Rockwell Automation RECOMM-PBUS PROFIBUS Communications Module User Manual

Page 81

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Using Explicit Messaging (Parameter Protocol)

7-7

Figure 7.3 – Reading Accel Time 1 (Parameter 140) from the SP600 Drive

(DPI Port 0)

Figure 7.4 – Reading P-DP Addr Actual (Parameter 4) from the

RECOMM-PBUS on an SP600 Drive (DPI Port 5)

Confirms Par. Access Word 2 of the request

Message

1000 hex = Read

N20:10

Command

108C

1

P

ar

. 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 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 (parameter 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 (RECOMM-PBUS)

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 (parameter 4)

1004

0

5

5

1

0

N10:11

0

(DPI Port #)

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