Omron V022-E3-1 operation manual 00& Section, Reference Reference

￿￿￿￿￿￿￿￿￿&￿￿￿'￿￿(0￿￿'￿￿(0￿"￿￿&￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿ Section 5-1

Notifying the NT600S Status by Using Allocated Bits and Words ..... PT Status Notify Area (PT to PC)

The PT status notify area (PT to PC) is provided to notify the NT600S status changes to the PC. When any NT600S status has changed, such change is written to this area in the PC, and the PC will read the data from this area to check the NT600S status.

The PT status notify area is configured as three consecutive words as shown be- low.

Word 15	14	13	12	11		10	9	8	7	6	5	4	3	2	1	0	Bit
																	Screen being displayed
m									Screen # (4-digit BCD)
																	Content upgrade
m+1		0					Numeral memory table # (3-digit BCD)										memory table
m+2				PT	status						0			0			PT status

Reference

Reference

The first word (word m) of the PT status notify area must be set with the support ￿tool.

Currently displayed screen (refer to page 162)

The screen number displayed on the NT600S is written to this word.

Simultaneously, the PT status screen switch strobe flag is set to ON (1). After this is notified to the PC, this flag reverts to OFF (0). Checking the status of this flag will provide a simple method of checking if the NT600S display has

￿switched.

Content upgrade memory table (refer to page 189)

The number of the numeral table is written to the word when the numeral memory table contents change due to the touch switch operation on the NT600S.

The contents of the word to which the numeral table has been allocated also change.

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