Section 5 Troubleshooting and Maintenance 5-2 Error Messages
5-14
NS Series Programming Manual
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♦
If a screen switching error occurs, the current pop-up screen will automatically close.
♦
The number of communications points (bits and words) is the total number of addresses (in host and
internal memory) set to functional objects in displayed screens, sheets, and pop-up screens and
alarms/events and data logs.
If the same address is used multiple times, that address is counted for each time it is used.
Addresses used in macros, however, are not counted. Addresses allocated in system memory are
not counted either.
Example: To display the following screen data
• Allocate host DM00000 to system memory $SW0. (Zero communications points (words) used.)
• Screen 1: Create 10 bit lamps and set bits $SB0 to $SB9 to each. (10 communications points
(bits) used.)
$W0 used by macro for screen loading. (0 words used.)
Sheet 0 applied. Set pop-up screen 10 to be opened at the same time.
• Sheet 0: Create one ON/OFF Button to which $SB10 is set. (1 bit used.)
$W1, $W2, and $B20 used by touch ON macro for this ON/OFF Button.
(0 bits/words used.)
• Screen 10: Create 10 numeral display and input objects, to which $W10 to $W19 are set.
(10 words used.)
Alarm/event: Set 20 points, $B0 to $B19. (20 bits used.)
• Data log: Standard logging of 10 words, $W100 to $W104. (10 words used.)
A total of 51 communications points (bits and words) are used.
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