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DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input
  • DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input
  • DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input
  • DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input
  • DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input

DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input

Place of Origin UK / EU
Brand Name Emerson
Certification COO & COC
Model Number DST1405
Product Details
Trade Terms::
EXW, DAP, FOB, CIF
Shipping Weight:
8KG
Packing Size:
340 × 280 × 230 Mm
Shipping:
DHL (default) / FedEx / UPS / TNT / Air / Sea
Customer Courier A/C:
Yes – DHL/FedEx/UPS Account Accepted
Express Delivery:
DHL, FedEx, UPS
Highlight: 

Emerson Digitax ST servo amplifier

,

three-phase 380–480 V servo amplifier

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Emerson AC servo amplifier spare part

Payment & Shipping Terms
Minimum Order Quantity
1 pc
Price
$120
Packaging Details
Brand new and original
Delivery Time
3-5 days
Payment Terms
T/T,paypal,alipay
Supply Ability
99+
Product Description

Product pictures

DST1405 Emerson Digitax ST Series AC Servo Amplifier, Three-Phase 380–480 V Input

Product Overview: Emerson DST1405 

Parameter Specification
Manufacturer Emerson 
Order Number DST1405 
Series Digitax ST
Category Single-axis AC servo amplifier

Application & Fault Scenarios

Where It Fits: A servo axis that needs more continuous current than a DST1404 can deliver — web-tension and rewinding drives, heavier indexers, larger packaging or converting axes — normally matched to a Unimotor FM or an equivalent brushless motor. It is also the standard exchange when an installed Digitax ST reaches end of life.
Faults Seen in the Field:
  • Drive refuses to enable, or trips on overcurrent → test motor cable insulation and continuity, reseat the feedback plug, and confirm the stored motor data corresponds to the motor actually fitted.
  • DC-bus overvoltage on stopping → install or upsize the external braking resistor and extend the deceleration ramp.
  • Position overshoot or axis oscillation → rerun auto-tune, then recheck inertia ratio, encoder count direction and gear-ratio settings.
  • Bus master does not detect the drive → verify the correct SM card is fitted, that node address and parity match the master, and that termination is present at both ends.

Related products

DST1401B DST1402
DST1403 DST1404
DST1406 DST1407
DST1408 DST1409
DST1410 DST1411
DST1412 DST1413
DST1414 DST1415
DST1416 DST1417
SP1405E SP1406E
DST1412 DST1413
DST1414 DST1415
DST1416 DST1417
SP1405E SP1406E

FAQ

Q1: What exactly is the DST1405?
A: A Control Techniques Digitax ST single-axis servo amplifier with three-phase 380–480 V input, built-in feedback interfaces and two SM option slots — rated one step above the DST1404.
Q2: Emerson CT or Nidec CT — does it matter?
A: No. It is the same product line under successive brand ownership; order using the exact code on your existing nameplate.
Q3: What motor should I pair it with?
A: A brushless AC servo motor whose rated current suits this amplifier — for example Unimotor FM 142 or 190 frame units, or an equivalent third-party motor with matching feedback.

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