Siemens SIMOTICS T-1FW6 - Page 81

Motor components and options
4.1 Motor components
1FW6 Built-in torque motors
Configuration Manual, 07/2017, 6SN1197-0AE00-0BP9
79
Table 4- 3 Technical data of the PTC temperature sensors
Name
Description
Type PTC triplet acc. to DIN 44082
Individual PTC temperature sensor according to
DIN 44081
Response threshold
(nominal response temperature ϑ
NAT
)
150 °C ± 5 K
130 °C ± 5 K
80 °C ± 5 K
Resistance when cold R (20 °C) in the PTC
triplet and in the individual PTC temperature
sensor
See characteristic
at -20 °C < T < ϑ
NAT
-20 K
R ≤ 3 x 250 Ω + 1 x 250 Ω
R ≤ 1000 Ω
Minimum resistance when hot R in the PTC
triplet and in the individual PTC temperature
sensor
See characteristic
at T ≤ ϑ
NAT
– 5 K
R ≤ 3 x 550 Ω + 1 x 550 Ω
R ≤ 2200 Ω
at T > ϑ
NAT
+ 5 K
R ≥ 3 x 1330 Ω + 1 x 1330 Ω
R ≥ 5320 Ω
at T > ϑ
NAT
+ 15 K
R ≥ 3 x 4000 Ω + 1 x 4000 Ω
R ≥ 16000 Ω
Typical characteristic R(ϑ) of a PTC tempera-
ture sensor according to DIN 44081