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KROHNE IFC 010 Converter HART User Manual

Page 18

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HARTÆ Communications Protocol

IFC010 Command Specification Rev: 1.0

Release Date: 29 May 1997

© 1997 KROHNE Mefltechnik D-47058 Duisburg

Page

18

3-4

Undefined

5

Too Few Data Bytes Received

6-127

Undefined

8.10

Command #139

Write Analog Output Function

Writes the function of current/pulse output.

REQUEST DATA BYTES

#0

#1

ANALOG

ANALOG

OUTPUT

OUTPUT

NUMBER

FUNCTION

CODE

CODE

RESPONSE DATA BYTES

#0

#1

ANALOG

ANALOG

OUTPUT

OUTPUT

NUMBER

FUNCTION

CODE

CODE

Data Byte #0

Analog Output Number Code, equals м1о for current output and м2о - for pulse output

Data Byte #1

Analog Output Function Code, valid settings:
0 - Off,
1 - 1 Dir, output traces flowrate measurements only in one (forward) direction,
3 - 2 Dir, output traces flowrate measurements in both directions.

NOTE: In the case of incorrect function the request will be rejected with a response code 3, Passed Parameter too Large.

COMMAND-SPECIFIC RESPONSE CODES

0

No Command-Specific Errors

1

Undefined

2

Invalid Selection

3

Passed Parameter too Large

4

Undefined

5

Too Few Data Bytes Received

6

Undefined

7

In Write Protect Mode

8

Update Failure

9-127

Undefined

8.11

Command #142

Read Pulse Output Parameters

Reads adjustment parameters of the pulse output: PulseType, PulseWidth, PulseValue.

REQUEST DATA BYTES

NONE

RESPONSE DATA BYTES

#0

#1

#2

...

#5

PULSE

PULSE

PULSE

PULSE

TYPE

WIDTH

VAL

VAL

MSB

LSB

Data Byte #0

Pulse type, defines how pulses are generated at the output: