ABB Advant Controller 450, Руководство по эксплуатации продукта

Страница: 71 / 120

Advant Controller 450 Product Guide
Section 6.10 Read/Write Memory (RAM) Requirements
3BSE 015 953R201 Rev B 6-13
6.10 Read/Write Memory (RAM) Requirements
Read/write memory (RAM) is required for internal use by the Advant Controller 450 system
software and for storage of data and application programs. Use
Table 6-14 for calculating
memory available for application with different system software sets and for an approximation
of the RAM requirements.
Table 6-14. Calculation of RAM requirement
Object type Remark Total
Factor
(kbytes)
RAM req.
AI/AO signals S100 I/O x 0.3
S400 I/O (MP 51 not included) x 0.3
S800 I/O x 0.27
DI/DO signals S100 I/O x 0.26
S400 I/O (MP 51 not included) x 0.26
S800 I/O x 0.14
S800 I/O station No. of S800 I/O stations on AF 100 x 0.4
Calculated signals For presentation and event handling in
AdvaCommand (including signals via
Advant Fieldbus 100) x 0.3
PIDCON Excluding I/O signals x 1.5
PIDCONA Excluding I/O signals x 8.5
MANSTN Excluding I/O signals x 0.8
RATIOSTN Excluding I/O signals x 1.0
GENCON Excluding I/O signals x 0.5
GENBIN Excluding I/O signals x 0.5
GENUSD Excluding I/O signals x 0.5
VALVECON Excluding I/O signals x 0.6
MOTCON Excluding I/O signals x 0.8
GROUP Excluding I/O signals
(1)
1 x 3.0
SEQ Excluding I/O signals x 1.0
DAT No. of DB elements x 0.02
TEXT No. of DB elements x 0.14
Table handling No. of tables
(2)
x 4.9