Rockwell Automation 20-COMM-P Profibus Adapter User Manual

Page 77

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Using Explicit Messaging (Parameter Protocol)

6-7

Reading Parameter 140 [Accel Time 1] from the PowerFlex 70
(DPI Port 0)

Reading Parameter 4 [P-DP Addr Actual] from the 20-COMM-P on a
PowerFlex 70 (DPI Port 5)

Confirms Par. Access Word 2 of the request

Message

1000 hex = Read

N20:10

Command

108C

1

Par

. Access

Wo

rd

SLC Address

Descr

iption

Value (he

x)

N10:12

N20:13

N20:12

N20:11

N10:10

N10:13

Reply

3

2

2

1

4

4

3

DPI Port 0 (DPI Host)

Not Used

Not Used

Confirms Par. Number of the request ("8C")

Transferring 16-bit parameter value ("1")

Not Used
32 hex = 50 dec = 5.0 seconds

8C hex = 140 dec (Pr. 140)

108C

0

0

0

32

0

N10:11

0

(DPI Port #)

Confirms Par. Access Word 2 of the request

Message

1000 hex = Read

N20:10

Command

1004

1

Par

. Access

W

ord

SLC Address

Descr

iption

Value (he

x)

N10:12

N20:13

N20:12

N20:11

N10:10

N10:13

Reply

3

2

2

1

4

4

3

DPI Port 5 (20-COMM-P)

Not Used

Not Used

Confirms Par. Number of the request ("4")

Transferring 16-bit parameter value ("1")

Not Used

1 hex = 1 dec = Station 1

4 hex = 4 dec (Pr. 4)

1004

0

5

5

1

0

N10:11

0

(DPI Port #)

20COMM-UM006A-EN-P.book Page 7 Friday, September 28, 2001 10:43 AM

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