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

Page 61

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Publication 1797-6.5.1 - May 2005

Calibrating Your Module 5-5

General MODULE Response Word

Once the I/O module echoes the command and data it will not treat the
continued presence of the same calibration command as a signal to perform
that command again. If the user wants to perform the same calibration again, a
“No Operation” command must be sent from the controller to the module
first.

The following tables show typical command sequences.

Table 5.6 Typical All Channels Calibration Command Sequence

Host Command Sequence

Slave Command Sequence

command

number

MODULE command

MODULE data

command

number

MODULE command

response

MODULE response

data

7 6 5 4 3 2 1 0

7 6 5 4 3 2 1 0

36

calib all chls,

zero min & max

0

0

36

calib all chls,

zero min & max

0

0

36

calib all chls,

min scale

1

0

36

calib all chls,

min scale

1

0

36

calib all chls,

max scale

2

0

36

calib all chls,

max scale

2

0

0

Commands idle

0

0

0

Commands idle

0

0

Table 5.7 Typical Channel by Channel Calibration Command Sequence

Host Command Sequence

Slave Command Sequence

command

number

MODULE command

MODULE data

command

number

MODULE command

response

MODULE response

data

7 6 5 4 3 2 1 0

7 6 5 4 3 2 1 0

4

calib ch0, zero min &

max

0

0

4

calib ch0, zero min &

max

0

0

4

calib chl, zero min &

max

1

0

4

calib chl, zero min &

max

1

0

5

calib ch0, min scale

0

0

5

calib ch0, min scale

0

0

5

calib ch1, min scale

1

0

5

calib ch1, min scale

1

0

6

calib ch0, max scale

0

0

6

calib ch0, max scale

0

0

6

calib ch1, max scale

1

0

6

calib ch1, max scale

1

0

0

Commands idle

0

0

0

Commands idle

0

0

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