Siemens SED2 Series, Руководство по эксплуатации

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Siemens Building Technologies SED2 variable speed drives CM1U5192en
HVAC Products Programming 01.2002
Example of the display while testing the input signals:
51
92
Z
29
DIN1 = 0
DIN2 = 1
DIN3 = 1
DIN4 = 0
DIN5 = 1
DIN6 = 1
AIN1 = 0
AIN2 = 1
6.3.2 Analog inputs
The analog inputs are used to send positioning, control, and feedback signals to the
VSD and convert them to digital signals via A/D converters.
1
2
3
10
11
AIN1+
4
Minimum
4.7k
Ω
Ω Ω
Ω
AIN1-
AIN2+
AIN2-
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92
Z
19
+10 V
0 V
A/D
A/D
The analog inputs AIN1 and AIN2 are specified as follows:
Input level:
0 to 10 V or
0 to 20 mA
Resolution: 10 bit
Read cycle: 10 ms
Set the analog inputs to 0 to 10 V or 0 to 20 mA via the 2 DIP switches on the I/O
module.
Position DIP switch 1 DIP switch 2
ON mA mA
OFF V V
Factory setting for both DIP switches: OFF.
Refer to section 5.1.1.1, Setting the DIP switches on the I/O module.
Setting the DIP switches
on the I/O module