Chapter 10 Ladder Diagram (4) After a contact is inserted, users can click on the toolbar or press Esc on the keyboard. After the contact is double-clicked, users can select a contact type on the drop-down list. 10.2.1.2 Inserting a Coil and Changing a Coil Type (1) Select a line, a contact, a coil, or an applied instruction. After users make sure of the position in which a coil will be inserted, they can click on the toolbar. (2) The mouse cursor appears as a coil when the mouse cursor is near the position in which a coil will be inserted. If the mouse cursor is at the top of a coil or at the top of an applied instruction, a coil will be put above the coil or the applied instruction.
If the mouse cursor is at the bottom of a coil or at the bottom of an applied instruction, a coil will be put under the coil or the applied instruction. If the mouse cursor is near the line in a network, a coil will put above all the output devices in the network. After users click the position in which a coil will be inserted, the system will insert the coil. If users want to insert a coil in a network where there is no output device, the mouse cursor must be near the line selected. 10-9