Rockwell Automation 1797-OE8 FLEX Ex Analog Modules User Manual User Manual

Page 63

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Publication 1797-6.5.1 - May 2005

Calibrating Your Module 5-7

9. Await an echo message from the module announcing that it has

performed Max Scale Calibration.

10. After all channels are calibrated, send a message to the module

instructing it to go to Commands Idle state.

The following table shows the calibration MODULE command definitions.

Table 5.8 MODULE Command Definitions

MODULE Calibration Command

MODULE Calibration Command Data

Command

Meaning

Data (up nibble)

Data (low nibble)

Meaning

channel

command

0

Commands Idle

x

x

command method is idle

1

No Operation

x

x

no operation is required

4

General Calibration by Channel

0-7

0

zero min and max scale coefficients

0-7

1-15

not used

8-15

0-15

not used

5

Min Scale Calibration by

Channel

0-7

0

input = 1mA

0-7

1-15

not used

8-15

0-15

not used

6

Max Scale Calibration by

Channel

0-7

0

input = 21mA

0-7

1-15

not used

8-15

0-15

not used

36

Calibration all Channels

General Calibration all Channels

0

0

zero min scale and max scale coefficients

0

1-15

not used

Min Scale Calibration all

Channels

1

0

input = 1mA

1

1-15

not used

Max Scale Calibration all

Channels

2

0

input = 21mA

2

1-15

not used

3-15

0-15

not used

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