
Servo Amplifier SD2B plus
The servo amplifier SD2B plus allows sensorless operation of low-voltage asynchronous and synchronous motors with speeds up to 120,000 rpm, as well as control with TTL encoders.
Due to this motors can be operated speed-controlled and torque-controlled even from speed zero. The safety function "Safe Torque Off" (STO) is integrated as standard in the device to allow low-cost realization of the steadily increasing demands towards machine safety.
The NRTL/CSA certified devices are easily integrated into systems for the US market with no additional approvals needed.
Highlights
The Space Marvel
The IP20 housing of SD2B plus convinces with its reduced construction height of only 25 mm. This special compact design allows easy and flexible integration of the device. Besides two TTL encoder inputs and outputs SD2B plus provides five digital inputs and outputs each, analog reference value setting as well as a USB interface for easy parameterization. The serial bus connections CAN and RS232 are integrated as standard and allow realization of all control processes.

The Interfaces of Servo Amplifier SD2B plus
- USB connection, parameterization, diagnosis and operation
- Analog reference interface +/-10 V
- Safety integrated "STO": Restart lock to meet category 4/PL e according to EN ISO 13849-1:2015 and EN 61508:2010 SIL3
- 5 digital inputs and 5 digital outputs
- RS232 / CAN interface
- 2 TTL encoder inputs and outputs
- 2 TTL encoder inputs and outputs / BISS-Renishaw
- Motor connection
- DC supply
- SERVOLINK
Drive Functions and Ssafety Functions
Software for Initial Operation and Parameterization: drivemaster2

The oscilloscope function allows optimization of the axes in the machine via the drive-setup-tool without additional measuring equipment.

The clear design of the software allows intuitive parameterization via graphics and block diagrams. The „Parameter-Wizard“ guides the user step-by-step through the system configuration and allows intuitive setup of the device via help messages and comments.
Technical Specifications of Servo Amplifier SD2B plus
Device type | Rated power1) | Rated current | Peak current/time | Max. output voltage1) | HxWxD (mm) | Weight | Cooling |
---|---|---|---|---|---|---|---|
Device with housing (SD2B plus) - 1 x 24...48 VDC supply voltage | |||||||
0362171DA1x 2) | 740 VA | 13 Arms | 15,8 Arms/10 s | 3 x 33 VAC | 165 x 120 x 25 | 0.55 kg | Air |
Device with housing (SD2B plus) - 1 x 24...80 VDC supply voltage | |||||||
0362171DB1x 2) | 940 VA | 10 Arms | 12 Arms/10 s | 3 x 55 VAC | 165 x 120 x 25 | 0.55 kg | Air |
1) Rated power and max. output voltage for mains voltage/supply voltage (in italic)
2) NRTL/CSA certified
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