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11.01.21 en / 335A
Display (Run) - Mode
Input-Mode
UP /
DOWN
After power up the relay is in display (Run) mode.
The measurement is interrupted, the relays are in failure state and the
indicator LED has orange color
Buttons have no function
Selection of parameters and setting of thresholds
ENTER
Manual reset, when manual reset is selected for output relay
- Shifts cursor to the right
Reset works only when fault is removed
- Saves the value no-voltage safe
- Pressing for more than 3 sec: Change to display (Run) mode.
Esc
Esc
- Pressing for more than 3 sec: Change to input mode
- Shifts cursor to the left
- Leave setting without saving
LCD-Display
Rel.1 Rel.2 Sp1 Sp2
Rel.1 Rel.2 Sp1 Sp2
<U
Rel.1 Rel.2 Sp1 Sp2
>U
Rel.1 Rel.2 Sp1 Sp2
<U
Setting Parameter
< U Fault, when value drops under set point
> U Fault, when value exceeds set point
OFF Measurement disabled
If the adjusted threshold of at least one measuring function is exceeded, the corresponding relay output switches after the selected time delay tv and
the fault is indicated on the display.
Manual reset can be activated or de-activated and is operated with
on the unit.
Limit values for Rel.1 and Rel.2
Selectable with buttons
.
Factory
setting
<U:
Response value undervoltage
(Undervoltage relay)
OFF
>U:
Response value overvoltage,,
(Overvoltage relay)
*
Hyst: response value hysteresis
5 %
t
v
:
On delay for relays ( 0 ... 10 sec )
0 s
A / R: Seting open- / closed circuit operation
R
Sp:
Error storage ( ON / OFF )
OFF
Response values can be deactivated. (OFF)
*) dependent to device-variant (measuring range)
Selectable with buttons
.
Factory
setting
t
a
:
Start up delay, when auxiliary voltage connected
( 0.2 ... 10 s)
0.2 s
AC/DC Measuring voltage AC or DC
AC
(Restore factory settings)
Before auxiliary voltage connected press button
Esc
.
During start press and hold.
The switching mode energized or de-energized on trip can be set in input
mode. The MH 9064 has 2 relay outputs. Monitoring function can be assig-
ned to Relay 1 and/or to Relay 2.
Operating
Adjustable Parameter
Further Setting Parameter
Restore Factory Settings
Indicator output
