Spectrum Controls 1734sc-IE2CH - Manual (Page 55)

Chapter 4: IExCH and HART 4-15
User’s Manual Pub. 0300257-01 Rev. A
The following tables describe the possible message responses.
Table 4-20 (Request Data)
Suspend Normal HART acquisitions - Request packet structure
Offset
Field Value Definition
No Request Data
Table 4-21 (Reply Data)
Suspend Normal HART acquisitions - Reply packet structure
Offset Field Value Definition
0 Status (1 byte)
00 = SUCCESS
35 = DR_DEAD
1 Pad 0
4.3.6 Resume HART Communication
Used in conjunction with the HART suspend message, allows the user to resume HART
communication on a channel or channels if HART communication is currently
suspended.
The following table describes the class, service code and instances required to send the
Resume HART Communication message.
Table 4-22 (Resume HART Communication)
Unconnected Message
Field
Value Definition
Message Type “CIP Generic”
Service Code 0x52 Resume HART
Class Name 0x035D HART Object
Instance 0-3
0 = All Channels
1-4 = Single Channel
All channels resume or a single channel
Object Attribute None, leave this field blank
Request Size
0 No Request Data
Reply Size 2 Number of Data bytes returned
The following tables describe the possible message responses.
Table 4-23 (Request Data)
Resume Normal HART acquisitions - Request packet structure
Offset
Field Value Definition
0 No Request Data