Characteristics of the BMX P34 xxxxx Processor Memory
Original instructions
About us
Introduction
The following pages present the main characteristics of the BMX P34 ••••• processor memory.
Size of Located Data
The following table shows maximum size of located data according to the type of processor:
Type of Objects
Address
Maximum Size for the BMX P34 1000 Processor
Default Size for the BMX P34 1000 Processor
Maximum Size for the BMX P34 20x0x Processors
Default Size for the BMX P34 20x0x Processors
Internal bits
%Mi
16250
256
32634
512
Input/Output bits
%Ir.m.c
%Qr.m.c
(1)
(1)
(1)
(1)
System bits
%Si
128
128
128
128
Internal words
%MWi
32464
512
32464
1024
Constant words
%KWi
32760
128
32760
256
System words
%SWi
168
168
168
168
(1) Depends on the equipment configuration declared (input/output modules).
Size of unlocated Data
Unlocated data is as follows:
Size of Located and Unlocated Data
The total size of located and unlocated data is limited to:
Size of Located Data in Case of State RAM
The following table shows maximum and default size of located data in case of State RAM configuration according to the type of processor.
Type of Objects
Address
BMX P34 1000 V2.40 Processor
BMX P34 2000, 20102, 2020, 20302 Processors (all V2.40)
Maximum Size
Default Size
Maximum Size
Default Size
output bits and internal bits
%M (0x)
32765
752
65530
1504
input bits and internal bits
%I (1x)
32765
752
65530
1504
input words and internal words
%IW (3x)
32765
256
65530
512
output words and internal words
%MW (4x)
32765
256
65530
512
NOTE: To use State RAM configuration you need Modicon M340 firmware 2.4 or later.
NOTE: When changing the processor type from a BMX P34 2xxx to a BMX P34 1000, remove the unavailable features (DFBs, EFBs...) in the sections and in the data editor too (Purge Unused FB Instances, Purge Unused Types, Purge Unused Private Data Instance if needed). Otherwise the application can't be built.