Campbell SDM-CAN Instrukcja Obsługi Pobierz pdf (Strona 67)

Appendix D. Examples of CAN Data Frames and Data Encoding and Decoding

16bit data frame with one 12bit signed integer value LSByte first

Rxed Bit order within bytes 87654321 87654321

Rxed Byte order Byte 1 Byte 2

Values A S A

Bit order within values 4 1 12 5

Value byte order LSNib MSByte

Start bit (parameter 09:) RH ref 16 13 12 9 8 1

Start bit (parameter 09:) LH ref 1 4 5 8 9 16

S = sign bit which is the MSBit of the value, bit 12.

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: 4 Rx, signed int, LSB 1st

9: 13 Start Bit No.

10: 12 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: 4 Rx, signed int, LSB 1st

9: 4 -- Start Bit No.

10: 12 No. of Bits

11: 1 No. of Values

12: 1 Loc [ value_A ]

13: 1.0 Mult

14: 0.0 Offset

D-5

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 75 76

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Campbell SDM-CAN Instrukcja Obsługi Strona 67

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