Delta Electronics VFD-F Series Start, Stop Stop, bit bit, bit character 10-bit character frame

VFD-F Series

If you set BB action by this parameter and you also need to disable BB action by this parameter.

There is a built-in RS-485 serial interface, marked (RJ-11 jack) on the control terminal block. The pins are defined below:

1: EV

2: GND

3: SG-

4: SG+

5: NC

6 1 6: for communication

Each AC drive has a pre-assigned communication address specified by 9-00. The computer then controls each AC drive according to its communication address.

AC drive can be setup to communicate on Modbus networks using one of the following modes: ASCII (American Standard Code for Information interchange) or RTU (Remote Terminal Unit). Users can select the desired mode along with the serial port communication protocol in 09-04 and 09-05.

Code Description:

ASCII mode:

Each 8-bit data is the combination of two ASCII characters. For example, a 1-byte data: 64 Hex, shown as ‘64’ in ASCII, consists of ‘6’ (36Hex) and ‘4’ (34Hex).

Character	‘0’	‘1’	‘2’	‘3’	‘4’	‘5’	‘6’	‘7’
ASCII Code	30H	31H	32H	33H	34H	35H	36H	37H
Character	‘8’	‘9’	‘A’	‘B’	‘C’	‘D’	‘E’	‘F’
ASCII Code	38H	39H	41H	42H	43H	44H	45H	46H

RTU mode:

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

2.Data format

2.110-bit character frame ( for 7-bit ) : ™ (7 , N , 2 : 9-04=0, 9-05=0)

Start	0	1	2	3	4	5	6	Stop Stop
bit								bit bit

7-bit character 10-bit character frame

5

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