Hitachi NJI-350B manual Example when using loop symbols, Example when using a processing box

Chapter 7 Programming

In addition, if loop symbols are used, a circuit containing up to 57 contact points and one coil can be entered within seven lines.

However, an OR circuit cannot be input after a loop.

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Figure 7.3 Example when using loop symbols

A processing box can be placed at the coil position. The processing instructions, application instructions, control instructions, transfer instruction and fun instructions can be described in a processing box. A maximum of 19 instructions can be described in one processing box. The processing box is executed when the conditions in the contact section to be connected directly in advance is established. The processing box is not executed if the condition is not established.

See the chapter on the “Instruction Specifications” for details on each instruction.

WR0 = WR0 + WR1 WR1 = WR1 * 3 WR2 = WR2 / 4

WR0 = WX0 AND HFF00

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A maximum of 4 lines can be described

Figure 7.4 Example when using a processing box

Note: For the LADDER EDITOR for Windows, a processing box can be displayed in one contact point width, so a circuit of nine contact points and one processing box can be entered.

For more details, refer to the user's manual for the LADDER EDITOR for Windows.

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