Siemens SIMOTICS T-1FW68, Руководство по настройке

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Motor components and options
4.1 Motor components
1FW68 radial segment motors
74
Configuration Manual, 08/2021, A5E51132930B AA
Table 4- 1 Technical data of the PTC triplet
Name Description
Type PTC triplet acc. to DIN 44082
Response threshold
(nominal response temperature ϑ
NAT
)
130 ° C ± 5 K
PTC resistance R (20 ° C) at the PTC triplet See characteristic
if -20 ° C < T < ϑ
NAT
-20 K
R ≤ 3 x 250 Ω
R ≤ 750 Ω
Minimum resistance when warm R at the
PTC triplet
See characteristic
if T ≤ ϑ
NAT
– 5 K
R ≤ 3 x 550 Ω
R ≤ 1650 Ω
if T > ϑ
NAT
+ 5 K
R ≥ 3 x 1330 Ω
R ≥ 3990 Ω
if T > ϑ
NAT
+ 15 K
R ≥ 3 x 4000 Ω
R ≥ 12000 Ω
Typical characteristic R( ϑ ) of a PTC
temperature sensor according to DIN 44081