ABB AC900F学习笔记62：Freelance

      This section provides information on initial mounting and removal of the modules and accessories of an AC 900F controller. These operations must be performed while all components are de-energized。

     本节提供有关模块和AC 900F控制器附件的初始安装和拆除的信息。当所有的模块断电时，必须执行这些操作。

Prior to performing any mounting or demounting operations, switch off the controller and associated devices and secure the equipment against unintentional start-up. 在执行任何安装或卸载操作之前，请关闭控制器和相关设备，并保护设备免受无意启动。

Observe appropriate distances to adjacent devices (see dimensional drawings) to ensure sufficient cooling of the equipment. 观察与相邻设备，保持适当距离（参见尺寸图纸），确保设备散热。

5.1 Mounting to the DIN rail 

安装到DIN导轨上

5.1.1 CPU module

CPU模板

Snap the PM CPU module onto the DIN rail. For this purpose, the module must be placed on top of the rail and pushed downwards until it locks in place

将PM CPU模块扣到DIN导轨上。为此目的，模块必须是放置在导轨顶部并向下推，直到它锁定到位。

To remove the module from the DIN rail, press it down and pull it off the rail.