Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules - Manual (Page 96)

Publication 1794-UM065B-EN-E - September 2010
84 Configure Module Messaging
Get Device Info Block 2 Message
Get Device Information Block 2 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 0x88 = Channel 0 (Add 4 for next channel)
0x8C = Channel 1
0x90 = Channel 2
0x94 = Channel 3
0x98 = Channel 4
0x9C = Channel 5
0xA0 = Channel 6
0xA4 = Channel 7 Selects Channel that the
data is from
Reply Size 56 bytes
Request Size 0
Get Device Information Block 2 Message – Reply Packet Structure
Offset
(1)
(1) Data in offsets 2…55 will be set to 0 if Status in offset 0 indicates a problem (Status = 0x86 or 0x87).
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 TransferFunction (1 byte) CMD#15, Byte 1
3 WriteProtectCode (1 byte) CMD#15, Byte 15
4…7 MessageSize (4 bytes)
8…39 MessageString (32 bytes unpacked
ASCII) CMD#12, Bytes 0…23
40…43 HARTPVUpperRange (4 bytes - UINT) CMD#15, Bytes 3…6
44…47 HARTPVLowerRange (4 bytes - UINT) CMD#15, Bytes 7…10
48…51 DampingValue (4 bytes - UINT) CMD#15, Bytes 11…14
52…55 FinalAssemblyNumber (4 bytes - UINT) CMD#16, Bytes 0…2
Bytes re-ordered into Intel
Format (LSB 1st) from HART
Format (MSB 1st)