X20 system modules • Analog input modules • X20AI2438
X20 system User's Manual 3.10
195
Product ID
X20AI2438
Short circuit protection
Yes, continuous
Electrical isolation
Sensor supply - Channel
No
Sensor supply - Sensor supply
Yes
Maximum voltage ripple
Up to 100 kHz
≤2.2 mV
Up to 1 MHz
≤22 mV
Higher
≤100 mV
Short circuit current
Typical
<50 mA
Maximum
60 mA
Behavior in the event of short circuit
Current limitation
HART
Transfer rate
1200 bit/s
Operating frequencies
1200 Hz / 2200 Hz
Multi-drop operation
Possible
Yes
Participants
5
Burst operation possible
Yes
Transmission amplitude
Minimum
400 mV
pp
Typical
500 mV
pp
Maximum
600 mV
pp
Receiving amplitude
Minimum
120 mV
pp
Maximum
800 mV
pp
Operating conditions
Mounting orientation
Horizontal
Yes
Vertical
Yes
Installation at altitudes above sea level
0 to 2000 m
No limitations
>2000 m
Reduction of ambient temperature by 0,5°C per 100 m
Protection in accordance with EN 60529
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 X20TB12 terminal block separately
Order 1x X20BM11 bus module separately
Spacing
12.5
+0.2
mm
Table 42: X20AI2438 - Technical data
1)
To reduce power dissipation, B&R recommends leaving unused inputs open.
2)
Sensor supply
3)
Based on the current measurement value
4)
Based on the 25 mA measurement range.
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