Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manual de usuario Pagina 97

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Publication 1794-UM065B-EN-E - September 2010
Configure Module Messaging 85
Get Device Info Block 3 Message
Get Device Information Block 3 Message - Request Packet Structure
Field Value Definition
Message Type "CIP Generic"
Service Type Get Attribute Single Read From Module
Service Code 0x0E
Class Name 0x7D FLEX Module Object
Instance 1…8 (Module next to Adapter = 1) Module Location
Object Attribute 0x89 = Channel 0 (Add 4 for next channel)
0x8D = Channel 1
0x91 = Channel 2
0x95 = Channel 3
0x99 = Channel 4
0x9D = Channel 5
0xA1 = Channel 6
0xA5 = Channel 7
Selects Channel that the
data is from
Reply Size 16 bytes
Request Size 0
Get Device Information Block 3 Message – Reply Packet Structure
Offset
(1)
Field Value Definition
0 Status 00 = SUCCESS
0x86 = Channel is not
HART Enabled
0x87 = No Device Found
Command status
1 Echo of Channel 0…7 Channel
2 pad 0
3 pad 0
4 PVAssignmentCode (1 byte) CMD#50, Byte 0; Set to 0xff
if HART Cmd 50 not
supported by device
5 SVAssignmentCode (1 byte) CMD#50, Byte 1; Set to 0xff
if HART Cmd 50 not
supported by device
6 TVAssignmentCode (1 byte) CMD#50, Byte 2; Set to 0xff
if HART Cmd 50 not
supported by device
7 FVAssignmentCode (1 byte) CMD#50, Byte 3; Set to 0xff
if HART Cmd 50 not
supported by device
8 PVUnits (1 byte) CMD#3, Byte 4; Set to 0 if
device does not return a
value for PV.
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