Users manual, Mc100, 2 new calibration value to pump 3 – Watson-Marlow MC100 User Manual
Page 30: Step 2: set 0 in dw10 control, Dw21 control, Dw21 status
Users Manual
MC100
MC100 Users Manual Profibus DP - rev 4
Rev. 4
Page 30 of 40
7.3.2 New calibration value to pump 3:
In the following “Control” means data from the PLC to the MC100 and “Status” means data from
MC100 to the PLC.
A new calibration value (10,034 g) is send for pump 3.
Step 1:
Set pump no. 3 in MC100 Control Word Control
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
0
0
1
1
Step 2:
Set 0 in DW10 Control
15
14
13
12
11
10
9
8
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5
4
3
2
1
0
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
Step 3:
Place calibration value in DW20-21.
First the calibration value has to be converted into an integer as described earlier:
10,034 * 100.000 = 1003400
Then the value is placed in DW20 and DW21 where the LSB is DW20 bit 0 and MSB is DW21 bit 15
DW 20 Control
15
14
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11
10
9
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5
4
3
2
1
0
0
1
0
0
1
1
1
1
1
0
0
0
1
0
0
0
DW21 Control
15
14
13
12
11
10
9
8
7
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5
4
3
2
1
0
0-
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
Step 4:
Set P7 (Bit 14) in DW10 Control
15
14
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11
10
9
8
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4
3
2
1
0
-
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Step 5:
Check P7 (Bit 14) in DW10 Status
15
14
13
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11
10
9
8
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5
4
3
2
1
0
-
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Step 5b:
If requested check the new calibration value for the pump
DW 20 Status
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
0
0
1
1
1
1
1
0
0
0
1
0
0
0
DW21 Status
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0-
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
Step 6:
Clear P7 (Bit 14) in DW10 control
15
14
13
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11
10
9
8
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5
4
3
2
1
0
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Step 7:
Check Clear P7 (Bit 14) in DW10 Status
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0