Campbell Hausfeld SDM-CAN User Manual

Page 67

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Appendix D. Examples of Encoding & Decoding

Start bit (parameter 09:) Right Hand reference.

1: SDM-CAN (P118)

1: 0 SDM Address

2: 1 Time-quanta

3: 5 Tseg1

4: 2 Tseg2

5: 1000 ID Bits 0..10

6: 0000 ID Bits 11..23

7: 00 ID Bits 24..28

8: 1 Rx, unsigned int, MSB 1st

9: 1 Start Bit No.

10: 16 No. of Bits

11: 1 No. of Values

12: 1 Loc [ value_A ]

13: 1.0 Mult

14: 0.0 Offset

Start bit (parameter 09:) Left Hand reference.

2: SDM-CAN (P118)

1: 00 SDM Address

2: 1 Time-quanta

3: 5 Tseg1

4: 4 Tseg2

5: 1001 ID Bits 0..10

6: 0000 ID Bits 11..23

7: 00 ID Bits 24..28

8: 1 Rx, unsigned int, MSB 1st

9: 16 -- Start Bit No.

10: 16 No. of Bits

11: 1 No. of Values

12: 1 Loc [ value_A ]

13: 1.0 Mult

14: 0.0 Offset

32bit data frame with two 16bit signed integer values MSByte first

Rxed Bit order within bytes

87654321

87654321

87654321

87654321

Rxed Byte order

Byte 1

Byte 2

Byte 3

Byte 4

Values

S B

S A

Bit order within values

16 9

8 1

16 9

8 1

Value byte order

MSByte

LSByte

MSByte

LSByte

Start bit (parameter 09:) RH ref

32 25

24 17

16 9

8 1

Start bit (parameter 09:) LH ref

1 8

9 16

17 24

25 32

S = sign bit which is the MSBit of the values, bit 16.

D-7

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