Configuring the terminal block
5.4 Analog inputs
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
97
5.4
Analog inputs
Depending on the design of the Control Unit, the inverter features one or two analog inputs.
Table 5- 7
Pre-assignment of the analog inputs
Terminal Analog input
Parameter Factory setting
3
4
AI 0+
AI 0-
AI 0
p0756[0]
4 Bipolar voltage input -10 V … +10 V
10
11
AI 1+
AI 1-
AI 1
p0756[1]
4 Bipolar voltage input -10 V … +10 V
Not available with Control Units CU240B-2 and
CU240B-2 DP
This section shows how to set the analog input as either a voltage or current input. BICO
technology can be used to set further interconnection of the analog input, e.g. as a speed
setpoint or setpoint for the technology controller. For more information, see the parameter list
and in the function block diagrams 9566 ff of the List Manual.
If you have selected "Control via terminals" in the basic commissioning, then analog input 0
is already interconnected with the speed setpoint.
Analog input as voltage or current input
Using parameter p0756, you define whether the analog input is used as voltage input (10 V)
or as current input (20 mA). p0756[0] is valid for analog input 0 and p0756[1] for analog
input 1.
The following options are available:
AI 0
Unipolar voltage input
Unipolar voltage input monitored
Unipolar current input
Unipolar current input monitored
Bipolar voltage input
No sensor connected
0 V … +10 V
+2 V … +10 V
0 mA … +20 mA
+4 mA … +20 mA
-10 V … +10 V
p0756[0] =
0
1
2
3
4
8
AI 1
Unipolar voltage input
Unipolar voltage input monitored
Unipolar current input
Unipolar current input monitored
Bipolar voltage input
No sensor connected
0 V … +10 V
+2 V … +10 V
0 mA … +20 mA
+4 mA … +20 mA
-10 V … +10 V
p0756[1] =
0
1
2
3
4
8