4 fieldbus type address map – IAI America MSCON User Manual

Page 138

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3.4 Fieldbus

Type

Address Map

130

1) Demand command cleared

PLC Output (Address n is the input and output top address for MSCON Gateway Unit.)

(Note) Response command does not return.

Bit

Address

b15 b14 b13 b12 b11 b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

n+2

Demand

Command

[0000h]

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

n+3

Data 0

[0]

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

n+4

Data 1

[0]

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

n+5

Data 2

[0]

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Demand Com

ma

nd Cleared

n+6

Data 3

[0]

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

2) Writing of Target Position

PLC Output (Address n is the input and output top address for MSCON Gateway Unit.)

(Note) If the writing is finished in normal condition, the same content as the demand command

is returned to the response command.

If an error is generated, an error response is returned. [Refer to this Section 15).]



Bit

Address

b15 b14 b13 b12 b11 b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

n+2

Demand

Command

[1000h]

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

0

n+3

Data 0

[Position No.]

128

64

32

16

8

4

2

1

n+4

Data 1

[Target Position

(Lower word)]

n+5

Data 2

[Target Position

(Upper word)]

W

rit

in

g o

f T

ar

ge

t P

os

iti

on

n+6

Data 3

[Axis No.]

4

2

1

1 word=16 bit

1 word=16 bit

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