D124.1S2-Manual_EN_Rev03
Reverse alarm latched/not latched
A reverse alarm can be latched. It must be then resetted by control input
S2. Parameter 0 = alarm not latched, 1 = alarm is latched.
Step P02.06
reverse alarm latched/not latched
Program Group P03.xx
Analog output
High and low end of analog output span
High and low end of the analog output will be assigned to speed val-
ues by two program steps:
P03.00 defines the high end, P03.01 defines the low end of the analog
output. Both limits are set by the same terms as already defined for the
display.
Note:
This allows the low end to be set as high as 90 % of the high end,
resulting in a 10 times spreading (enhancement) of the converted
band. Further enhancement is not recommended.
Step P03.00
high end of analog output
Step P03.01
Low end of analog output
Analog output zero level
The parameter of step P03.02 defines:
0: without live zero
1: with live zero
Step P03.02
analog output zero level
Step P03.02
fix value 1, do not change
Program Range P04.xx
Defining the Speed Setpoint Alarm SP1
Alarm Setpoint
The setpoint SP1 is programmed by the same terms as selected for
the display of the speed.
Step P04.00
setpoint SP1
Alarm Hysteresis
The hysteresis is the margin between condition "excess" (>) and "no
excess" (<), defined by its bandwidth and its position in reference to
the setpoint. The hysteresis bandwidth is set as a percentage of the
setpoint.
The hysteresis band may be placed above setpoint, below setpoint, or
symmetrically around the setpoint.
"Above" means, the alarm goes to excess state (>) when the speed
exceeds the setpoint plus tolerance bandwidth, and it returns to no-
excess (<), when the variable drops below setpoint.
Set parameter 0 for this performance.
"Below" means, the alarm goes to excess (>) when the variable ex-
ceeds the setpoint, and it cancels to no-excess (<), when the variable
drops below setpoint minus tolerance.
Set parameter to 1 for this performance.
In "symmetrical" mode, the alarm goes to > when the variable ex-
ceeds the setpoint by half the tolerance band, and it cancels to < at half
the tolerance below setpoint.
Set parameter to 2 for this performance.
No-Power condition of the setpoint alarm
Without power supply to the unit, the alarm relay is de-energized. To
consider safety aspects of the application, this No
Step P04.01
Alarm hysteresis bandwidth
Step P04.02
Alarm hysteresis position
0 = above setpoint
1 = below setpoint
2 = around setpoint
Step P04.03:
Alarm output at “no-power”
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