Remote I/O module 16 DI
AL4103
17
3
1
4
2
5
1:
+24 V DC (US)
2:
GND (UA)
3:
GND (US)
4:
+24 V DC (UA)
5:
FE
6.5.1 Derating behaviour
The current I
US
available at ports X1...X8 and the currents I
US-daisy-chain
and I
UA-daisy-chain
available at port
XD2 depend on the ambient temperature of the device.
6.5.1.1 Derating without daisy chain
-40 -30 -20 -10 0 10 20 30 40 50 60 70
1
2
3
4
2000 m
3000 m
4000 m
Current [A]
Temperature [°C]
0.5
1.5
2.5
3.5
1
1: I
US
at ports X1...X8
6.5.1.2 Derating with daisy chain
-40 -30 -20 -10 0 10 20 30 40 50 60 70
1
2
3
4
2000 m
3000 m
4000 m
Current [A]
Temperature [°C]
0.5
1.5
2.5
3.5
1
1: I
US
at ports X1…X8
-40 -30 -20 -10 0 10 20 30 40 50 60 70
2
4
6
8
10
12
14
16
18
2000 m
3000 m
4000 m
Current [A]
Temperature [°C]
2
1
1: I
UA-daisy-chain
at port XD2
2: I
US-daisy-chain
at port XD2
Example: derating (2000 m)
Temperature
I
UA-daisy-chain
(XD2)
I
USmax
(XD1)
I
US
(X1…X8)
I
US-daisy-chain
(XD2)
30 °C
16 A
15.9 A
3.9 A
12 A
30 °C
0 A
15.9 A
30 °C
1.8 A
14.1 A
60 °C
8 A
8 A
2 A
6 A
