Spectrum-controls 1734sc-OE2CIH Manual de usuario Pagina 52

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4-16 Chapter 4: OE2CIH and HART
User’s Manual Pub. 0300272-01 Rev. A.0
HART Object
CIP HART services will use a subset of the HART Object used in the modules.
Table 4-10 General CIP Message Format:
Unconnected Message Header
Field
Value
Definition
Message Type
CIP Generic
Service Code
XX–Specifies Command
Specifies Command
Class Name
35D
HART Object
Instance Name
0 or 1 to n where n <= number of channels
(that is first channel number=0, instance=1)
Selects channel or
all
0=All Channels
1 to 2=Chan 0 to 1
Object Attribute
None, leave this field blank
Table 4-11 1734sc-OE2CIH HART Object Services Summary:
Service:
Function:
0×4B
Read Dynamic Variables
0×4C
Read Additional Device Status (Instance: 0=All, 1 to 2=channel 0 to 1)
0×4D
Ladder Get HART Device Information
0×4E
Ladder Pass through Command Request (EZ-HART) [1 QUEUE DEEP]
0×4F
Ladder Pass through Status Query (EZ-HART)
50
Flush Ladder Queue
51
Suspend Channel(s) Normal HART Acquisitions (Instance: 0=All, 1 to 2=channel 0 to 1)
52
Resume Channels(s) Normal HART Acquisitions (Instance: 0=All, 1 to 2=channel 0 to 1)
53
Set Pass through Service Rate–Not Implemented
54
Enable Force Command 3 for Hart 67 devices ( 1734-specific )
55
Disable Force Command 3 for Hart 67 devices ( 1734-specific )
56-
59
Reserve for Future Commands
0×5A
Logix Get HART Device Information
0×5B
Logix Pass through Command Request (FULL-HART) [1 QUEUES DEEP]
0×5C
Logix Pass through Status Query (FULL-HART)
0×5D
Flush Logix Queue
0×5E
Connects Get HART Device Information
0×5F
Connects Pass through Command Request (FULL-HART) [1 QUEUES DEEP]
60
Connects Pass through Status Query (FULL-HART)
61
Flush Connects Queue
62
Get Channel(s) Device Status (Instance: 0=All, 1-2=channel 0 to 1)
63
HART Message Debugging (Reserve for possible debugging feature)
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