Commissioning
Parameterisation of function block interconnection
6
44
BA33.0001 EN 2.0
6.4 Parameterisation of function block interconnection
Basis for this function block interconnection is the configuration 1000 or 1010 (speed
control).
Parameter setting arithmetic block ARIT1
Code Setting Signal Assignment Meaning
C0338 3 ARIT1 FUNCT OUT = IN1*IN2 Multiply input signals
C0339/1 5004 ARIT1-IN1 MCTRL-IACT Input signal = motor current
C0339/2 5004 ARIT1-IN2 MCTRL-IACT
Parameter setting PT1 element PT1-1
Code Setting Signal Assignment Meaning
C0640 30 s DELAY T Time constant =
30 s
C0641 5500 IN ARIT1-OUT Input signal = output from ARIT1
Parameter setting for the limit value in FCODE472/1
Code Setting Meaning
C0472/1
FCODE472
∕
1
=
I
0
I
max
⋅
1.05
2
⋅
100 %
The factor 1.05 is a starting value for
commissioning. This value may need
to be ad
usted to achieve the
I
0
[A] Standstill current of the motor
standstill torques and maximum
I
max
[A] Maximum curr ent from C0022
torques.
Parameter setting comparator CMP2
Code Setting Signal Assignment Meaning
C0685 5 FUNCTION |In1| > |IN2| Compare I
2
xt value with limit value
C0686 1.00 % HYSTERESIS Hysteresis = 1 % Hysteresis of the output signal
C0687 1.00 % WINDOW Window=1% Window for the output signal
C0688/1 5900 IN1 PT1-1-OUT Input signal 1 = output from PT1-1
(I
2
xt value)
C0688/2 19521 IN2 FCODE-0472/1 Input signal 2 = FCODE472/1 (limit
value)
Parameter setting OR logic OR1
Code Setting Signal Assignment Meaning
C0830/1 10665 IN1 CMP2-OUT Input signal 1 = output from CMP2
C0830/2 54 IN2 DIGIN4 Input signal 2 = digital input E4
C0830/3 1000 IN3 FIXED0 Input signal 3 = ”logical 0”
Parameter setting for the error input in the device control DCTRL
Code Setting Signal Assignment Meaning
C0871 10550 TRIP-SET OR1-OUT TRIP is triggered if the I
2
xt monitoring
has tripped or there is an external
fault on E4