X20 system modules • Analog input modules • X20AI8321
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X20 system User's Manual 3.10
4.3.13 X20AI8321
4.3.13.1 General information
The module is equipped with 8 inputs with 12-bit digital converter resolution. It is possible to select between the
two current ranges 0 to 20 mA and 4 to 20 mA.
•
8 analog inputs, 0 to 20 mA or 4 to 20 mA
•
12-bit digital converter resolution
4.3.13.2 Order data
Model number
Short description
Figure
Analog input modules
X20AI8321
X20 analog input module, 8 inputs, 0-20 mA, 12-bit resolution
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 65: X20AI8321 - Order data
4.3.13.3 Technical data
Product ID
X20AI8321
Short description
I/O module
8 analog inputs 0 to 20 mA / 4 to 20 mA
General information
B&R ID code
0xD831
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
1.24 W
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
0 to 20 mA/4 to 20 mA
Input type
Differential input
Digital converter resolution
12-bit
Conversion time
1 ms for all inputs
Output format
Data type
INT
Current
0x0000 - 0x7FFF / 1 LSB = 0x0008 = 4.883 µA
Load
<300 Ω
Input protection
Protection against wiring with supply voltage
Reverse polarity protection
Yes
Permitted input signal
Max. ±50 mA
Output of the digital value during overload
Below lower limit
0x0000
Above upper limit
0x7FFF
Conversion procedure
SAR
Table 66: X20AI8321 - Technical data
Summary of Contents for X20 System
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