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Panasonic FP Series PLC Programming Manual - CTi Automation

Panasonic FP Series PLC Programming Manual - CTi Automation

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1.1 Table of Relays, Memory Areas and Constants<br />

Relation of WX, WY, WR and WL to X, Y, R and L<br />

WX, WY WR and WL correspond respectively to groups of 16 external input relay (X)<br />

points, 16 external output relay (Y) points, 16 internal relay (R) points and 16 link relay<br />

(L) points.<br />

Example: Word external input relay (WX)<br />

Each relay is composed of 16 external input relay (X) points as<br />

shown below.<br />

WX0<br />

WX1<br />

...<br />

XFXE XDXCXBXA X9 X8 X7 X6 X5 X4 X3 X2 X1 X0<br />

X1F X1E X1D X12 X11 X10<br />

...<br />

When the state of an external input relay (X) changes, the content<br />

of WX also changes.<br />

<strong>CTi</strong> <strong>Automation</strong> - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net<br />

1-23

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