Optional I/O extension modules 271
Isolation areas:
Motor thermistor connection (60…61):
• Wire size max. 1.5 mm
2
• Supported standards: DIN 44081 and DIN 44082
• Number of PTC thermistor relays: 1 or 3…6 in series
• Triggering threshold: 3.6 kohm ±10%
• Recovery threshold: 1.6 kohm ±10%
• PTC terminal voltage: <
5.0 V
• PTC terminal current: < 1 mA
• Short-circuit detection: < 50 ohm ±10%
Relay output (62…63):
• Wire size max. 1.5 mm
2
• Maximum contact rating: 250 V AC / 30 V DC / 5 A
• Maximum breaking capacity: 1000 VA
External power supply (40…41):
• Wire size max. 1.5 mm
2
• 24 V AC / V DC ±10% (GND, user potential)
• Maximum current consumption: 25 W, 1.04 A at 24 V DC
Symbol Description
Reinforced insulation (IEC 61800-5-1:2007)
Functional insulation (IEC 61800-5-1:2007)
CMOD-02
PTC
in
RO PTC24 V
in
Plugged to
drive SLOT2
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