Rockwell-automation 2711 PANELBUILDER SOFTWARE USER MANUAL Uživatelský manuál stáhnout pdf (Strana 98)

100

101

Planning Your Application

Chapter 4

4-23

As you develop your application, the amount of PanelView memory that

the file will require is displayed in the lower left corner of the screen.

You can estimate the size of an application file before you create it, by

calculating the memory requirements of each element. To calculate an

application file’s size:

1. Start with the approximate size of an empty application file:

V1 909 bytes

V2 1001 bytes

V3 967 bytes

V4 959 bytes

V5 962 bytes

2. If the application file will have Information Messages, add: (2 bytes x

Largest Message Number), plus

1 byte per message, plus

1 byte per character in each message.

3. If your application file will have Alarm Messages, add:

(2 bytes x Largest Message Number), plus

1 byte per message, plus

1 byte per character in each message.

If options are defined for each alarm message such as activate audio,

print message, energize relay, add

(1 byte x Largest Message Number with defined flags).

4. If the application file will have Local Messages, add:

(2 bytes x Largest Message Number), plus

1 byte per message, plus

1 byte per character in each message.

5. For application screens, add:

(2 bytes x Largest Screen Number), plus

26 bytes per screen, plus

1 byte for each character in the Screen Name.

6. For each object on each screen, add:

the object’s memory size specified on the next page, plus

1 byte for each character in the Object Name.

7. For the first background object on each screen (excluding Arcs) add 2

bytes.

8. For all text including Background Text object and text associated

with an object on each screen, such as button text, state text, outer

text, and list text, add:

8 bytes for each text element, plus

1 byte for each character.

Estimating PanelView Terminal

Memory Requirements

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 467 468

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