Specifications

AS-Interface slaves
Motor starters for operation in the field, high degree of protection
SIRIUS MCU motor starters
General data
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Siemens IK PI · 2012
6
■ Overview (continued)
✓ Function is available
-- Function not available.
3RK43 20-3.R51-.BA0 3RK43 20-3.Q54-.BA. 3RK43 20-5.Q64-.BA.
Type SIRIUS MCU motor starters for AS-Interface
Plastic enclosures Metal enclosures Metal enclosures
Electromechanical
Switching
Electromechanical
Switching
Electronic
Switching
Device functions (software features)
Slave on the bus
Fieldbus
✓ AS-i
Bus connection
✓ M12
Slave type
✓ AS-i Spec 2.0 ✓ A/B acc. to Spec 2.1
AS-i Slave Profile IO.ID.ID2
✓ 3.0.F ✓ 7.A.E
Number of assigned
AS-i addresses on the bus
✓ 1
Number of stations
✓ Maximum 31 devices ✓ Maximum 62 devices
Diagnostics
LEDs
✓
Process image
Process image
✓ 2I/2O ✓ 4I/3O
Data channels
Manual local operation
--
✓
Inputs
Number
✓ 1 ✓ 2
• of these in the process image
✓ DI1 ✓ DI2 / DI3
Connection
✓ Screw terminal, internal ✓ M12 – A coded
Input signal
✓ Switching contact
or 2-wire Bero
✓ Switching contact or
2/3-wire Bero
Input level
✓ AS-i +
Outputs
Number
✓ 1 on the direct-on-line starter
0 on the reversing starter
✓ 1
• of these in the process image
✓ DO1 ✓ DO2
Connection
✓ Screw terminal, internal ✓ M12 – A coded
Output level
✓ Relay contact, floating ✓ AUX-PWR+ (24 V DC)
Motor protection
Overload protection
✓ Thermal
overload releases
✓ Electronic
overload releases
Wide range
Short-circuit protection
✓
Auto-RESET
--
✓
Temperature sensor -- ✓ TC (Thermoclick)
Device functions
Response when
repair switch is tripped
✓ Signal through AS-i
Plug monitoring
-- Possible (with plug option)
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© Siemens AG 2011