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Front connector *Used to connect sensors and actuators simply and conveniently *Allows wiring to be retained when replacing modules *Features coding elements to prevent errors during module replacement Application: The front connector facilitates users in connecting sensors and actuator elements to the signal module. It is inserted into the module and protected by a front cover. When replacing the module, all that needs to be done is to remove the front connector; it doesn’t take long to reconnect the wires. To avoid errors when replacing modules, the connector is encoded as soon as it is inserted for the first time, and it will only be compatible with modules of the same type thereafter. The 20-pin front connector is used for: *Signal modules (except 32-channel modules) *Function modules *312 IFM CPU. The 40-pin front connector is used for: *32-channel signal modules. The 20-pin front connector features: *20 screw terminals for wiring *Cable clamps *A release button to loosen the front connector when replacing modules *Encoder element sockets. The module has two encoder elements with covers; during the first insertion, these covers are permanently fixed to the front connector. The front connector for model 40 includes: *40 screw-type terminals for wiring *Cables *Fastening bolts used to clamp and release the front connector when replacing the module *Encoder element sockets; the module has two encoder elements with cover caps. During the first insertion, the top cover is permanently inserted into the front connector.