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Operation—Foundation Fieldbus
46
6.2 Foundation Fieldbus communication
Use the Foundation Fieldbus specification to set up and configure the
si792 transmitter. The communication parameters are listed in the
following sections. The sensor can be calibrated as described in
.
6.2.1
Standard resource block (RB)
The standard resource block describes the transmitter characteristics
(manufacturer, device name, operating status, global status). The
resource block must be in automatic mode for any of the other blocks to
operate. The bus parameters for the standard resource block (RB) are
shown in
Table 14 Bus parameters—resource block (RB)
Parameter
Description
Default
R/W
ST_REV
Static revision
0
R
TAG_DESC
TAG description
‘
R/W
STRATEGY
Strategy
0
R/W
ALERT_KEY
Alert key
0
R/W
MODE_BLK
Target
OOS
(out of service)
R/W
Actual
—
Permitted
OOS, Auto
Normal
Auto
BLOCK_ERR
Block error
R
RS_STATE
Resource state
1
R
TEST_RW
Test
R/W
DD_RESOURCE
DD resource
‘
R
MANUFAC_ID
Manufacturer ID
0x001D6D for Hach
R
DEV_TYPE
Device type
0x0064
R
DEV_REV
Device revision
1
R
DD_REV
DD revision
1
R
Содержание si792 D series
Страница 2: ...2 ...
Страница 6: ...Table of Contents 4 ...
Страница 12: ...Specifications 10 ...
Страница 36: ...Interface and navigation 34 ...
Страница 44: ...Operation si792 x D 4 20 mA HART 42 ...
Страница 66: ...Operation Foundation Fieldbus 64 ...
Страница 72: ...Operation Profibus PA 70 ...
Страница 80: ...Maintenance 78 ...
Страница 86: ...Troubleshooting 84 ...
Страница 88: ...Parts and accessories 86 ...
Страница 93: ...Index 91 Z zero adjustment 72 ...
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