4 - 20 4 - 20MELSEC-A4 SETUP AND PREPARATION BEFORE OPERATION(From the previous page)LatchesPliers 6) Press both ends of the plug coverAfter pressing the center part of the plug cover, press both endsof the plug cover where latches are located.Verify that the latches engage with the plug body.[Correct example]0.2mm or less[Wrong example]7) Check the press-fit condition (viewing from the wiring side).Viewing from the wiring side, check that the plug surface isflash with the plug cover.The difference between the plug cover and the plug surfacemust be 0.2mm or less.Note: The condition where the plug cover is tilted as shown in[Wrong example] or protrudes from the plug surface0.2mm or more is an improper press-fit condition.Press the plug cover securely with pliers until it looks like[Correct example] condition illustrated on the left.[Correct example][Wrong example]LatchesClearanceLatch8) Check the press-fit condition (viewing from the top).Viewing from the top, check that there is no clearance betweenthe plug body and plug cover.Note: Clearance may occur between the plug body and plugcover when the latches do not engage securely as shownin [Wrong example].Press the plug cover firmly with pliers until it looks like[Correct example] condition illustrated on the left.(Wiring completed)
