Flowserve MX HART Field Unit Manual de usuario descargar pdf (Pagina 29)

MX/QX HART Field Unit FCD LMENIM2340-00 – 1/14

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Figure 3.3 – HART Diagnostics Data

3.5.2 Common Commands

Table 3.10 Common Commands

Command Request Data Bytes Response Data Bytes

No. Description Byte Format Description Byte Format Description

33 Read Device

Variables

Unsigned-8

Slot 0: Device Variable Code

Slot 1: Device Variable Code

Slot 2: Device Variable Code

Slot 4: Device Variable Code

2-5

8-11

14-17

20-23

Unsigned-8

Enum

Float

Unsigned-8

Enum

Float

Unsigned-8

Enum

Float

Unsigned-8

Enum

Float

Slot 0: Device Variable Code

Slot 0: Units Code

Slot 0: Device Variable Value

Slot 1: Device Variable Code

Slot 1: Units Code

Slot 1: Device Variable Value

Slot 2: Device Variable Code

Slot 2: Units Code

Slot 2: Device Variable Value

Slot 3: Device Variable Code

Slot 3: Units Code

Slot 3: Device Variable Value

35 Write Primary

Variable Range

Values

1-4

5-8

Unsigned-8

Float

Upper and Lower Range Values Units Code

Upper Range Value

Lower Range Value

0-3

4-7

Float

Primary Variable Loop Current (mA)

Primary Variable % Of Range

36 Set Primary

Variable Upper

Range Value

37 Set Primary

Variable Lower

Range Value

40 Enter/Exit Fixed

Current Mode

0-3 Float Fixed Current Level (units of milliamperes) 0-3 Float Fixed Current Level (units of milliamperes)

41 Perform Self

Test

42 Perform Device

Reset

45 Trim Loop

Current Zero

0-3 Float Externally Measured Loop Current Level

(units of milliamperes)

0-3 Float Actual Measured Loop Current Level (units of

milliamperes)

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 71 72

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Flowserve MX HART Field Unit Manual de usuario Pagina 29

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