Delta Electronics VFD-EL manual RTU mode, Bit Bit character Bit character frame

Chapter 4 Parameters
	Character
		‘8’	‘9’	‘A’	‘B’	‘C’	‘D’	‘E’	‘F’
	ASCII code	38H	39H	41H	42H	43H	44H	45H	46H

RTU mode:

Each 8-bit data is the combination of two 4-bit hexadecimal characters. For example, 64

Hex.

2. Data Format

For ASCII:

	( 7.N.2)
	Start				0	1	2				3	4	5		6	Stop			Stop
			bit													bit			bit
										7-bit character
							10		-bit character frame
	( 7.E.1)
	Start				0	1	2				3	4	5		6	Even			Stop
			bit													parity			bit
										7-bit character
							10		-bit character frame
	( 7.O.1)
		Start			0	1	2				3	4	5		6		Odd		Stop
				bit													parity		bit
										7-bit character
							10			-bit character frame
( 7.N.1)
Start					0	1	2				3	4	5	6	Stop
		bit													bit
								7-bit character
						9-		bit character frame
( 7.E.2)
Start					0	1	2				3	4	5	6	Even			Stop	Stop
		bit													parity			bit	bit
								7-bit character
						11		-bit character frame
( 7.O.2)
	Start				0	1	2				3	4	5	6	Odd			Stop	Stop
			bit												parity			bit	bit

7-bit character

11-bit character frame

4-86 Revision August 2008, 2ELE, V1.02