mitsubishi f / f1 / f2 serial communications procedure for connecting plc to pc requires: f2-20f1...
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MITSUBISHI F / F1 / F2Serial Communications
Procedure for connecting PLC to PC
Requires: F2-20F1 & PCX-KIT1
And MELSEC MEDOC®
Click to Begin Presentation….
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Components Needed:
• Programming Software for PC – – MELSEC MEDOC
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• Insure that MELSEC MEDOC has been installed on your laptop or desktop PC. When started, the initial screen should appear like this:
MEDOC Programming Software
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Components Needed:
• 1) Programming Software:– MELSEC MEDOC
• 2) Interface (I/F) to connect to programming port on F / F1 / F2
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F2-20GF1 I/F
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F2-20GF1 I/F
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F2-20GF1 I/FThis device is obsolete and quite rare.There were at least two other Interface units, either of which would work in place of the F2-20GF1.They are F-LINK and A-LINK. As these are so rare, we will concentrate on the F2-20GF1 for this procedure.
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Components Needed:
• 1) Programming Software:– MELSEC MEDOC
• 2) Interface (I/F) to connect to programming port on F / F1 / F2
•3) Serial Protocol Converter – i.e. PCX-KIT1.
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PCX-KIT1
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PCX-KIT1
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PCX-KIT1This kit from Mitsubishi Tech Support incorporates a connector (adapter) which:
connects to the DB25 connector on top of the F2-20GF1,
Converts the Serial Protocol from RS422 to RS232C,
Provides Power (12VDC) to the Converter,
And, Provides connection (DB9) to your computer.
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PCX-KIT1
• 1) Remove the access cover on your Mitsubishi PLC.
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Mount F2-20GF1
• The F2-20GF1 mounts on the port (also used for hand-held programmer). The two blue connectors fit together, and the two “sliders” on each side of the F2-20GF1 hold the I/F securely to the PLC.
• Note the end of the F2-20GF1 is flush with the end of the PLC (mentioned just as an aid to positioning).
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F2-20GF1 Mounting
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F2-20GF1 Mounting
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F2-20GF1NOTE That the DIP switches are set to 19.2K BAUD. The setting of this DIP switch should agree with the BAUD rate you choose in MEDOC (Transfer) Setup!!!
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Connection…
• 1 Install F2-20GF1 on PLC• 2 Slide “tabs” to secure I/F on PLC• 3 Connect cable to I/F
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What We Have So Far…
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12VDC Power
WAIT TO PLUG IT IN, BUT DON’T FORGET TO…..
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Connection…• 1 Install F2-20GF1 on PLC• 2 Slide “tabs” to secure I/F on PLC• 3 Connect cable to I/F• 4 Plug 12VDC Transformer into
120VAC source.• 5 Insure that connections are secure
on “electronics box” (the actual I/F).• 6 Connect I/F to your PC COM Port.
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Complete the Connection !
• Your installation should like something like this…
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Connect the Power !
• Now is the right time to connect the 12VDC to the I/F…
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F2-20GF1 in Action.
Briefly, all the RED LEDs come on, then after the F2-20GF1 determines which unit to which it is connected, that LED comes on solid. In this case, the F1/F2 LED is lit.
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Putting It All Together…
• You’ve got MEDOC Running on your PC…
• You’ve got the F2-20GF1 and the PCX-KIT1 connected from the PC to the PLC…
• And you’ve remembered to plug in the 12VDC …
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Now the hard part begins!
• We at Lighthouse PLCs, Inc. hope you will benefit from this tutorial/primer.
• Communications with the older Mitsubishi (as well as other brand) PLCs is rapidly becoming a lost art.
• And, relevant manuals and documentation are becoming as rare as the PLCs themselves.
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• Thank You for your patronage!
LIGHTHOUSE PLCs, INC.2549 Rosebay Street
Eugene, Oregon 97402-6148
U.S.A.
P: (541) 463-1496
F: (541) 463-1497
http://www.lighthouseplcs.com
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