Component Selection; Memory Requirements For Basic Programming - Allen-Bradley SLC 500 BASIC User Manual

Memory Requirements
for BASIC Programming
Spare Allen-Bradley Parts
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Component Selection

After reading this chapter, you should understand the:
• module memory requirements for BASIC programming and be able to select
the memory modules necessary for your application
• concepts of connecting your module to the DH485 network and be able to
select the components necessary for your application
• concepts of connecting a modem to the module and be able to select the
necessary components for your application
The module uses the following types of memory modules during BASIC
programming:
• a 32K byte battery backed RAM of which 24K byte is reserved to store BASIC
programs and protected variables
• an optional 8K or 32K byte memory module to store BASIC programs
Maximum user program storage space is 56K byte. Battery
IMPORTANT
backed RAM provides 24K byte and the optional memory
module provides up to 32K byte.
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Chapter
Publication 1764-UM001A-US-P