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9.1 PIOMB block overview
The PIOMB function block represents a physical I/O PROFIBUS device. It provides the user-visible interface
between the control strategies and the process data on a device. The PIOMB also performs the scaling of the
raw process data from the device. The PIOMB is used to encapsulate the data from a PDC of a DSB. Control
data that flows in and out of the C300 Controller passes through the PIOMB to and from the PROFIBUS I/O
channel blocks. Note that process data is not available for the control strategies from the PIOMB directly. It is
made available to the PROFIBUS I/O channel blocks that are assigned to the PIOMB. For more information on
the PROFIBUS I/O channel blocks, see “PROFIBUS I/O channel blocks” on page 213.
In addition to the channel process values, the PIOMB FB also receives and provides the process data status that
reflects the health of the slave device as well as the connection between the PGM and the C300. The PIOMB
does not support any command or configuration parameters for directly controlling a device. The DSB is the
means by which to access device specific data including the diagnostics information.
The PIOMB function blocks are located in the PGM_IF library in the Control Builder. These blocks can be
dragged and dropped into the CEE in the C300. The only configuration required by the user is associating the
PIOMB block with a PDC of a DSB contained within a PGM. Only one PDC can be associated with a given
PIOMB.
The number of PIOMB blocks that can be instantiated or loaded to the C300 is limited by the controller
resources including the total amount of process data provided and consumed by the C300, CEE memory, and
CPU.
Loading a PIOMB FB is identical to loading other function blocks. A PIOMB block can be loaded only when it
is successfully associated with a PDC.
9.1.1 PIOMB block creation
A PIOMB block is created by dragging a PIOMB module template from the Library tab and assigning it to the
CEE of the C300 Controller in the Project view.
You can also create a PIOMB block in the Control Builder from the File menu
(
File
>
New
>
I/O Modules
>
PGM_IF
>
PIOMB - Profibus I/O Module Block
).
9.1.2 PIOMB block deletion
You must inactivate a PIOMB before deleting it from the Monitoring view.
A CEEC300 cannot be deleted from the Project view in Control Builder unless all the contained blocks
including the PIOMB and the Control Modules containing the PROFIBUS I/O channels are deleted. After the
contained blocks are deleted, the communication with the PGM ceases.
9 PROFIBUS I/O MODULE (PIOMB) FUNCTION BLOCK
212
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Содержание Experion PKS
Страница 1: ...Experion PKS PROFIBUS Gateway Module User s Guide EPDOC XX88 en 431E June 2018 Release 431 ...
Страница 8: ...CONTENTS 8 www honeywell com ...
Страница 10: ...1 ABOUT THIS GUIDE 10 www honeywell com ...
Страница 32: ...4 PROFIBUS GATEWAY MODULE PGM INSTALLATION 32 www honeywell com ...
Страница 58: ...5 PROFIBUS GATEWAY MODULE PGM BLOCK 58 www honeywell com ...
Страница 69: ...6 PROTOCOL BLOCK 69 ...
Страница 103: ...5 Click OK 6 PROTOCOL BLOCK 103 ...
Страница 109: ...You can modify the following value from the Protocol Main tab detail display Alarming Enabled 6 PROTOCOL BLOCK 109 ...
Страница 110: ...6 PROTOCOL BLOCK 110 www honeywell com ...
Страница 181: ...7 20 3 Detail display tab Main tab Figure 4 Detail Display of Main tab 7 DEVICE SUPPORT BLOCK DSB 181 ...
Страница 182: ...Slave Status tab Figure 5 Detail Display of Slave Status tab 7 DEVICE SUPPORT BLOCK DSB 182 www honeywell com ...
Страница 183: ...PDC Details tab Figure 6 Detail Display of PDC Details tab 7 DEVICE SUPPORT BLOCK DSB 183 ...
Страница 184: ...DPV1 Details tab Figure 7 Detail Display of DPV1 Details tab 7 DEVICE SUPPORT BLOCK DSB 184 www honeywell com ...
Страница 185: ...Config Details tab Figure 8 Detail Display of Config Details tab 7 DEVICE SUPPORT BLOCK DSB 185 ...
Страница 186: ...7 DEVICE SUPPORT BLOCK DSB 186 www honeywell com ...
Страница 229: ...For a digital channel the detail display appears as follows 9 PROFIBUS I O MODULE PIOMB FUNCTION BLOCK 229 ...
Страница 231: ...9 PROFIBUS I O MODULE PIOMB FUNCTION BLOCK 231 ...
Страница 232: ...9 PROFIBUS I O MODULE PIOMB FUNCTION BLOCK 232 www honeywell com ...
Страница 236: ...10 PROFIBUS GATEWAY MODULE PGM CONFIGURATION EXAMPLE 236 www honeywell com ...
Страница 264: ...13 PROFIBUS GATEWAY MODULE PGM TROUBLESHOOTING 264 www honeywell com ...