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1336-MOD-KB050数字量驱动控制器
接线板和连接器（1） 接线板FA-M3的输入/输出模块使用可拆卸的接线板。拆卸接线板时，用螺丝刀松开接线板顶部和底部的安装螺钉，如下图所示。FA030602.VSD图A3.24安装和拆卸接线板（2）连接器连接器用于将I/O模块连接到多个I/O点。兼容连接器类型包括焊接、压接和压力焊接连接器。单独购买适合您应用目的的连接器。接线材料为了确保包含此模块的系统符合CE标记，请使用屏蔽电缆。通过正确接地屏蔽，噪音发射和接收将减少。有关屏蔽电缆的更多信息，请参阅第A3.9.1节“电缆布线注意事项”。（2） 端子螺钉和压接端子I/O模块各有一个M3.5螺钉端子板。接线40针焊接式连接器时的注意事项将信号线连接到A1451JD 40针焊接型连接器时，请注意连接器的方向及其针脚编号。输入连接器的接线（F3XDxx-xx和F3WDxx-xx-模块的输入块）与输出连接器的接线不同（F3YDxx-xxx和F3GDxx-xx模块的输出块）。接线输入/输出模块，以便在必要时进行更换。对电缆进行布线，使其在查看I/O模块显示屏上的I/O状态时不会受到阻碍。电感负载对策如果要将电感负载连接到输入块，请在附近的负载上连接浪涌保护器或二极管，以便模块输入电压不会超过规定的工作电压范围。
泄漏电流注意事项
在某些情况下，双线传感器（接近开关、光电开关等）或带LED指示器的限位开关可能会因泄漏电流而导致输入信号产生故障或照明故障。如果泄漏电流小于为模块指定的“关闭电流”，则没有问题。然而，在泄漏电流可能超过关断电流的情况下，如下图所示添加泄放电阻以降低输入阻抗。将FA-M3连接到输出设备时，请遵守以下注意事项。如果要将电感负载连接到输出块，请在附近的负载上连接浪涌保护器或二极管，以便模块输出端子电压不会超过指定的工作负载电压范围。连接二极管时，将其阴极连接到电源的正极端子上。连接外部电源在具有输出信号的模块中，使用相同的开关连接外部电源和负载电源；同时关闭电源。当外部电源和负载电源分别打开或关闭时，可能会出现非预期输出。当连接白炽灯或产生较大涌入电流的其他负载时，必须特别小心，以防止对输出元件造成致命损坏。抑制浪涌电流的方法示例如下所示。示例z以三分之一额定值的暗电流流入白炽灯
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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