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Possible config entries of the Applicom driver

In the following you can find the possible config entries for the Applicom driver. The entries have to be defined in the [apc] section.

The table below describes the possible config entries and a short description:

Entries of the config file

Entry

Type

Default

Range

Description

SWStack

string

"N"

"Y"|"N"

Defines whether the Software stack is used by Applicom or not.

MaxGap

unsigned

10

> 0

The maximum difference between two addresses until which the data in polling requests is grouped.  If the address range between 2 addresses that are next to each other is > MaxGap a new group is created. (e.g. configuration of the addresses 1.100, 1.101, 1.102,1.103, 1.115, 1.116 for the Modbus protocol would group the addresses into two cyclic functions. The default value is 10.) This config entry is only applied to input addresses.

MaxGapFactorBit

unsigned

4

-

This entry exists due to the fact that bit holes in normal case might be larger than holes in byte or word addresses.

So if MaxGap is 10 (=Default) and MaxGapFactorBit is 4 (=default) a hole of max. 40 Bits is a allowed when requests are grouped.

TimeOut

unsigned

3

1 - 10

Timeout for alive messages [s]. This timeout should not be lesser than the timeout specified on the Applicom card, otherwise problems with the communication may occur.

aliveTolerance

unsigned

0

-

This entry defines the allowed number of missing responses from the periphery while monitoring alive signs (for example to a Siemens S5).

InitFile

string

""

-

Executable program for initializing the configuration on the Applicom card. Default: the program path is read from the registry. If another executable should be used for the initialization the path has to be set accordingly (e.g. "C:/program files/applicom/applicom 3.7/Pcinit.exe"). If the initialization process should not be executed when the driver starts set this entry to "N". Under Linux the initialization is not executed when the driver starts (default). Chapter Requirements and installation describes how to set the config entry for Linux.

AutoGQ

string

"Y"

"Y"|"N"

Defines whether a general query should be executed when the connection to a device was established successfully.

MaxInternPollTime

unsigned

10

1  - 6553

The maximum poll interval [sec] until which the polling is executed on the Applicom card. If the value configured in the address panel of a data point element is bigger or equal to the set value in the config entry, the driver polls.

MaxPollItem

unsigned

1024

64 - 1000000

Maximum number of poll requests in the queue. If this number is reached further requests are discarded.

MaxDeferredQueueSize

int

64

1 - 64

This entry avoids connection losses for S5 PLCs. The default is 64, which is the maximum possible for an Applicom card. With this config entry the default value can be reduced.

RawMode

string

"Y"

"Y"|"N"

Defines whether the driver gets the data from a S7 PLC in type independent mode or not. I.e. with the Applicom driver in WinCC OA you can get data from a specific range in a S7 which do not have the same type (e.g. an a address range contains data of type bit, float, word, ...).

pollUncond

string

"N"

"Y"|"N"

At card polling it might happen that the driver do not get values when the coming values coincidentally correspond to the value in the DB on the Applicom card. Via the config entry pollUncond = "Y" all data and not only changes are forwarded. Default is "Y". Important is, that the low-level comparison is activated in this context, because otherwise every new value, if changed or not, is routed to the Event Manager.

reduPostfix

string

""

-

Postfix for the device data points at a redundant driver. Has to be set to "_2" for a redundant driver.

MaxSpontDBWord

unsigned

0

0  -  24999

With this config entry you can reserve memory of type word for spontaneous data.

MaxSpontDBWord = 100 means, that the addresses 0  -  99 are reserved for spontaneous data.

MaxSpontDBByte

unsigned

0

0  -  13488

With this config entry you can reserve memory of type byte for spontaneous data. Card polling begins above this range.

MaxSpontDBBit

unsigned

0

0  -  32765

With this config entry you can reserve memory of type bit for spontaneous data. Card polling begins above this range.

WriteInSlaveMode

string

"No"

"Yes"|"No"

With this entry you turn on the communication (especially writing) to a Modbus slave equipment (see also Specific features with the communication).

 

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