Chapter 7 Integrated OBs, SFBs and SFCs
CPU ADAM 821x
7-22
ADAM 8000 Manual CPU 821x – Rev 1.1
Page frame communication - Parameter
The delivered handling blocks allow the deployment of communication
processors in the ADAM CPUs from Advantech.
This increases the efficiency markable.
The handling blocks control the complete data transfer between CPU and
the CPs.
Advantages of the handling blocks:
•
you loose only few user application memory space
•
short runtimes of the blocks
The handling blocks don't need:
•
bit memory area
•
time areas
•
counter areas
All handling blocks described in the following use an identical interface to
the user application with this parameters:
SSNR: Interface
number
ANR:
Order
number
ANZW:
Indicator word (double word)
IND:
Indirect fixing of the relative start address of
the data source res. destination
QANF/ZANF:
Relative start address within the type
PAFE: Parameterization
error
BLGR: Block
size
A description of these parameters follows on the next pages.
General
Parameter
description
11
x
21
x
51
x
