Specifications

5
VFD-M Series
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5-41
Pr.89
Transmission Speed (Baud rate)
Factory Setting: 01
Settings 00 4800 bps
01 9600 bps
02 19200 bps
03 38400 bps
 This parameter sets the transmission speed for communication on the RS-485 serial port
Pr.90
Transmission Fault Treatment Factory Setting: 03
Settings 00 Warn and Continue Operating
01 Warn and RAMP to Stop
02 Warn and COAST to Stop
03 Keep Operation without Warning
Pr.91
Time Out Detection Factory Setting: 0.0
Settings 0.1 to 120.0 sec
0.0 disable
 This parameter is used for ASCII mode. When the over-time detection is enabled, the
separation between characters cannot exceed 500 ms.
Pr.92
Communication Protocol Factory Setting: 00
Settings 00 Modbus ASCII mode, <7,N,2>
01 Modbus ASCII mode, <7,E,1>
02 Modbus ASCII mode, <7,O,1>
03 Modbus RTU mode, <8,N,2>
04 Modbus RTU mode, <8,E,1>
05 Modbus RTU mode, <8,O,1>
 1. Computer Control
 Each drive has a built-in RS-485 serial interface, marked (RJ-11 Jack) on the control
terminal block, whose pins are defined as shown:
6
1
1: +15V
2: GND
3: SG-
4: SG+
5: NC
6: for communication