產(chǎn)品內(nèi)容介紹
1336-MOD-KB050數(shù)字量驅(qū)動控制器
接線板和連接器（1） 接線板FA-M3的輸入/輸出模塊使用可拆卸的接線板。拆卸接線板時，用螺絲刀松開接線板頂部和底部的安裝螺釘，如下圖所示。FA030602.VSD圖A3.24安裝和拆卸接線板（2）連接器連接器用于將I/O模塊連接到多個I/O點。兼容連接器類型包括焊接、壓接和壓力焊接連接器。單獨購買適合您應(yīng)用目的的連接器。接線材料為了確保包含此模塊的系統(tǒng)符合CE標記，請使用屏蔽電纜。通過正確接地屏蔽，噪音發(fā)射和接收將減少。有關(guān)屏蔽電纜的更多信息，請參閱第A3.9.1節(jié)“電纜布線注意事項”。（2） 端子螺釘和壓接端子I/O模塊各有一個M3.5螺釘端子板。接線40針焊接式連接器時的注意事項將信號線連接到A1451JD 40針焊接型連接器時，請注意連接器的方向及其針腳編號。輸入連接器的接線（F3XDxx-xx和F3WDxx-xx-模塊的輸入塊）與輸出連接器的接線不同（F3YDxx-xxx和F3GDxx-xx模塊的輸出塊）。接線輸入/輸出模塊，以便在必要時進行更換。對電纜進行布線，使其在查看I/O模塊顯示屏上的I/O狀態(tài)時不會受到阻礙。電感負載對策如果要將電感負載連接到輸入塊，請在附近的負載上連接浪涌保護器或二極管，以便模塊輸入電壓不會超過規(guī)定的工作電壓范圍。
泄漏電流注意事項
在某些情況下，雙線傳感器（接近開關(guān)、光電開關(guān)等）或帶LED指示器的限位開關(guān)可能會因泄漏電流而導(dǎo)致輸入信號產(chǎn)生故障或照明故障。如果泄漏電流小于為模塊指定的“關(guān)閉電流”，則沒有問題。然而，在泄漏電流可能超過關(guān)斷電流的情況下，如下圖所示添加泄放電阻以降低輸入阻抗。將FA-M3連接到輸出設(shè)備時，請遵守以下注意事項。如果要將電感負載連接到輸出塊，請在附近的負載上連接浪涌保護器或二極管，以便模塊輸出端子電壓不會超過指定的工作負載電壓范圍。連接二極管時，將其陰極連接到電源的正極端子上。連接外部電源在具有輸出信號的模塊中，使用相同的開關(guān)連接外部電源和負載電源；同時關(guān)閉電源。當外部電源和負載電源分別打開或關(guān)閉時，可能會出現(xiàn)非預(yù)期輸出。當連接白熾燈或產(chǎn)生較大涌入電流的其他負載時，必須特別小心，以防止對輸出元件造成致命損壞。抑制浪涌電流的方法示例如下所示。示例z以三分之一額定值的暗電流流入白熾燈
Terminal Blocks and Connectors
(1) Terminal Block The input/output modules for the FA-M3 use detachable terminal blocks. When removing the terminal block, loosen the mounting screws located on the top and bottom of the terminal block with a screwdriver as shown in the following figure. FA030602.VSD Figure A3.24 Installing and Removing a Terminal Block (2) Connectors Connectors are used to wire I/O modules to multiple I/O points. Compatible connector types include soldered, crimp-on and pressure-welded connectors. Separately procure connectors that suit your application purpose. Wiring Materials To ensure that a system incorporating this module conforms to the CE Marking, use shielded cables. By properly grounding the shield, noise emission and receipt will be reduced. For more information on shielded cables, see Section A3.9.1 "Cable Routing Considerations". (2) Terminal Screws and Crimp-on Terminals The I/O modules have an M3.5-screw terminal block each.Precautions when Wiring 40-Pin Soldered-type Connectors When wiring signal lines to an A1451JD 40-pin soldered-type connector, be careful about the orientation of the connector and its pin numbering. The wiring of the input connector (for the input block of F3XDxx-xx and F3WDxx-xx modules) differs from the wiring of the output connector (for the output block of F3YDxx-xx and F3WDxx-xx modules).Wiring Wire I/O modules so that they can be replaced if necessary. Route the cables so that they do not get in the way when viewing the I/O status on the display of an I/O module.Inductive Load Countermeasures If an inductive load is to be connected to the input block, connect a surge protector or a diode across the load nearby so that the module input voltage will not exceed the specified operating voltage range.
Leakage Current Considerations
There are cases in which a 2-wire sensor (proximity switch, photoelectric switch, etc.) or a limit switch with an LED indicator may cause faulty input signal generation or illumination due to leakage current. There is no problem if the leakage current is smaller than the “off current” that is specified for the module. In situations in which it is likely that the leakage current exceeds the off current, however, add a bleeder resistance as shown in the figure below to lower the input impedance.Observe the following precautions when connecting the FA-M3 to output devices. If an inductive load is to be connected to the output block, connect a surge protector or a diode across the load nearby so that the module output terminal voltage will not exceed the specified operating load voltage range. When connecting a diode, connect its cathode to the positive terminal of the power supply.Connection of external power supply In the module with the output signal, connect the external power supply and the load power supply with the same switch; turn on-off the power supply at the same time. When the external power supply and the load power supply are turned on or off separately, non-intended output may occur.When connecting an incandescent lamp or other load that generates large inrush current, it is necessary to take special caution to prevent fatal damage to the output elements. Examples of ways to suppress inrush currents are illustrated below. Examples z Flowing dark current at one-third the rated value into the incandescent lamp
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