4-141
4-4 Communication Function
4
Func
tions
Setting
RS485 communication requires the following settings.
Communication Test Mode
• The communication test mode allows you to check the RS485 communication line (hardware).
(Communication Test Mode Procedure)
(1) Before conducting a loop-back test, disconnect the cable from TM2 on the control terminal block
board.
(2) Set the following parameter via the Digital Operator.
• Set C071 (communication speed selection) to "02" (loop-back test).
(3) Turn off the Inverter, and turn it on again. The check will start.
(4) After the check is complete, the Digital Operator displays the following code:
• Normal:
• Abnormal:
(5) Press the RESET button on the Digital Operator or on the copy unit to show the basic setting
screen. Reset the parameter that you changed in step (2) to a desired setting.
Parameter No.
Function name
Data
Default setting
Unit
C071
Communication speed
selection
(Baud rate selection)
02: Loop-back test
03: 2400 bps
04: 4800 bps
05: 9600 bps
06: 19200 bps
04
⎯
C072
Communication station
No. selection
1. to 32.: Allocate each Inverter's station No.
Set station numbers to control several
Inverters simultaneously.
1.
⎯
C073
Communication bit
length selection
7: 7 bits
8: 8 bits
7
⎯
C074
Communication parity
selection
00: No parity
01: Even
02: Odd
00
⎯
C075
Communication stop bit
selection
1: 1 bit
2: 2 bits
1
⎯
C076
Communication error
selection
00: Trip
01: Trip after deceleration stop
02: Ignore
03: Free-run stop
04: Deceleration stop
02
⎯
C077
Communication error
timeout
0.00 to 99.99: Communication
disconnection judgment time
0.00
s
C078
Communication wait time
0. to 1000.: Time to wait for response from
the Inverter
0.
ms
C079
Communication method
selection
00: ASCII method
01: ModBus-RTU method
01
⎯
Related functions
A001, A002
lk_k_ko
lk_k_kz
Summary of Contents for 3G3RX Series
Page 1: ...Cat No I560 E1 03 USER S MANUAL SYSDRIVE RXSERIES High function General purpose Inverter ...
Page 2: ......
Page 17: ...Chapter 1 Overview 1 1 Functions 1 1 1 2 Appearance and Names of Parts 1 4 ...
Page 22: ......
Page 23: ...Chapter 2 Design 2 1 Installation 2 1 2 2 Wiring 2 6 ...
Page 48: ......
Page 108: ......
Page 324: ......
Page 337: ...Chapter 6 Inspection and Maintenance 6 1 Inspection and Maintenance 6 1 ...
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Page 392: ......
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Page 437: ...Index ...
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