Kramer-electronics VP-727A-BA Uživatelský manuál stáhnout pdf (Strana 25)

Kramer VP-727A-BA Protocol (Ver. 3.21)

9 Kramer VP-727A-BA Protocol (Ver. 3.21)

A protocol for the VP-727A-BA is described below.

For RS-232: A null-modem connection between the PC and the VP-727A-BA

is required, and data is at 9600 baud (for standalone

For RS-485: A differential (2 wire) connection between the VP-727(xl) and the

VP-727A-BA is required (A, B); GND may be connected to the shield if

required.

), no parity, 8 data bits, and

1 stop bit.

All values shown are hexadecimal.

Table 4: Instruction Codes for the VP-727A-BA Protocol

INSTRUCTION 1

Byte 2

Byte 3

Byte 4

Byte COMMENT

FACTORY RESET 00 81 81 81 See NOTE 1

RESET 00 80 80 81

INPUT 1 → PROGRAM OUT 02 81 81 81

INPUT 2 → PROGRAM OUT 02 82 81 81

INPUT 3 → PROGRAM OUT 02 83 81 81 Select

INPUT 4 → PROGRAM OUT 02 84 81 81 Input

INPUT 5 → PROGRAM OUT 02 85 81 81 for

INPUT 6 → PROGRAM OUT 02 86 81 81 Program

INPUT 7 → PROGRAM OUT 02 87 81 81

INPUT 8 → PROGRAM OUT 02 88 81 81 See NOTE 1

READ PROGRAM INPUT # 06 81 80 81 See NOTE 3

INPUT 1 → PREVIEW OUT 02 81 82 81

INPUT 2 → PREVIEW OUT 02 82 82 81

INPUT 3 → PREVIEW OUT 02 83 82 81 Select

INPUT 4 → PREVIEW OUT 02 84 82 81 Input

INPUT 5 → PREVIEW OUT 02 85 82 81 For

INPUT 6 → PREVIEW OUT 02 86 82 81 Preview

INPUT 7 → PREVIEW OUT 02 87 82 81

INPUT 8 → PREVIEW OUT 02 88 82 81 See NOTE 1

READ PREVIEW INPUT # 06 82 80 81 See NOTE 3

1 38,400 baud when operating with the VP-727xl and 115,200 baud when operating with the VP-727

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31 32

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Kramer-electronics VP-727A-BA Uživatelský manuál Strana 25