Rockwell-automation 47C626 AutoMax Programming Executive V4.2 Manual de usuario descargar pdf (Pagina 75)

5Ć41

cannot communicate with older versions of the AutoMax Executive

software. The Version 4 AutoMax Executive software cannot

communicate with racks containing older versions of the AutoMax

OSs. However

, the V

ersion 4 Executive is able to check a rack to

verify that no tasks are running and to erase the old operating

system. This will also cause parameter object files and tasks to be

deleted. You can then load a Version 4 operating system to the rack.

All earlier versions of the operating systems must be replaced by

Version 4 OSs before you can go online or communicate over the

AutoMax

network. When loading

the OS to 6011 Processors, only the

Ethernet OS will be allowed. NOTE: The Version 4 AutoMax OS will

automatically erase any UDC OSs that are incompatible with the

Version 4 AutoMax OS, requiring new UDC OSs to be loaded.

The leftmost AutoMax Processor in the rack will check for

compatibility between the AutoMax OS and the UDC OS. If you

replace a UDC with another UDC that already contains an OS that 's

incompatible,

the new UDC will be disabled and

its OS OK" LED will

turn

off

Precautions in Loading the AutoMax Operating System

Normally, when the operating system is loaded to the AutoMax

Processors in a rack, the AutoMax operating system currently on the

Processors (if any) is written over. However, it is possible that the

operating system in the rack is a later version than the operating

system contained in the Programming Executive software you are

using. In this case, the Programming Executive will be unable to

establish communication with the rack in order to load the new

AutoMax operating system until you erase the existing operating

system. The procedure for erasing the operating system for all of the

AutoMax Processors in a rack is described in section 5.4.5.

The situation described above cannot occur when loading the

operating system to UDC modules since communication is

established

first with the AutoMax Processor in the rack first and then

with the UDC module rather than the UDC module directly. The

existing operating system on a UDC module (if any) will be written

over when you load any UDC operating system to that module.

AutoMax Processor module

s h

e o

nĆboard batter

y b

ackup, s

o y

ou will

need

o r

eĆloa

d t

e A

utoMa

x o

peratin

g s

yste

m o

y w

n e

nhancements

become available, whe

n y

u c

hange th

e p

asswor

d f

or th

e r

k u

sing

the

WOS.EXE

tilit

y d

escribe

d i

n 9

.2.1

, o

r w

n a

n A

utoMa

x P

rocessor

module

n t

e r

k i

s replaced. Not

e c

arefull

y t

hat all tasks in th

e r

ack

will be deleted whe

n y

u l

oad th

e A

utoMax operating system to the

Processor(s

) i

n t

e r

ack. To ensure that the values of any tunable

variables will be maintained in their respective tasks, you should

sav

e a

ll application tasks in th

e r

ack that contain tunable variables

back to th

e p

ersonal computer from th

e r

ack (see 14.4

) a

fter you

have finished tuning variables, and before you load th

e n

operating system.

f y

ou ar

e l

oading a mor

e r

ecent versio

n o

f t

operating system

, y

u m

y n

eed to reĆcompil

e y

our applicatio

n t

asks

using th

e c

orresponding Programmin

g E

xecutiv

e s

oftwar

e b

efore

downloading them to th

e r

ack.

UDC modules use nonĆvolatile Flash memory to store their operating

systems and UDC application tasks, so you will need to reĆload the

UDC operating system only when enhancements become available

or when a UDC module in the rack is replaced. Note carefully that all

tasks in the UDC module will be deleted when you load the UDC

operating system to that particular UDC module.

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