Link Registers; Index Registers - Delta AH500 Programming Manual

AH 5 00 Pr ogr am m ing Ma n ua l

2.2.17 Link Registers

The link register is mainly used in the PLC Link or the Ether Link. When the data exchange occurs
between the AH500 series programmable logic controllers, the link register can be used as the
buffer. Please refer to chapter 12 in AH500 Operation Manual for more information.
The link registers L0~L65535 add up to 65536 words. Besides, the link register can be used as the
general auxiliary register.

2.2.18 Index Registers

The index register is the 16-bit data register. It is like the general register in that the data can be
read from it and written into it. However, it is mainly used as the index register. The range of index
registers is E0~E13. Please refer to section 4.3 for more information related to the index register.
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