X20 system modules • Analog input modules • X20AI8221
286
X20 system User's Manual 3.10
4.3.12 X20AI8221
4.3.12.1 General information
The module is equipped with 8 inputs with 13-bit (including sign) digital converter resolution. It can be used to
capture voltage signals in the range from ±10 V.
•
8 analog inputs ±10 V
•
13-bit digital converter resolution
4.3.12.2 Order data
Model number
Short description
Figure
Analog input modules
X20AI8221
X20 analog input module, 8 inputs, ±10 V, 13-bit converter res-
olution
Required accessories
Bus modules
X20BM11
Bus module, 24 VDC keyed, internal I/O supply continuous
Terminal blocks
X20TB1F
X20 terminal block, 16-pin, 24 VDC keyed
Table 62: X20AI8221 - Order data
4.3.12.3 Technical data
Product ID
X20AI8221
Short description
I/O module
8 analog inputs ±10 V
General information
B&R ID code
0xD82F
Status indicators
I/O function per channel, operating state, module status
Diagnostics
Module run/error
Yes, using status LED and software
Inputs
Yes, using status LED and software
Power consumption
Bus
0.01 W
Internal I/O
1.04 W
1)
Additional power dissipation caused by the actua-
tors (resistive) [W]
-
Electrical isolation
Channel - Bus
Yes
Channel - Channel
No
Certification
CE
Yes
cULus
Yes
ATEX Zone 2
Yes
GL
Yes
GOST-R
Yes
Analog inputs
Input
±10 V
Input type
Differential input
Digital converter resolution
±12-bit
Conversion time
1 ms for all inputs
Output format
Data type
INT
Voltage
0x8001 - 0x7FFF / 1 LSB = 0x0008 = 2.441 mV
Input impedance in signal range
20 MΩ
Input protection
Protection against wiring with supply voltage
Open line detection
Yes, using software
Reverse polarity protection
Yes
Permitted input signal
Max. ±30 V
Output of the digital value during overload
Below lower limit
0x8001
Above upper limit
0x7FFF
Table 63: X20AI8221 - Technical data
Summary of Contents for X20 System
Page 2: ......
