Chapter 4 Parameter Settings|DD Series
4-66
09 Communication Parameters This parameter can be set during operation.
RS-485
Serial interface
1: +EV
2
: SG+
5: NC
6: NC
: GND
3: SG-
4
6
1
When the AC motor drive is controlled by RS-485 serial
communication,a converter, VFD-USB01 or IFD8500,
should be connected between the AC motor drive and PC.
Communication Address
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 1
Settings 01~254
If the AC motor drive is controlled by RS-485 serial communication, the communication address for this
drive must be set via this parameter. And the communication address for each AC motor drive must be
different and unique.
Transmission Speed
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 19.2
Settings
4.8~115.2Kbps
This parameter is used to set the transmission speed between the RS485 master (PLC, PC, etc.) and AC
motor drive. RS-485 communication can also be used to change the drive’s parameter and control the
drive’s operation status.
Transmission Fault Treatment
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 3
Settings
Warn and keep operating
Warn and RAMP to stop
Reserved
No action and no display
This parameter is used to set the reaction to transmission errors occur.
Time-out Detection
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 0.0
Settings
0.0~100.0sec
This parameter is used to set the duration of communication and keypad time-out.
Communication Protocol
Control mode VF VFPG SVC FOCPG FOCPM
Factory setting: 13
Settings
0: 7N1 (ASCII)
1: 7N2 (ASCII)
2: 7E1 (ASCII)
3: 7O1 (ASCII)
4: 7E2 (ASCII)
5: 7O2 (ASCII)
6: 8N1 (ASCII)
7: 8N2 (ASCII)
8: 8E1 (ASCII)
9: 8O1 (ASCII)
10: 8E2 (ASCII)
11: 8O2 (ASCII)
12: 8N1 (RTU)
13: 8N2 (RTU)