X20 system modules • Analog input modules • X20AI8221
X20 system User's Manual 3.10
287
Product ID
X20AI8221
Conversion procedure
SAR
Input filter
3rd-order low pass / cutoff frequency 1 kHz
Max. error at 25°C
Gain
0.08%
2)
Offset
0.015%
3)
Max. gain drift
0.006 %/°C
2)
Max. offset drift
0.002 %/°C
3)
Common-mode rejection
DC
70 dB
50 Hz
70 dB
Common-mode range
±12 V
Crosstalk between channels
-70 dB
Non-linearity
<0.025%
3)
Isolation voltage between channel and bus
500 VDC, 1 min
Operating conditions
Mounting orientation
Horizontal
Yes
Vertical
Yes
Installation at elevations above sea level
0 to 2000 m
No limitations
>2000 m
Reduction of ambient temperature by 0.5°C per 100 m
EN 60529 protection
IP20
Environmental conditions
Temperature
Operation
Horizontal installation
-25 to 60°C
Vertical installation
-25 to 50°C
Derating
-
Storage
-40 to 85°C
Transport
-40 to 85°C
Relative humidity
Operation
5 to 95%, non-condensing
Storage
5 to 95%, non-condensing
Transport
5 to 95%, non-condensing
Mechanical characteristics
Note
Order 1x X20TB1F terminal block separately
Order 1x X20BM11 bus module separately
Spacing
12.5
+0.2
mm
Table 63: X20AI8221 - Technical data
1)
To reduce power dissipation, B&R recommends bridging unused inputs on the terminals.
2)
Based on the current measured value.
3)
Based on the 20 V measurement range.
4.3.12.4 LED status indicators
Figure
LED
Color
Status
Description
Off
No power to module
Single flash
UNLINK mode
Double flash
BOOT mode (during firmware update)
1)
Blinking quickly
SYNC mode
Blinking slowly
PREOPERATIONAL mode
Green
On
RUN mode
Off
No power to module or everything OK
S
Red
On
Error or reset status
Off
Indicates one of the following cases:
•
No power to module
•
Open line
Single flash
Input signal overflow or underflow
1 - 8
Green
On
Analog/digital converter running, value OK
Table 64: LED status indicators
1)
Depending on the configuration, a firmware update can take up to several minutes.