User's Manual

Motor components of the built-in motor and options
3.2 Thermal motor protection
Table 3- 2 Technical data for the PTC thermistor triplet (PTC triplet)
Name Description
Type PTC triplet (acc. to DIN 44082- M180)
Response temperature
(rated response temperature ϑ
NAT
)
130 °C ± 5 K
150 °C ± 5 K
PTC resistance (20 °C) at the triplet
from - 20 °C up to ϑ
NAT
- 20K
≤ 3 · 250 Ω (750 Ω), refer to the characteristic
Minimum triplet resistance when hot
at T = ϑ
NAT
– 5 K
at T = ϑ
NAT
+ 5 K
at T = ϑ
NAT
+ 15 K
≤ 3 · 550 Ω (1650 Ω), refer to the characteristic
≥ 3 · 1330 Ω (3990 Ω), refer to the characteristic
≥ 3 · 4000 Ω (12000 Ω), refer to the characteristic
Connection Connect signal cable with connector to SME12x
module.
Application It is mandatory that a PTC triplet is connected in
order to protect the motor
against overtemperature. At the very least, the
Temp-S must be connected with the rated
response temperature of 130°C.
Typical characteristic R(ϑ) of a PTC temperature
sensor
Temp-S comprises 3 PTC temperature sensors
connected in series!
37&
Note
As a result of the additional PTC to monitor the power connection, the values for the PTC
resistance and the minimum resistance change when warm. Factor "4" must be used instead
of factor "3".
1FW6 Built-in torque motors
Configuration Manual, 05/2009, 6SN1197-0AE00-0BP3
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