SC104

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The SC104, a part of Pacific Scientific's SC100 Brushless Servo Controllers, is designed with a fiber-reinforced polycarbonate housing and IP54 protection class. It offers a voltage rating of 480 VAC, a maximum rotation speed of 400 rpm, and operating temperatures from -20°C to +80°C.

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Product Description:

Pacific Scientific’s high-quality SC104 controller arrives as part of the SC100 Brushless Servo Controllers series. The number of rings appears as either 6 or 12 which delivers flexible wiring options for diverse installation layouts. Current per ring peaks at 10 A max that supports high-current applications without compromise. The module’s voltage rating stands at 480 VAC to accommodate heavy industrial power systems flawlessly. Dielectric strength reaches 1500 VAC which withstands high-voltage transients that protect internal components.

Insulation resistance by this servo drive measures 1000 MΩ at 500 VDC, preventing leakage currents and ensures signal integrity. Maximum rotation speed caps at 400 rpm which maintains precise motion control under demanding conditions. Protection class rates at IP54 that deflects dust and splash water to enhance reliability. Operating temperature spans -20°C to +80°C which endures extreme ambient environments without thermal stress. The unit’s electrical connection uses 1000 mm AWG 16 PVC leads which provide durable and flexible cabling for straightforward routing. Housing material consists of fiber-reinforced polycarbonate that creates robust enclosure strength for mechanical resilience. Outer diameter remains 104 mm max which fits standard mounting footprints to simplify retrofits.

The component’s hollow shaft diameter measures 50 mm max which accepts a variety of shaft sizes for mechanical compatibility. Additionally, maintenance interval extends to 50 million rotations which reduces downtime and lowers total cost of ownership. Lead exit options include 90° prepared to streamline cable routing in constrained spaces. Power level delivers 20 A continuous and 60 A peak that supplies ample current for dynamic torque demands. The device’s input frequency spans 47 Hz to 63 Hz adapts to global mains variations for universal deployment. Customization code reads as Standard Controller that supports baseline configurations for rapid commissioning. Option code features Tachsyn processor with 0.5 V/Krpm tach gradient, ensuring accurate velocity feedback. Also, the nominal bus voltage stands at 320 VDC to drive high-voltage motor buses with efficiency.

Current Per Ring
10 A max
Dielectric Strength
1500 VAC
Electrical Connection
1000 mm AWG 16 PVC leads
Hollow Shaft Diameter
50 mm max
Housing Material
Fiber-reinforced polycarbonate
Insulation Resistance
1000 MΩ at 500 VDC
Lead Exit Options
90° prepared
Maintenance Interval
50 million rotations
Max Rotation Speed
400 rpm
Number Of Rings
6 or 12
Operating Temperature
-20°C to +80°C
Outer Diameter
104 mm max
Protection Class
IP54
Voltage Rating
480 VAC
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Frequently Asked Questions about SC104:

Q: What is the number of rings available on the SC104 controller?

A: The SC104 model supports either 6 or 12 rings which enable customization of power and signal channels for application-specific cabling needs.

Q: Why does the SC104 use 10 A max current per ring?

A: This maximum current rating of 10A per ring delivers ample power to each channel. It also maintains stable current flow under peak load conditions and prevents thermal overload.

Q: How does a 480 VAC voltage rating benefit the SC104?

A: A 480 VAC rating allows the SC104 to interface directly with standard high-voltage industrial supplies which minimizes the need for step-up transformers and simplifies system design.

Q: What role does dielectric strength specification play in the SC104’s operations?

A: This dielectric strength amount of 1500 VAC provides a safety margin against voltage spikes which protects the insulation system and extends component longevity.

Q: How does insulation resistance at 500 VDC improve the SC104’s reliability?

A: An insulation resistance of 1000 MΩ at 500 VDC prevents leakage currents which preserves signal integrity and reduces the risk of unintended short circuits.


Internal Product Review

  • ‘‘This model SC104 presents a 480 VAC rating that integrates seamlessly with industrial power networks and an IP54 protection class that repels dust and water intrusion. These characteristics underscores dependable performance and extended service life in harsh operating environments, making it a standout choice for precision servo control modules.’’

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