B
activation
upon trip or
Alarm
Set to ENABLE
or DISABLE
Output Relay –B is activated when trip or alarm
occurs.
Physical activation of the relay occurs if a fault/trip
occurs for any of the trip/alarm conditions for which it
is set.
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