Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Instrukcja Użytkownika Pobierz pdf (Strona 122)

Publication 1794-UM065B-EN-E - September 2010

110 Additional HART Protocol Information

54 Read transmitter

variable information

— Transmitter variable

code

— 0 Transmitter variable

code

—

1…3 Transmitter variable

sensor serial number

4 Transmitter variable

limit units code

5…8 Transmitter variable

upper limit

(F)

9…12 Transmitter variable

lower limit

13…16 Transmitter variable

damping value

(seconds)

17…20 Transmitter variable

minimum span

55 Write transmitter

variable damping

value

0 Transmitter variable

code

— — As in command —

1…4 Transmitter variable

damping value

(seconds)

56 Write transmitter

variable sensor

serial number

0 Transmitter variable

code

— — As in command —

1…3 Transmitter variable

sensor

57 Read unit tag,

descriptor, date

— None — 0…5 As in command (A)

6…17

18…20 (D)

58 Write unit tag,

descriptor, date

0…5 Unit tag (8 characters) (A) — As in command —

6…17 Unit descriptor (16

characters)

18…20 Unit date (D)

59 Write number of

response preambles

0 Number of response

preambles

— — As in command —

60 Read analog output

and percent of range

0 Analog output number

code

— 0 Analog output number

code

—

1 Analog output units

code

2…5 Analog output level

6…9 Analog output percent

of range

Common Practice Commands

Command Data in Command Data in Reply

# Function Byte Data

Type

(5)

Byte Data

Type

(5)

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 163 164

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