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Pacific Scientific SC755A040-08 Single axis Digital Brushless Servo Controller
| Brand: Pacific Scientific |
| Item NO: SC755A040-08 |
| Effect: Receive upper level pulses, analog signals, or communication commands |
| Condition: In stock, brand new/Used |
| Warranty: 365 days |
| Payment:T/T 50% deposit, 50% balance |
| www.szcxdcs.com |
+86 15359298293
Pacific Scientific SC755A040-08 Single axis Digital Brushless Servo Controller
SC755A040-08 is a high-performance single axis servo controller from Pacific Scientific SC750 series. It is a customized version powered by three-phase 230VAC and equipped with a 12 bit rotary transformer RDC feedback decoding unit. SC755A040-08 has built-in ServoBASIC Plus motion control programming language and integrates power drive, three loop operation, IO interaction, and program storage hardware. SC755A040-08 is widely used in high-precision independent motion axis scenarios such as optoelectronic equipment, packaging machinery, textile equipment, automated indexing platforms, and roll correction equipment. 040 represents hardware customization configuration, and 08 is a program/function customization suffix. Compared with the basic SC755A-001-01, it is suitable for three-phase high-voltage input conditions.
————————Shenzhen Changxin Automation Equipment Co Ltd -————————
Products that have been released are welcome for consultation. Due to the wide variety of models, we were unable to upload physical images one by one!

Pacific Scientific SC755A040-08 Single axis Digital Brushless Servo Controller
Core function
- Three axis closed-loop motion control calculation
Independently complete the position, speed, and torque three loop digital closed-loop adjustment, receive upper PLC pulse/communication instructions, output precise driving current control brushless servo motor, achieve precise positioning, uniform speed operation, and constant torque output. - Independent offline motion program execution
Equipped with 24K user program storage space and ServoBASIC Plus programming, it can independently complete automation processes such as indexing, round-trip, synchronization, and intermittent actions without the need for an upper level controller, simplifying the overall control system architecture. - High precision position acquisition of rotary transformer
Built in 12 bit RDC decoding module, reads motor rotation feedback, with a resolution of 1024PPR and an angle accuracy of ± 22 arcminutes. It is suitable for harsh working conditions such as dust, oil pollution, and strong vibration, and has stronger anti-interference ability compared to encoders. - Multi channel universal IO signal interaction
Equipped with 27 bidirectional programmable digital input and output channels, integrated with 8 sets of hardware limit switch channels, docking with external switch signals such as device origin, upper and lower limits, clamping, alarm, start stop, etc., to achieve device safety logic linkage. - Communication docking with the upper system
Reserved dedicated debugging communication interface, which can connect to upper level debugging software to complete program download, parameter tuning, motion curve monitoring, fault diagnosis and traceability, and support linkage and collaborative control with PLC and industrial control computer.

SC755A040-08 Single axis Digital Brushless Servo Controller Parameter Specifications
| Parameter Item | Specification |
|---|---|
| Model | SC755A040-08 |
| Brand | Pacific Scientific (Kollmorgen) |
| Series | SC750 Digital Servo Controller Series |
| Product Type | Single Axis Brushless Servo Amplifier |
| Input Power | 230 VAC 3-phase |
| Continuous Output Current | 30 A |
| Peak Output Current | 60 A |
| Peak Output Power | 18000 W |
| Power Dissipation | Max 300 W |
| Feedback Decoder | 12-bit RDC Resolver to Digital Converter |
| Resolver Resolution | 1024 ppr |
| Position Accuracy | ±22 arcmin |
| Max Motor Speed | 0 ~ 12000 RPM |
| Motion Programming Language | ServoBASIC Plus |
| User Program Memory | 24K storage space |
| Total Digital I/O | 27 bidirectional programmable DI/DO |
| Independent Hardware Limit Inputs | 8 channels |
| Fast Capture Input Response | ≤5 μs |
| Control Loop Mode | Position / Velocity / Torque triple closed-loop |
| Cooling Method | Natural convection with ventilation slots |
| Mount Standard | DIN Eurocard rack mounting |
| Communication Port | Dedicated debug port for program upload/download |
| Built-in Protection | Over-current, over-voltage, under-voltage, over-temperature, resolver loss, position error over-limit |
| Operating Temperature | -20 ℃ ~ +70 ℃ |
| Storage Temperature | -40 ℃ ~ +85 ℃ |
| Dimension (W×H×D) | 54.46 mm × 128.4 mm × 160 mm |
| Net Weight | Approx 0.34 kg |
| Production Status | Discontinued, OEM stop new production |
| Typical Application | Optoelectronic equipment, packaging machine, textile machinery, web guiding, index table automation |
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