Siemens Simotics T-1FW6 Operating Instructions Manual page 48

Description
2.5 Design
Table 2- 7
Name
Type
Response threshold
(nominal response temperature ϑ
Resistance when cold R (20 °C) in the PTC
triplet and in the individual PTC temperature
sensor
Minimum resistance when hot R in the PTC
triplet and in the individual PTC temperature
sensor
Typical characteristic R(ϑ) of a PTC tempera-
ture sensor according to DIN 44081
46
Technical data of the PTC temperature sensors
)
NAT
Description
PTC triplet acc. to DIN 44082
Individual PTC temperature sensor according to
DIN 44081
130 °C ± 5 K
80 °C ± 5 K
See characteristic
at -20 °C < T < ϑ -20 K
NAT
R ≤ 3 x 250 Ω + 1 x 250 Ω
R ≤ 1000 Ω
See characteristic
at T ≤ ϑ – 5 K
NAT
R ≤ 3 x 550 Ω + 1 x 550 Ω
R ≤ 2200 Ω
at T > ϑ + 5 K
NAT
R ≥ 3 x 1330 Ω + 1 x 1330 Ω
R ≥ 5320 Ω
at T > ϑ + 15 K
NAT
R ≥ 3 x 4000 Ω + 1 x 4000 Ω
R ≥ 16000 Ω
1FW6 external rotor built-in torque motors
Operating Instructions, 12/2020, A5E49196960B AB