nord NORDAC FLEX SK 200E Series User Manual page 186

NORDAC FLEX (SK 200E ... SK 235E) – Users Manual for Frequency Inverters
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P480 ... P481 Using Marker
With the aid of the two flags it is possible to define simple, logical sequences of functions.
To do this, the "triggers" for a function (e.g. a motor PTC overtemperature warning) are defined in
parameter (P481) in arrays [-09] - "Flag 1" and [-10] - "Flag 2".
In arrays [-11] and [-12] of parameter P480, the function which the variable frequency drive is to
perform if the "trigger" is active is assigned in arrays [-11] and [-12] of parameter P480. I.e.
parameter P480 determines the response of the variable frequency drive.
Example:
In an application, the variable frequency drive is to reduce the actual speed immediately (e.g. with
an active fixed frequency) if the motor is in the overtemperature range ("Motor overtemp.PTC").
This is to be implemented by "Deactivation of analog input 1" via which in this example, the actual
setpoint is normally set.
This is used to reduce the load on the motor, so that the temperature can stabilize or the drive
unit reduces speed to a defined value before a shut-down due to error occurs.
Step
1
2
Depending on the function which is selected in (P481) the function may need to be inverted by
modification of the standardization (P482).
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P482
[-01]
Standard BusIO Out Bits
...
(standardization of Bus I/O Out Bits)
[-10]
-400 ... 400 % Adjustment of the limit values of the bus Out bits. For a negative value, the output function will be
output negative.
{ all 100 }
Once the limit value is reached and positive values are delivered, the output produces a High
signal, for negative setting values a Low signal.
[-01] = Bus / AS-i Dig Out1
[-02] = Bus / AS-i Dig Out2
[-03] = Bus / AS-i Dig Out3
[-04] = Bus / AS-i Dig Out4
[-05] = Bus / IOE Dig Out1
[-06] = Bus / IOE Dig Out2
[-07] = Bus/ 2nd IOE Dig Out1
[-08] = Bus / 2nd IOE Dig Out2
[-09] = BUS statusword Bit 10
[-10] = BUS statusword Bit 13
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P483
[-01]
Hyst. BusIO Out Bits
...
(Hysteresis Bus I/O Out Bits)
[-10]
1 ... 100 % Difference between switch-on and switch-off point to prevent oscillation of the output signal.
186
Description
Determine the trigger,
Set flag 1 to the "Motor overtemperature warning"
function
Specify the reaction,
Set flag 1 to the function "Setpoint 1 On/Off"
(Bus IO Out Bit 0 + AS-i 1)
(Bus IO Out Bit 1 + AS-i 2)
(Bus IO Out Bit 2 + AS-i 3)
(Bus IO Out Bit 3 + AS-i 4)
(Bus IO Out Bit 4 + DO 1 of the first SK xU4-IOE (DigOut 02))
(Bus IO Out Bit 5 + DO 2 of the first SK xU4-IOE (DigOut 03))
(Flag 1 + DO 1 of the second SK xU4-IOE (DigOut 04))
(Flag 2 + DO 2 of the second SK xU4-IOE (DigOut 05))
Function
P481 [-07]  Function "12"
P480 [-09]  Function "19"
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BU 0200 en-US-4920