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Rockwell Automation 1794-OE8H FLEX I/O HART Analog Modules User Manual User Manual

Page 81

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Publication 1794-UM063A-EN-P - March 2006

Calibrate Your Module 5-13

Table 5.9 1794-OE8H Calibration Command List

Calibration Command (Decimal)
Bits 0…5

Function

0

Reserved

1

Calibration command min scale

2

Calibration command max scale

3

Write measured min scale value (Current, uA)

4

Write measured min scale value (Voltage, uV)

5

Write measured max scale value (Current, uA)

6

Write measured max scale value (Voltage, uV)

7

Reserved

8

Set all calibration values to default

9

Set one specified calibration value to default

10…13

Reserved

(1)

14

Save calibration content to EEPROM

15…63

Reserved

(1)

Used during manufacture of the product. Do not use.

Table 5.10 1794-OE8H Interpretation of Command Data Structure Content During Write Access

Command Byte

Item Byte

Data1 Byte

Data2 Byte

Reserved (Binary)

Command Bits 0…5 (Decimal)

10

(1)

1

Calibration command min scale

Channel-mask

Reserved

(4)

Reserved

(4)

2

Calibration command max scale

3

Write measured min scale value (Current, uA)

Value
low-byte

Value
high-byte

4

Write measured min scale value (Voltage, uV)

5

Write measured max scale value (Current, uA)

6

Write measured max scale value (Voltage, uV)

7

Reserved

(2)

8

Set all calibration values to default

Reserved

(4)

Reserved

(4)

Reserved

(4)

9

Set one specified calibration value to default

Value-identifier (0)

10

Reserved

(3)

Reserved

(3)

Reserved

(3)

Reserved

(3)

11

Reserved

(4)

12

Reserved

(4)

13

Reserved

(4)

14

Save calibration data to EEPROM

Reserved

(4)

Reserved

(4)

Reserved

(4)

15…63 Reserved

(2)

(1)

Always must be 10

bin

.

(2)

Do not use. Designated for future use.

(3)

Reserved. Used during manufacture of the product. Do not use.

(4)

In attempt to write this byte, write 0.

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