Overview
Configured for pulse-duty servo motion control in the Digitax ST platform, the Emerson DST1401 (DST1401 Servo Drive) provides direct electrical execution for position, speed, and torque regulation through three-phase motor control circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DST1401 |
| Brand | Emerson / Control Techniques |
| Origin | United Kingdom |
| Product Type | Servo Drives |
| Series | Digitax ST |
| Drive Frame Size | Frame 1 |
| Input Voltage | 3-phase 380-480 V AC, 50/60 Hz |
| Input Current | Approx. 2.6 A |
| Output Voltage | 3-phase 0-480 V AC |
| Continuous Rated Current | 1.5 A |
| Peak Current | 4.5 A, up to 300% overload capacity |
| Control Modes | Position, Speed, Torque Control |
| Feedback Interface | Encoder feedback support through option modules |
| Communication Options | EtherCAT, PROFIBUS, Ethernet/IP option support |
| Dimensions | Approx. 62 mm x 322 mm x 226 mm |
| Weight | Approx. 2.1 kg |
| Operating Temp | 0 deg C to +50 deg C |
| Power Consumption | Not specified in available documentation |
Industrial Drive Control and Motion Performance
The Emerson DST1401 uses the Digitax ST drive architecture to control servo motor current, velocity, and position loops. The drive processes feedback signals from encoder devices and adjusts output current commands according to configured motion parameters.
Furthermore, the compact Frame 1 design supports side-by-side cabinet installation where control panel space is limited. The unit executes rapid acceleration and deceleration cycles through high peak current capability, which supports pulse-duty motion applications requiring frequent dynamic changes.
The drive supports optional communication modules for integration with industrial control networks. These interfaces allow the DST1401 to exchange motion commands, diagnostic information, and configuration data with compatible automation controllers.
The Digitax ST platform also provides drive monitoring functions, including overcurrent protection, overvoltage protection, motor overload supervision, and thermal protection monitoring.
Frequently Asked Questions
Q: Does the Emerson DST1401 support direct position and speed control functions?
A: Yes. The DST1401 supports position, speed, and torque control modes for servo motion applications.
Q: Can the DST1401 operate with industrial communication networks?
A: Yes. The drive supports optional communication modules, including EtherCAT, PROFIBUS, and Ethernet/IP interfaces, depending on the installed option configuration.
Q: What protection functions are integrated into the DST1401 hardware?
A: The drive provides monitoring functions for overcurrent, overvoltage, motor overload, and thermal conditions.
Field Installation Guidelines
Install the DST1401 inside a suitable electrical cabinet with adequate ventilation clearance around the drive housing. Connect three-phase AC input power according to the specified voltage range and verify protective grounding before energizing the unit.
Use shielded motor and feedback cables where required by the installation environment. Terminate cable shields according to the system grounding design to reduce electrical noise coupling into encoder and control signals.
Separate high-power motor wiring from low-level feedback and communication cables. Confirm encoder wiring polarity, motor phase sequence, and parameter configuration before commissioning the servo axis.
Follow the Digitax ST installation manual for mounting orientation, wiring practices, and firmware compatibility checks when integrating option modules.
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