X20 system modules • Analog output modules • X20AO2438
X20 system User's Manual 3.10
401
4.4.3 X20AO2438
4.4.3.1 General information
The X20AO2438 module is equipped with two current outputs with 16-bit digital converter resolution. It supports
the HART communication standard for data transfer, parameter configuration and diagnostics.
The two channels are electrically isolated from each other. The user can select between the three output ranges
4 to 20 mA, 0 to 20 mA and 0 to 24 mA.
•
2 analog current outputs
•
HART protocol integration
•
Support for HART variables
•
Electrically isolated analog channels
•
16-bit digital converter resolution
4.4.3.2 Order data
Model number
Short description
Figure
Analog output modules
X20AO2438
X20 analog output module, 2 outputs, 4 to 20 mA / 0 to 20 mA or
0 to 24 mA 16-bit resolution single channel electrically isolated,
supports the HART protocol
Required accessories
Bus modules
X20BM11
Bus module, 24 VDC keyed, internal I/O supply continuous
Terminal blocks
X20TB12
X20 terminal block, 12-pin, 24 VDC keyed
Table 82: X20AO2438 - Order data
4.4.3.3 Technical data
Product ID
X20AO2438
Short description
I/O module
2 analog outputs 4 to 20 mA, 0 to 20 mA or 0 to 24 mA
General information
B&R ID code
0xB3AA
Status indicators
I/O function per channel, operating state, module status, HART
Diagnostics
Module run/error
Yes, using status LED and software
Outputs
Yes, using status LED and software
HART link
Yes, using status LED and software
HART error
Yes, using status LED and software
Power consumption
Bus
0.05 W
I/O internal
1.65 W
Additional power dissipation caused by the actua-
tors (resistive) [W]
-
Electrical isolation
Channel - Bus
Yes
Channel - Channel
Yes
Certification
CE
Yes
cULus
Yes
ATEX Zone 2
Yes
KC
Yes
GOST-R
Yes
Analog outputs
Output
4 to 20 mA, 0 to 20 mA or 0 to 24 mA, configurable using software
Digital converter resolution
16-bit
Settling time for output changes over entire range
2 ms to 20 s, configurable using software
Table 83: X20AO2438 - Technical data
Summary of Contents for X20 System
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