Com1 Time-Out Detection; Com1 Communication Protocol; Ascii Mode - Delta Electronics AC Motor Drive VFD-VE Series User Manual

Chapter 4 Parameters|
09-03

COM1 Time-out Detection

Control
VF VFPG
mode
Settings
If Pr.09-03 is not set to 0.0, Pr.09-02=0~2, and there is no communication on the bus during
the Time Out detection period (set by Pr.09-03), "cE10" will be shown on the keypad.
09-04

COM1 Communication Protocol

Control
VF VFPG
mode
Settings
1. Control by PC or PLC
A VFD-VE can be set up 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 Pr.09-04.
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
ASCII code
4-138
SVC FOCPG TQRPG
0.0 ~ 100.0 sec (0.0 disable)
SVC FOCPG TQRPG
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
'2' '3' '4'
32H 33H 34H
Revision August 2008, 03VE, SW V2.04
Unit: 0.1
Factory Setting: 0.0
Factory Setting: 1
'5' '6' '7'
35H 36H 37H