Siemens CP 243-2 installation instructions ReadDataandDeltaList, Structure of the Command Buffer

Command Interface

5.2.32Read_Data_and_Delta_List

Purpose

With this call, the AS-i error bits, the input data of the AS-i slaves and the delta list can be read out consistently.

Structure of the Command Buffer

Bank

2

Byte

0

Meaning

Command number: 3D H

Structure of the Response Buffer

Bank

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

2

3

3

3

3

3

3

3

3

3

3

3

3

Byte

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

0

1

2

3

4

5

6

7

8

9

10

11

			Meaning
Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
		Echo of the command number 3D H
			Command status
APF	CER	0	0		Data slave 1
	Data slave 2				Data slave 3
	Data slave 4				Data slave 5
	Data slave 6				Data slave 7
	Data slave 8				Data slave 9
	Data slave 10				Data slave 11
	Data slave 12				Data slave 13
	Data slave 14				Data slave 15
	Data slave 16				Data slave 17
	Data slave 18				Data slave 19
	Data slave 20				Data slave 21
	Data slave 22				Data slave 13
	Data slave 24				Data slave 25
	Data slave 26				Data slave 27
	Data slave 28				Data slave 29
	Data slave 30				Data slave 31
	reserved				Data slave 1B
	Data slave 2B				Data slave 3B
	Data slave 4B				Data slave 5B
	Data slave 6B				Data slave 7B
	Data slave 8B				Data slave 9B
	Data slave 10B				Data slave 11B
	Data slave 12B				Data slave 13B
	Data slave 14B				Data slave15B
	Data slave 16B				Data slave17B
	Data slave 18B				Data slave 19B

5-58	SIMATIC NET CP 243-2 AS-i Master
	C79000-G8976-C142/02