Spectrum-controls 1734sc-IE2CH Uživatelský manuál stáhnout pdf (Strana 65)

Appendix B: Additional HART Protocol Information B-5

User’s Manual Pub. 0300257-01 Rev. A

Command Data in Command Data in Reply Contained in

Function Byte Data

Type

(1)

Byte Data

Type

(1)

Input

Tag

CIP

MSG

number

48 Read

additional

device

status

Starting in

HART

version 7, the

data

in the command

could be the

same

as in the reply.

0…5

6…7

14…24

Device-specific status

Operational modes

Standardized status 0

Standardized status 1

Analog channel saturated

Standardized status 2

Standardized status 3

Analog channel fixed

(4)

Device-specific status

(5)

(1) (A) = Packed ASCII, (B) = 3-byte integer, (D) = Date, (F) = Floating Point (HART format), (H) = HART flag

(2) Bit 6 = multisensor device. Bit 1 = EEPROM control required. Bit 2 = protocol bridge device.

(3) Truncated after last supported variable.

(4) 24 bits each LSB…MSB refers to A0 #1…24.

(5) Sint []

Table B-4 (Common Practice Commands)

Command

Data in Command

Data in Reply

Contained in

No.

Function Byte Data

Type

(6)

Byte Data

Type

(6)

Input

Tag

CIP

MSG

33 Read

transmitter

variables

None 0

2…5

8…11

14…17

20…23

Transmitter variable code, slot 0

Units code for slot 0

Variable for slot 0

Transmitter variable code, slot 1

Units code for slot 1

Variable for slot 1

Transmitter variable code, slot 2

Units code for slot 2

Variable for slot 2

Transmitter variable code, slot 3

Units code for slot 3

Variable for slot 3

(7)

(F)

34 Write

damping

value

0…3 Damping value

(seconds)

(F) As in command (F)

35 Write range

values

1…4

5…8

Range units code

Upper-range value

Lower-range value

(F)

36 Set upper-

range value

(= push

SPAN

button)

None None

37 Set lower-

range value

(= push

ZERO

button)

38 Reset

‘configurati

changed’

flag

39 EEPROM

control

0 EEPROM control

code(3)

As in command

40 Enter/exit

Fixed

Current

mode

0…3

(1)

Current (mA) (F) As in command

41 Perform

device self-

test

None None

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 83 84

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