Analog Input 2 (Ai) - Siemens SINAMICS G120 Manual

°C I AI2 TEMP
Kl.50
+
<1>
-
Kl.51
GND
0 … 20 mA
°C
<1>
Caution:
The voltage between an input (Kl.50) and the ground point (Kl.51) must not exceed 35 V.
When the load resistor is switched in (DIP switch in position
must not exceed 10 V or the impressed current 80 mA.
<2> For p0756 = 2, 3 the units are mA.
For p0756 = 6, 7 the units are °C.
Kl. = Terminal
1 2
External Interfaces
Analog input 2 (AI2)
<2> <3>
CU AI sim_mode
0 ... 1
p0797 (0) [2] (0)
1
20 mA
0
I
Hardware smoothing
100 μs
A
Type switching
Analog input
D
CU AI sim setp
-50.000 ... 2000.000
p0798 (0.000)
<2>
I), the voltage between the input terminals
3 4
<4>
CU AI type
0 ... 8
p0756 (4) [2] (2)
CU WireBrkThresh
3
20 mA
3
<2>
CU AI U/I_inp act
r0752 [2]
CU AI sim_mode
0 ... 1
p0797 (0) [2] (0)
CU AI char y2
-1000.00 ... 1000.00 [%]
0 p0760 (100.00) [2] (0.00)
1 CU AI char y1
-1000.00 ... 1000.00 [%]
p0758 (0.00)
[2] (0.00)
[2] (0.00)
CU AI value in % [%]
r0755 [2]
Sampling time of the AI : 4 ms
5 6
FP_9568_97_01.vsd
13.12.2010
CU wire brk t_del CU AI status word
0.00 ... 20.00 0 ... 1000 [ms]
r0751
p0761 (2.00) [2] (0.00) p0762 (100) [2] (100)
T 0
<2> <2>
CU AI char x1 CU AI char x2
-50.000 ... 160.000 -50.000 ... 160.000
p0757 (0.000) [2] (0.00) p0759 (10.000) [2] (0.00)
CU AI T_smooth
0.0 ... 1000.0 [ms]
y
[%]
y
2
[%]
x y
x x x
1 2
y
1
Scaling
x y
Reference
1
quantities
p2000 … r2004
•
x x
1 2
x
2
100 %
<3> Possible settings p0756[2]:
= 2: 0 mA ... +20 mA (Default for AI2)
= 3: 4 mA ... +20 mA with monitoring
= 6: Ni1000
= 7: PT1000
= 8: No sensor
<4> Wire breakage sensing only activated when p0756 = 3.
7
Function diagram
G120 CU230P-2
V4.4
F03505
"Wire
breakage"
p0753 (0.0) [2] (0.00)
8
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