Adding/Removing Networks
Each POU coded in LD consists of a sequence of networks. A network is defined as a maximal set of interconnected graphic elements. The upper and lower bounds of every network are fixed by two straight lines, while each network is delimited on the left by a grey raised button containing the network number.
On each LD network the right and the left power rail are represented, according to the LD language indication.On the new LD network a horizontal line links the two power rails. It is called the “power link”. On this link, all the LD elements (contacts, coils and blocks) are to be placed.You can perform the following operations on networks:
On each LD network the right and the left power rail are represented, according to the LD language indication.On the new LD network a horizontal line links the two power rails. It is called the “power link”. On this link, all the LD elements (contacts, coils and blocks) are to be placed.You can perform the following operations on networks:- To add a new blank network, click Scheme>Network>New , or press one of the equivalent buttons in the Network toolbar.
- To assign a label to a selected network, give the Scheme>Network>Label. This enables jumping to the labelled network.
- To display a background grid which helps you to align objects, click View>grid.
- To add a comment, click Scheme>Object>New>Comment.