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ANC-120e USB to DH+ PLC Programming Cable

Automation Networks ANC-120e, USB to Allen Bradley Data Highway Plus (DH+) PLC Programming Cable, alternative to the 1784-U2DHP, 1784-PKTX, 1784-KTX, and 1784-PCMK.

The ANC-120e is a low cost, most efficient USB-to-Allen-Bradley Data Highway Plus Programming Cable providing connectivity to most major HMI, SCADA, PLC Programming packages to Devices on Allen-Bradley DH+.

The ANC-120e is a superior alternative to AB’s 1784-U2DHP for communications to legacy PLC-5 and SLC 5/04 on DH+.

For convenience and simplicity of setup, the ANC-120e uses the RSLINX Controllogix Ethernet/IP driver, functioning at 12Mb USB speeds and DH+ communications up to 230.4Kb.

Its offers an auto detect feature with default auto baud rate and auto polarity detection.


Availability: 122 in stock

Thanks Shawn from theautomationblog.com for your 20 minute product review video of the ANC-120e

USB To Data Highway Plus (DHP, DH+) – Using the ANC-120e, a lower cost alternative to the 1784-U2DHP

In today’s episode of The Automation Podcast I take a look at the ANC-120e USB to Data Highway Plus converter from Automation Networks. Now you may be asking yourself why the folks over at Automation Networks would release a USB to DH+ converter when Rockwell already makes the 1784-U2DHP? Well if you haven’t looked lately, that … Continue readingUSB To Data Highway Plus (DHP, DH+) – Using the ANC-120e, a lower cost alternative to the 1784-U2DHP


ANC-120e Allen Bradley Dh+

ANC-120e: USB to Data Highway Plus PLC Programming Cable


The ANC-120e provides communications with all SCADA, HMI, PLC programming packages with direct Ethernet/IP access to the all DH+ nodes, including PLC-5 and SLC 5/04s.   AB Software packages using an Ethernet/IP driver include RSLinx Classic with RSLOGIX 5 / RSLogix 500 / RSView32; RSLINX Enterprise/FactoryTalk; Wonderware DASABCIP IO Server; Citect & Kepware.

Replacement Compatibility

With AB 1784-U2DHP, 1784-KTX, 1784-PKTX, 1784-PCMK, 1770-KF2.

The enhanced ANC-120e gateway converter is useful for PLC programming, accessing and monitoring DH+ network from a computer. It is a direct replacement to the 1784-U2DHP providing superior 12Mg USB speed communications and cost efficiency.

Convenient DH+ Connections

The ANC-120e USB DH+ Cable alternative 1784-U2DHP lets you connect a USB port on your computer to a DH+ network by either wiring directly to the AB blue hose or to the 8-Pin Din connector on any SLC 5/04 or PLC-5 processor.

ANC-120e Highlights:

  •  Performs well with all PLC Programming/HMI/SCADA packages: Including all older versions of RSLINX Classic, latest RSLINX Enterprise with RSLOGIX 5/500, Wonderware DAS & TCP/IO Server, Citect Ethernet/IP, and Kepware Controllogix Ethernet/IP Drivers.
  • Easy setup:  Simple select the  Controllogix Ethernet Driver in your RSLINX driver options.
  • Affordable:  $995 USD List is major price savings to  the 1784-U2DHP.
  • 12Mb USB Full Speed: No RS232 USB conversion bottleneck.
  • 1784-xxxx Compatibility:  Replacement to the 1784-U2DHP, and legacy 1784-PKTx, 1784-KTx, 1784-PCMK cards.
  • DH+ Speeds: 57.6, 115.2 and 230.4 kBaud on communication cable lengths exceeding standard requirements.
  • Auto Detect: Default Auto Baud Rate and Auto Polarity detection – no need for setup, simplifies cabling.
  • Size: USB stick with no requirement for a external power supply.
  • Easy DH+ connection:  2-pin Phoenix Blue Hose connector option or direct 8-pin mini din cable connection to PLC port.
  • 30 day free trial and lifetime replacement warranty if defective.

ANC-120e Technical Specifications

Ports USB Type A port. 1 two-pin DH+ network connector. (No clear shield connection required) 1 power connector.
Ethernet Communication Speeds Full speed Controllogix Ethernet Driver
DH+ Communication Speeds 57.6Kb, 115.2 Kb, 230.4Kb
Enclosure rating Meets IP30 standard
External power supply 5.00 to 6 VDC / 1A.
Maximum average current consumption 175 mA
Isolation voltage 400V (continuous), tested at 2000V for 60 s
Typical Power Consumption 0.5Wt
Maximum Power Consumption 0.85 Wt
Operating Temperature 0 to +85⁰ C
Storage Temperature -20 to +100⁰ C
Humidity 0 to 98%
Dimensions 70mm x 19mm x 12.7mm

ANC-120e Application Notes/Documentation

ANC-120e: USB Ethernet/IP to DH+, Programming Cable Initial Setup Tutorial

ANC-120e USB Ethernet/IP to DH+ Alternative 1784-U2DHP RSLINX Tutorial

Engineering Updates

ANC DH+ Converters are compatible with Windows 7 Operating System and higher. Please refer to the User Manual.  Below is the Windows 10 USB Driver:

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