Fuji Electric Monitouch S8 series, Руководство по подключению

Страница: 343 / 406

23-8 23. Universal Serial Communication
Read/Write Area
Read/Write Area
Read area
This memory area is necessary to change the screen display status by giving a command from the host. Be sure to set the
$u memory. Address allocation is shown in the table below. For more information, see “Read/Write Area” (page 1-16).
Write area
This memory area is used to store information regarding screen number, overlap display, and entry mode when the screen
display status is changed by a command received from the host. Be sure to set the $u memory.
Address allocation is shown in the table below.
•
n + 0 to n + 2
For details, see “Read/Write Area” (page 1-16).
•
n + 3 (SW0) switch data No. 0
When the switch, for which [Output Action] is set to [Momentary/Momentary W] and [Output Memory] is set in location
from $s0080 to 0095, is pressed, the status and the number of the switch is stored.
For the relationship between the switch output memory and the switch number, see page 23-29.
•
n + 4
System reserved
•
n + 5 (ENT0) entry information 0, n + 6 (ENT1) entry information 1
The same contents as n + 0 and n + 1 of the [Info. Output Memory] that is set in the entry mode are written. Write
operation occurs when the key whose function is set to “Write” is pressed in the entry mode.
When the entry selection has changed, write operation will not occur.
When (n + 5) entry information 0 is read by the host, writing completed bit (bit 15) is reset.
Data is written in the backup (escape) area before it is read. (See page 23-7.)
Address Name Contents
n + 0 RCVDAT Sub command/data
n + 1 SCRN_COM Screen status command
n + 2 SCRN_No External screen command
Address Name Contents
n + 0 CFMDAT Sub command/data
n + 1 SCRN_COM Screen status
n + 2 SCRN_No Displayed screen
n + 3 SW0 No. 0 switch data
n + 4 Reserved
n + 5 ENT0 Entry information 0
n + 6 ENT1 Entry information 1
n + 7 ENT2 Entry information 2
n + 8 GREPNS Global response
n + 9
:
n + 15
Reserved (7 words)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0 0 0 0 0 0 0
n + 3 (SW0)
Switch number Switch status
0: OFF
1: ON