ENGLISH
C
ABINET
C
ONTROLLER
CR0302
PAGE
15
CR0302
Characteristics of the inputs
Analogue inputs
■
Voltage inputs
X2:01...10, A_IN 00...A_IN 07
input voltage
0...10 V or 0...32 V
can be configured as ...
resolution
10 bits
accuracy
± 1% FS
input resistance
78.4 k
Ω
(0...10 V), 46.6 k
Ω
(0...32 V)
input frequency
50 Hz
■
Current inputs, with diagnostic capability
input current
0...20 mA
resolution
10 bits
accuracy
± 1% FS
input resistance
400
Ω
input frequency
50 Hz
At a current of > 23 mA the pair of channels is switched to the voltage input!
■
Voltage inputs, 0...32 V, ratiometric
function
(U
IN
÷ U
B
) x 1000 ‰
value range
0...1000 ‰
■
Binary voltage inputs for positive sensor signals
The analogue inputs A_IN 00...07 are configured / switched in pairs!
The following inputs are combined in pairs: 0+4, 1+5, 2+6, 3+7
Digital inputs
■
Digital inputs for positive sensor signals, with diagnostic capability
X4:01...08, IN 00...IN 07
switch-on level
> 0.6 U
B
can be configured as ...
switch-off level
< 0.3 U
B
input resistance
3.21 k
Ω
input frequency
50 Hz
Digital inputs
■
Digital inputs for positive sensor signals, with diagnostic capability
X4:11...14, IN 08...IN 11
switch-on level
> 0.6 U
B
can be configured as ...
switch-off level
< 0.3 U
B
input resistance
3.16 k
Ω
input frequency
50 Hz
■
Frequency inputs for positive sensor signals, with diagnostic capability
switch-on level
0.4...0.7 U
B
switch-off level
0.2...0.24 U
B
input resistance
3.16 k
Ω
measuring range
0...2 kHz oder 1...30 kHz
Digital inputs
■
Digital inputs for positive sensor signals
X4:15...18, IN 12...IN 15
switch-on level
> 0.6 U
B
can be configured as ...
switch-off level
< 0.3 U
B
input resistance
3.21 k
Ω
input frequency
50 Hz
■
Digital inputs for negative sensor signals
switch-on level
< 0.2 U
B
switch-off level
> 0.5 U
B
input resistance
3.21 k
Ω
input frequency
50 Hz
The digital inputs IN 12...15 are configured / switched in pairs!
The following inputs are combined in pairs: 12+13, 14+15
Test input
During the test mode (e.g. programming) the TEST input must be connected to U
B
RS 232, D-Sub plug, pin 09
(10...32 V DC).
For the "RUN" mode the TEST input must not be connected.
also see wiring, page 5
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen
05.11.2014
We reserve the right to make technical alterations without prior notice.
CR0302 / page 3
