When the DPV1PRIORITY parameter is set as “On Demand,” the DPV1 requests are polled only when the
DPV1ONDEMANDSCAN parameter is selected.
When the DPV1PRIORITY parameter is set as “No Poll,” the corresponding DPV1 request is not polled.
7.2.1 Configuring DPV1 read/write messages (Project view)
Prerequisites
DSB block must be configured.
To configure DPV1 read/write messages (Project view)
1
Double-click the DSB block.
The DSB block configuration form appears.
2
Click the
DPV1
tab.
3
Under
Settings
, select the
Number of High Priority Requests (DPV1NUMHIGHPRIREQ)
as required.
This parameter indicates the number of times a high priority request is serviced before servicing a low
priority request.
4
Under
Configuration
, type the total number of DPV1 requests to be configured in the
Number Of
Requests (DPV1NUMPOLL)
box.
The rows are added in the
DPV1 Requests
table.
5
Under the
DPV1 Requests
, configure the following parameters.
a
In the
DPV1 Type (DPV1REQTYPE)
list, select the DPV1 type as “DPV1 Read” or “DPV1 Write” for
each DPV1 request.
b
In the
Scan Priority (DPV1PRIORITY)
list, select the scan priority as “No Poll” or “On Demand” or
Low” or “High” for each DPV1 request based on your requirement.
The
Scan Priority (DPV1PRIORITY)
configuration options are applicable only for the DPV1 read
records.
c
Under the
Scan Options
, select the
Scan On-Demand (DPV1ONDEMANDSCAN)
check box only
when the
DPV1PRIORITY
parameter is set as “On Demand.”
Attention
The
Scan On-Demand (DPV1ONDEMANDSCAN)
check box is available for configuration only in the
Monitoring view.
When the
DPV1ONDEMANDSCAN
check box is selected, the DPV1 requests that are configured as
“Low,” “High,” and “On Demand,” are scanned one time. The
DPV1ONDEMANDSCAN
check box is
cleared after scanning all the DPV1 records.
d
In the
Slot Number (DPV1SLOTNUM)
column, configure slot number based on the PROFIBUS slave
device manual.
e
In the
Index (DPV1INDEX)
box, type the index value for each DPV1 request to be read/written based
on the PROFIBUS slave device manual.
f
In the
Length (DPV1LENGTH)
box, type the number of bytes to be read/written from the configured
the slot and index.
g
In the
Number Of Data Records (DPV1NUMOFDATARECORDS)
box, type the number of data
records as required.
6
Click
OK
.
The number of data records is saved.
7
Double-click the DSB block.
The DSB block configuration form appears.
8
Click the
DPV1
tab.
7 DEVICE SUPPORT BLOCK (DSB)
115
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 ...