Siemens MICROMASTER 440 Operating Instructions Manual page 91

Issue 10/03
With analog
output ?
no yes
CI: D/A converter
P0771 = 21
Defines the function of the 0 - 20-mA analog output.
21
24
25
26
27
NOTE
The following applies for P0771 to P0781:
Index 0 : Analog output 1 (D/A converter1), terminals 12, 13
Index 1 : Analog output 2 (D/A converter2), terminals 26, 27
Type of D/A converter
P0776 = 0
Scaling of r0774.
NOTE
Value x1 of the D/A converter scaling
P0777 = 0.0
Defines x1 output characteristic in %.
This parameter represents the lowest analog value as a % of P200x
(depending on the setting of P0771).
Value y1 of the D/A converter
P0778 = 0
scaling
This parameter represents the
value of x1 in mA.
Value x2 of the D/A converter
P0779 = 100
scaling
This defines x2 of output
characteristic in %.
This parameter represents the
highest analog value in % of P200x
(depending on the setting of
P0771).
Value y2 of the D/A converter scaling
P0780 = 20
This parameter represents the value of x2 in mA.
Width of D/A converter deadband
P0781 = 0
This sets the width of the deadband in mA for the analog output.
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
CO: Actual frequency (scaled according to P2000)
CO: Actual output frequency (scaled according to P2000)
CO: Actual output voltage (scaled according to P2001)
CO: Actual DC-link voltage (scaled according to P2001)
CO: Output current (scaled according to P2002)
0 Current output
1 Voltage output
P0776 changes-over the scaling of r0774 (0 - 20 mA ⇔ 0 - 10 V)
Scaling parameters P0778, P07080 and the deadband are always
entered in 0 - 20 mA
When D/A converter is used as voltage output, the D/A converter
outputs must be terminated using a 500 Ω resistor
mA
20
P0780
y
2
P0778
y
1
0 P0777 P0779
x x
1 2
3 Functions
100 % %
91