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Spectrum Controls 1734sc-OE2CIH User Manual

Page 63

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Chapter 4: OE2CIH and HART

4-27

User’s Manual Pub. 0300272-01 Rev. A.0

Table 4-19 Suspend Normal HART Acquisitions (Service Code = 0×51)

Unconnected Message

Field

Value

Definition

Message Type

CIP Generic

Service Code

0×51

Suspend HART

Class Name

0×035D

HART Object

Instance

0 = All Channels
1 to n = Single Channel(n-1)

All channels
suspended 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

Request Data
Suspend Normal HART acquisitions - Request packet structure
Request Size = 0

Offset

Field

Value

Definition

No Request Data

Reply Data
Suspend Normal HART acquisitions - Reply packet structure
Reply Size = 2 bytes

Offset Field

Value

Definition

0

Status

(1 byte)
00 = SUCCESS
35 = DR_DEAD

1

Pad

0

Table 4-20 Resume Normal HART Acquisitions (Service Code = 0×52)

Unconnected Message

Field

Value

Definition

Message Type

CIP Generic

Service Code

0×52

Resume HART

Class Name

0×035D

HART Object

Instance

0 = All Channels
1 to n = Single Channel (n-1)

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