SME120/SME125 Sensor Modules External

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  SME120/SME125 Sensor Module External

  The SME120/SME125 Sensor Modules External are encoder evaluation units with degree of protection IP67, especially suitable for use in linear and torque motor applications. They can be installed close to the motor systems and encoders in the machine.

  Sensor Modules External evaluate the encoder signals and motor temperature sensors specifically and convert the information obtained for DRIVE‑CLiQ. The motor temperature signals are safely electrically separated.

  A Hall-effect sensor box can be connected for the SME120 to determine the commutation position of a linear motor.

  Neither motor nor encoder data are saved in the SME120/SME125.

  The SME120 and SME125 can be operated on Control Units with firmware release V2.4 and later.

  The following encoder signals can be evaluated depending on the type of Sensor Module:

  • Incremental encoder sin/cos 1 V_pp
  • Absolute encoder EnDat 2.1
  • SSI absolute encoder ¹⁾ with sin/cos 1 V_pp incremental signals, but without reference signal

  The motor temperature can also be measured using KTY84‑130, Pt1000 or PTC thermistors.

  ¹⁾ For SME125, only SSI encoders with 5 V supply voltage.

  Дизайн

  SME120/SME125 Sensor Modules External feature the following connections and interfaces as standard:

  • 1 encoder connection via circular connector
  • 1 temperature sensor connection via circular connector
  • 1 Hall-effect sensor connection via circular connector (SME120 only)
  • 1 DRIVE‑CLiQ interface with integrated 24 V DC electronics power supply from the Control Unit or Motor Module
  • 1 PE (protective earth) connection

  Технические данные

  		SME120 Sensor Module External 6SL3055-0AA00-5JA3	SME125 Sensor Module External 6SL3055-0AA00-5KA3
  Encoder		Incremental encoder sin/cos 1 Vpp with 5 V power supply	Absolute encoder EnDat 2.1 with 5 V voltage supply Absolute encoder SSI with incremental signals sin/cos 1 Vpp with 5‑V voltage supply
  Signal subdivision (interpolation)		≤16384 × (14 bits)	≤16384 × (14 bits)
  Max. encoder frequency that can be evaluated	kHz	≤500	≤500
  SSI/EnDat 2.1 baud rate	kHz	–	100
  Measuring system interface		12-pin M23 circular connector	17-pin M23 circular connector
  Temperature sensor input		6-pin M17 circular connector	6-pin M17 circular connector
  Hall-effect sensor input		9-pin M23 circular connector	–
  Output		IP67 DRIVE-CLiQ connector	IP67 DRIVE-CLiQ connector
  Current requirement, max. at 24 V DC, without taking encoder into account	A	0.16	0.16
  Current carrying capacity of the encoder supply, for measuring system (at 5 V DC) and, where applicable, including hall effect sensor box	A	0.35	0.35
  Conductor cross-section		Acc. to connector contacts	Acc. to connector contacts
  Protection		Via DRIVE-CLiQ power supply source	Via DRIVE-CLiQ power supply source
  Power loss, max.	W	4.5	4.5
  PE connection		M4 screw/1.8 Nm	M4 screw/1.8 Nm
  Cable length, max.
  To measuring system 1)/temperature sensor	m (ft)	3 (9.84)	3 (9.84)
  To automatic speed control	m (ft)	100 (328)	100 (328)
  Degree of protection		IP67	IP67
  Dimensions
  Width	mm (in)	117.6 (4.63)	117.6 (4.63)
  Height	mm (in)	43.1 (1.70)	43.1 (1.70)
  Depth	mm (in)	127 (5.00)	127 (5.00)
  Weight, approx.	kg (lb)	0.7 (1.54)	0.7 (1.54)
  Certificate of suitability		cULus	cULus

  
  
  

  ¹⁾ The maximum cable length at the encoder system interface depends on the current drawn by the encoder system and the cross-section of the supply conductors in the cable, however, a maximum of 10 m (32.8 ft) (for detailed information, see Manual SINAMICS S120 Control Units).