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Chapter 4 ParametersAT |Troubleshooting}| BLD-E1 Series
Communication Protocol
09-04
Control
VF
VFPG
mode
Settings
Computer Control /Computer Link
Before using RS-485 Serial Interface, each drive needs to pre-assign a communication
address specified by Pr.9-00. The computer then controls each brushless DC drive according
to its communication address
A BLD-E1 can be set up to communicate in MODBUS networking using ASCII
mode(American Standard Code for Information Interchange), each 8-bit data is a combination
of 2 ASCII character. For example, a 1-byte data: 64Hex, shown as '64' in ASCII, consists of
'6' (36Hex) and '4' (34Hex).
1. Code Description:
ASCII mode:
Each 8-bit data is the combination of two ASCII character. For example, a 1-byte data:
64 Hex, shown as '64' in ASCII, consists of '6' (36Hex) and '4' (34Hex).
Character
ASCII code
Character
ASCII code
4-82
FOCPM
0
Modbus ASCII mode, protocol <7,N,1>
1
Modbus ASCII mode, protocol <7,N,2>
2
Modbus ASCII mode, protocol <7,E,1>
3
Modbus ASCII mode, protocol <7,O,1>
4
Modbus ASCII mode, protocol <7,E,2>
5
Modbus ASCII mode, protocol <7,O,2>
6
Modbus ASCII mode, protocol <8,N,1>
7
Modbus ASCII mode, protocol <8,N,2>
8
Modbus ASCII mode, protocol <8,E,1>
9
Modbus ASCII mode, protocol <8,O,1>
10
Modbus ASCII mode, protocol <8,E,2>
11
Modbus ASCII mode, protocol <8,O,2>
12
Modbus RTU mode, protocol <8,N,1>
13
Modbus RTU mode, protocol <8,N,2>
14
Modbus RTU mode, protocol <8,E,1>
15
Modbus RTU mode, protocol <8,O,1>
16
Modbus RTU mode, protocol <8,E,2>
17
Modbus RTU mode, protocol <8,O,2>
'0'
'1'
30H
31H
'8'
'9'
38H
39H
'2'
'3'
'4'
32H
33H
34H
'A'
'B'
'C'
41H
42H
43H
Factory Setting: 1
'5'
'6'
'7'
35H
36H
37H
'D'
'E'
'F'
44H
45H
46H
Revision May 2009, 00DE, V0.50
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