Channel configuration assembly – Spectrum Controls 1734sc-OE2CIH User Manual

Page 43

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Chapter 4: OE2CIH and HART

4-7

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

Table 4-5 Assembly Object

Class Code:

0×04

OE2CIH
Instances:

#100 = Status Assembly
#101 = Status + Hart Ch 0,1 Assembly
#102 = Output Assembly
#110 = Build number
#225 = Configuration Assembly

Class Attributes:

None

Class Services:

None

Instance Attributes:
Attr

Name (Data Type)

Value

G/S Description

3

Data (STRUCT)

See following tables G/S See following tables

Instance Services:
Code

Service Name

Description

14 0×0E

Get Single

Read the assembly instance.

16 0×10

Set Single

Only for Instances 225 and 102

Channel Configuration Assembly

Table 4-6 Channel Configuration Assembly

Byte

Offset

Type

Name

Description

0×00

INT

Hart Pass-Through Hold Time

This is a module-wide parameter.
Individual channel configuration
follows.

0×02

INT

Padding

For structure alignment

0×04

INT

Config. Bits

(Chan 0)

Configuration bits. See table below.

0×06

INT

Fault Value

(Chan 0)

The value to use when the channel is in a
Fault state.

0×08

INT

Program Value

(Chan 0)

The value to use when the system is in
the Program state.

0×0A

INT

Low Engineering Value

(Chan 0)

Low Engineering units

0×0C

INT

High Engineering Value

(Chan 0)

High Engineering units

0×0E

INT

Low Clamp Value

(Chan 0)

User-defined value representing the
lowest output setting.

0×10

INT

High Clamp Value

(Chan 0)

User-defined value representing the
highest output setting.

0×12

INT

Padding

For structure alignment

0×14 to

0×23

-

Chan 1 Configuration

Same as Chan 0

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