Complete model |
6SL3244-0BB12-1BA1 |
Official description |
SINAMICS G120 CU240E-2 control unit with RS485 communication, USS and Modbus RTU, six digital inputs, two analog inputs, two analog outputs and Safety Integrated STO. |
Product family |
SINAMICS G120 |
Product type |
CU240E-2 control unit |
Core selection point |
CU240E-2 drive control with RS485, USS, Modbus RTU and integrated STO. |
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Complete model
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6SL3244-0BB12-1BA1
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Brand
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Siemens
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Product family
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SINAMICS G120
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Product type
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CU240E-2 control unit
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Communication
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RS485; USS and Modbus RTU
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Operating voltage via power module
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24 V DC
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External supply
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20 to 29 V DC
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Maximum current consumption
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0.50 A
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Power loss
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5.50 W
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Standard digital inputs
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6
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Fail-safe digital input
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1 using two standard DI channels
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Relay outputs
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2 changeover contacts
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Analog or digital inputs
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2 differential inputs
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Analog outputs
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2 non-isolated outputs
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Safety function
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Safety Integrated STO
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Protection rating
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IP20 / UL open type
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Operating temperature
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-10 to +55 deg C
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Storage temperature
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-40 to +70 deg C
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Maximum operating humidity
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95%
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Signal conductor cross-section
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0.05 to 1.50 mm2 (AWG 28 to AWG 16)
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Dimensions
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73 x 199 x 46 mm
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Weight
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0.49 kg
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Standards
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CE, UL, cUL, RCM and SEMI F47
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Drive control
Controls SINAMICS G120 Power Modules in industrial motor applications.
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Control methods
Supports V/f, FCC, V/f ECO, sensorless vector and sensorless torque control.
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Safety
Integrated STO can prevent torque generation when correctly engineered.
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Field communication
RS485 supports USS and Modbus RTU networks.
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Digital inputs
Six standard digital inputs are available.
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Fail-safe input
One F-DI uses two standard digital input channels.
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Outputs
Two relay changeover outputs and two analog outputs.
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Analog inputs
Two differential analog or digital inputs.
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Fieldbus
RS485 interface.
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Protocols
USS and Modbus RTU.
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Signal connection
0.05 to 1.50 mm2 conductor cross-section.
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Power options
24 V DC from the Power Module or 20 to 29 V DC external supply.
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Mounting envelope
Allow for 73 x 199 x 46 mm dimensions.
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Protection
IP20 / UL open type requires installation in a suitable enclosure.
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Temperature
Operate from -10 to +55 deg C and store from -40 to +70 deg C.
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Wiring
Use conductors within 0.05 to 1.50 mm2 and verify RS485 polarity and termination.
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Q1. How can the quoted complete model be verified?
Match 6SL3244-0BB12-1BA1 on the product label, quotation and packaging. Verify the official configuration: RS485, USS or Modbus RTU, STO, six DI, 73 x 199 x 46 mm and 0.49 kg.
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Q2. How can New, Used or Refurbished condition be distinguished?
Request timestamped photos of the RS485 terminal area, control terminals, Power Module connector and housing. Wear, contamination, altered labels or repair marks can indicate prior service.
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Q3. How can supplier legitimacy be checked?
Verify the supplier legal entity, address, traceable quotation, invoice beneficiary and written return terms. Require photographs of the exact 6SL3244-0BB12-1BA1 label instead of a generic product-family image.
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Q4. What should an engineer confirm before purchase?
Confirm 20 to 29 V external supply, I/O counts, RS485 protocol, STO, IP20 and temperature range. Compare every item with the machine design and official data.
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Q5. What evidence should be requested before payment?
Request timestamped evidence showing the full label, RS485 and I/O terminals, Power Module interface, safety markings and packaging. The article number must be readable and consistent across all evidence.
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Q6. Can a similar suffix replace this model?
Not automatically. A suffix can change fieldbus, safety function, I/O set, dimensions and supply method. Approve a substitute only after a line-by-line engineering comparison with 6SL3244-0BB12-1BA1.
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EN
