beautypg.com

Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual

Page 129

background image

Publication 1797-6.5.3 - March 2006

FLEX Ex HART Module Commands B-5

Response Data Bytes

0

CH_NUM

HART channel number

0…7

1

CH_STATUS

Channel status
bit 7 HARD FAULT
bit 6 REBUILDING
bit 5…0 Reserved

0 = No, 1 = yes
0 = No, 1 = yes

2

(1)

COUNT_0

Byte before next item

3

SHORT_ADDR_0

Instrument 0 short address

4…8

EXT_ADDR_0

Instrument 0 extended address

9

INST_SCAN_0

Instrument 0 scan status
bit 7 SCAN_ENABLE
bit 6 SEARCHING
bits 5…0 Reserved

0 = No, 1 = yes
0 = No, 1 = yes

10

INST_FAULT_0

Instrument 0 scan faults
bits 7…6 Reserved
bit 5 DISAPPEARED
bit 4 APPEARED
bit 3 MISMATCHED
bits 2…0 Reserved

0 = No, 1 = yes
0 = No, 1 = yes
0 = No, 1 = yes

COUNT_I

Byte before next item

SHORT_ADDR_I

Instrument I short address

EXT_ADDR_I

Instrument I extended address

INST_SCAN_I

Instrument I scan status
bit 7 SCAN_ENABLE
bit 6 SEARCHING
bits 5…0 Reserved

0 = No, 1 = yes
0 = No, 1 = yes

INST_FAULT_I

Instrument I scan faults
bits 7…6 Reserved
bit 5 DISAPPEARED
bit 4 APPEARED
bit 3 MISMATCHED
bits 2…0 Reserved

0 = No, 1 = yes
0 = No, 1 = yes
0 = No, 1 = yes

Command-specific Response Codes

2

Error

Invalid selection

5

Error

Too few data bytes received

16

Error

Access restricted

(1)

Data from byte 2 is present in the reply only if one instrument has been found on the requested channel.

Table B.4 Command 129 Request and Response Data Bytes

Byte

Description

Value

This manual is related to the following products: