The operating manual gives us things around display, device monitor, link, screen design, and relay. There are lots of explanation like system, simulator, menu, and timer are explained inside the operating manual.
Inside this operating manual the reader can get description like monitor operation method, screen, monitor, output, and sample project data. Here are excerpted from this operating manual:
The Device Monitor has already started. Monitor which has already started. From Task Manager or the like, terminate the hidden Device Monitor and restart it. There are more than 65535 free register Invalid NetWork or Station No. Delete some registered free registration items items. Over registered count. and reregister the desired one. The network input data is not correct. Enter a value which is suitable for the network setting. When the word was specified for the bit, the In Multiples of 16 for Word of Bit Device.
Giving more content, the operating manual gives you information regarding connection, link relay, monitor screen, and operating system.