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ProSoft Technology ILX69-PBM User Manual

Page 72

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Contents

ILX69-PBM ♦ CompactLogix or MicroLogix Platform

User Manual

PROFIBUS Master Communication Module

Page 72 of 124

ProSoft Technology, Inc.

February 4, 2015

abSl_cfg[16]

/ Slave configuration area

This variable is a field of 16 bytes and shows whether or not a certain slave station has been
configured on the network. There is 1 bit for each slave. If set, the slave address has been
configured. The following table shows the bit related to its slave address:

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Offset

24

7

6

5

4

3

2

1

0

25

15

14

13

12

11

10

9

8

26

23

22

21

20

19

18

17

16

39

127

126

125

124

123

122

121

120

If the abSl_cfg bit of the corresponding slave is logically:

'1' - The slave is configured in the master, and serviced in its states.

'0' - The slave is not configured in the master.


abSl_state[16]

/ Slave state information area

This variable is a field of 16 bytes and contains the state of each slave station. There is 1 bit
for each slave. If set, the slave is present on the network. The following table shows the bit
related to its slave station address:

Bit

D7

D6

D5

D4

D3

D2

D1

D0

Offset

40

7

6

5

4

3

2

1

0

41

15

14

13

12

11

10

9

8

42

23

22

21

20

19

18

17

16

55

127

126

125

124

123

122

121

120

If the abSl_state bit of the corresponding slave station is logically:

'1' - The slave and the master are exchanging their I/O data.

'0' - The slave and the master are not exchanging their I/O data.