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EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs
  • EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs
  • EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs
  • EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs
  • EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs

EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs

Place of Origin UK / EU
Brand Name Emerson
Certification COO & COC
Model Number EC20-2012BTA
Product Details
Customer Courier A/C:
Yes – DHL/FedEx/UPS Account Accepted
Shipping:
DHL (default) / FedEx / UPS / TNT / Air / Sea
Packing Size:
240 × 195 × 150 Mm
Express Delivery:
DHL, FedEx, UPS
Shipping Weight:
1.4KG
Trade Terms::
EXW, DAP, FOB, CIF
Highlight: 

EC20 Programmable Controller Main Unit

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20 Digital Inputs 12 Outputs Controller

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Emerson EC20 Spare Parts

Payment & Shipping Terms
Minimum Order Quantity
1 pc
Price
$100
Packaging Details
Brand new and original
Delivery Time
3-5 days
Payment Terms
T/T,paypal,alipay
Supply Ability
99+
Product Description

Product pictures

EC20-2012BTA Emerson EC20 Programmable Controller Main Unit, 20 Digital Inputs / 12 Digital Outputs

Product Overview: Emerson EC20-2012BTA

Parameter Specification
Manufacturer Emerson 
Order Number EC20-2012BTA
Product Name Main control / CPU unit with integrated digital I/O
Series / Family EC20 programmable controller — main module group

Application & Fault Scenarios

Where It Fits: The controlling core of an EC20-based cabinet where a mid-size machine needs a full set of hardwired I/O on the CPU itself — it runs the ladder program, samples 20 field inputs (proximity sensors, limit switches, buttons, safety contacts) and drives 12 outputs (contactors, valves, indicators), while expansion cards add temperature, analog or fieldbus functions. It is also the standard replacement when an installed main unit fails or a machine is rebuilt.
Faults Seen in the Field:
  • No power-up / no RUN indication → measure the supply at the power terminals, confirm the supply type and polarity match the unit's build, and check supply capacity and any inline fuse or protection element.
  • Program disappears after power-off → confirm the program was committed to non-volatile memory and check the backup battery or capacitor where the design requires one.
  • A specific output channel does not operate → test the output with a meter or lamp, compare the load current with the rated output current, and inspect the terminal for burns or looseness; note that transistor outputs cannot switch AC loads.
  • An input never changes state → verify sensor type, polarity and COM wiring, and compare the signal level with the module's switching thresholds.
  • Expansion card not detected → reseat the module or cable, confirm the slot position matches the configured address, and check the connector for contamination or bent pins.

Related products

EC20-0808ER EC20-0808ET
EC20-1616ER EC20-1616ET
EC20-2416ER EC20-2416ET
EC20-3224ER EC20-3224ET
EC20-4TC EC20-8TC
EC20-4PT EC20-2PT
EC20-4AD EC20-4DA
EC20-8AD EC20-8DA
EC20-2AD EC20-2DA
EC10-1614BRA EC10-3624BRA

FAQ

Q1: What is the Emerson EC20-2012BTA?
A: An EC20 programmable controller main unit with 20 digital inputs and 12 digital outputs, onboard program memory and support for expansion modules, programmed in ladder logic with Controlstar.
Q2: Is it interchangeable with other EC20-2012 or EC10 codes?
A: Not automatically — the suffix defines the output device type and supply/revision build. Send a nameplate photo and we will confirm compatibility before you order.
Q3: Can expansion modules be added?
A: Yes, per the EC20 expansion arrangement, with the module position matching its configured address

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