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Ambient operating
temperature (T
)
A
and installation
distance and
position
Depending on the installation position, different ambient
operating temperatures are allowed:
Horizontal Installation Position
Maximum num-
Maximum
ber of fieldbus
fieldbus
channels used
voltage
4
2
4
2
The maximum permissible ambient temperature
values are also valid for a 180° rotated
installation position.
2PAA118721 | Quick Installation Guide LD 810HSE Ex 31
Minimum
distance
32 V DC
0 mm
24 V DC
0 mm
32 V DC
17.5 mm
24 V DC
17.5 mm
Maximum per-
missible ambient
temperature T
A
55 °C
60 °C
65 °C
70 °C
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