Siemens EF 83H Series Manual de usuario descargar pdf (Pagina 78)

Using the COM5434 Configurator

5-14

SIMATIC 505 PROFIBUS-FMS CP User Manual

Defining the Module Local Configuration (continued)

Highest Station Address Use

the drop-down list to select the value that

is equal to or greater than the highest PROFIBUS network station

address in use on your network. This number is used by the COM5434

Configurator to calculate the token rotation time for your network. Y

may need to adjust this number when you add or subtract stations from

your network. V

alid HSA values are 15, 31, 63, and 126.

NOTE:

If the number configured is higher than the real highest station

address, you may experience a small loss of speed on your network, but the

network will function properly

. If the number configured is lower than the

real highest station address on your network, then any stations above the

highest station address will not be added to the token ring. If you try to add

this station to a network ring with a higher station address than the one

you specified as the HSA, an error will occur and your station will not be

allowed to enter the ring.

Bus Parameter Profile Bus

parameters must match in all the stations on

the network. For most networks, selecting one of the parameter profiles

provided by the COM5434 Configurator will help simplify the process

of configuring the network. The default profile is Standard, but you can

choose Standard-Mixed, FMS-DP Universal, or Custom. Each profile

provides values for the remaining fields on the input pane except for

Baud Rate, # of Masters, and # of Slaves, which you must supply

. If you

want to customize values for any of the other fields, select Custom from

the drop-down list. In general, you can use the following profiles:

•

Standard for 505-to-505 communications

•

Standard-Mixed for 505-to-S7 communications*

•

FMS-DP Universal for 505-to-S5 communications, and if the

network includes DP devices

Baud Rate Use

the drop-down list to select the appropriate baud rate

that the module will use for network communications.

# of Masters (holds token) Enter

the number of masters on the

network. Masters are the devices on the network that take turns

holding the token.

# of Slaves (no token) Enter

the number of slaves on the network.

Slaves are devices that do not hold the token.

*Standard-Mixed

matches the current release of STEP 7; earlier releases of STEP 7 may have

different bus parameters, requiring you to select Custom to match parameters.

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