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What programming cable do I need for My Mitsubishi PLC?

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Okay - this is tough because it depends on how you are connecting on your PC side and how you are connecting on your PLC side, and new products get added and things change, but here's a general summary.

Generally speaking this can be simplified:

  • If you are on a PLC from the last 5-10 years (it's 2020 now) then mini-USB is probably available on the PLC, if not Ethernet is with the exception of the FX3U and the Alpha.  So this includes FX3S, FX3G, L Series, Q Series and R Series released in the last 10 years
  • If you are working with an FX1S, FX1N, FX2N, FX3x PLC the front port is an 8 pin mini-DIN RS-422 cable and you can use the FX-USB-AW cable
  • If you are working with an older FX PLC with the 25 pin connector, get the SC-09 cable and get a USB to Serial adapter like the Keyspan/Tripplite USA-19HS
  • If you are working on a Q PLC that is slightly older it may have a mini-DIN connector on it, this is a 6 pin mini-DIN and is not the same as the mini-DIN on the FX series, it is RS-232.  For this you need the SC-Q cable with a USB to Serial adapter, or the GT10-RS2TUSB-5S and a mini-USB cable

As an experienced Mitsubishi programmer, I keep 5 cables in my bag and this setup covers me for 99% of what I need:

  1. Classic SC-09 Cable to program either new or old FX series and some old A series PLCs
  2. Keyspan/Tripplite USA-19HS serial to USB converter
  3. Mini-USB Cable with Ferrite core like the MR-J3USBCBL3M or GT09-C30USB-5P
  4. GT10-RS2TUSB-5S converter to connect to old Q series and some HMIs with the round RS232 connector
  5. A good quality Ethernet cable around 10' long.

If I didn't have to worry about the old FX and A series, then the FX-USB-AW would replace cables 1, 2 and 3 in this list!

Below is a table that shows what cable you should need for what PLC.

  Family Model Connection Type PC Side Connection Type PLC Side Cable # Supplier  
  Alpha Alpha2 RS-232 (9 Pin Serial) Front Panel Connection AL-232CAB Mitsubishi  
  FX FX-XXX RS-232 (9 Pin Serial) RS-422 (DB25) SC09 Mitsubishi  
  FX FX1N-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX1N-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX1S-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX1S-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX2NC-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX2NC-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX2N-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX2N-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX3G-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX3G-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX3G-XXX USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  FX FX3S-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX3S-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX3S-XXX USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  FX FX3UC-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX3UC-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX3U-USB-BD USB FX3U-USB-BD MR-J3USBCBL3M Mitsubishi  
  FX FX3U-XXX RS-232 (9 Pin Serial) RS-422 (mini-Din) SC09 Mitsubishi  
  FX FX3U-XXX USB RS-422 (mini-Din) FX-USB-AW Mitsubishi  
  FX FX5U-XXX Ethernet (wired) Ethernet (wired)      
  FX FX5UC-XXX Ethernet (wired) Ethernet (wired)      
  L L02 Ethernet (wired) Ethernet (wired)      
  L L02 USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  L L06 Ethernet (wired) Ethernet (wired)      
  L L06 USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  L L26 Ethernet (wired) Ethernet (wired)      
  L L26 USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q00U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q00U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q00UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q00UJ USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q01 RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q02 RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q02H RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q02U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q02U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q02UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q03U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q03U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q03UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q04U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q04U RS-232 (9 Pin Serial) RS-232 (mini-DIN)      
  QCPU Q04UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q06H RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q06U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q06U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q06UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q0OJ RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q100U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q100U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q100UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q10U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q10U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q10UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q12H RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q12PH RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q13U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q13U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q13UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q20U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q20U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q20UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q25H RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q25PH RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q26U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q26U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q26UDE Ethernet (wired) Ethernet (wired)      
  QCPU Q50U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU Q50U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU Q50UDE Ethernet (wired) Ethernet (wired)      
  QCPU QO1U USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  QCPU QO1U RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  QCPU QO1UDE Ethernet (wired) Ethernet (wired)      
  AnSH AnSH RS232 RS422 SC09 Mitsubishi  
  Qmotion Q172D USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  Qmotion Q172D RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  Qmotion Q170M RS-232 (9 Pin Serial) RS-232 (mini-DIN) SC-Q Mitsubishi  
  Qmotion Q170M USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  Qmotion MRMQ100 Ethernet (wired) Ethernet (wired)      
  Qmotion Q170M Ethernet (wired) Ethernet (wired)      
  RCPU R00CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R00CPU Ethernet (wired) Ethernet (wired)      
  RCPU R01CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R01CPU Ethernet (wired) Ethernet (wired)      
  RCPU R02CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R02CPU Ethernet (wired) Ethernet (wired)      
  RCPU R04CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R04CPU Ethernet (wired) Ethernet (wired)      
  RCPU R08CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R08CPU Ethernet (wired) Ethernet (wired)      
  RCPU R16CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R16CPU Ethernet (wired) Ethernet (wired)      
  RCPU R32CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R32CPU Ethernet (wired) Ethernet (wired)      
  RCPU R120CPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R120CPU Ethernet (wired) Ethernet (wired)      
  RCPU R04ENCPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R04ENCPU Ethernet (wired) Ethernet (wired)      
  RCPU R08ENCPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R08ENCPU Ethernet (wired) Ethernet (wired)      
  RCPU R16ENCPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R16ENCPU Ethernet (wired) Ethernet (wired)      
  RCPU R32ENCPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R32ENCPU Ethernet (wired) Ethernet (wired)      
  RCPU R120ENCPU USB mini-USB-B MR-J3USBCBL3M Mitsubishi  
  RCPU R120ENCPU Ethernet (wired) Ethernet (wired)      
               

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