HINT

(1)Automatic setting with Pr.999

If Pr.999 is set as the following, the communication settings other than [PU communication station number] and [Communication EEPROM write selection] can be automatically set in a batch to the default communication settings of the GOT side.

Parameter No.

Set value

Description

Operation in parameter setting mode

Pr.999*1

10

GOT Initial settings (PU connector)

[AUTO] [GOT] [1]Write

 

 

 

11

GOT Initial settings (RS-485)

―

 

 

 

 

 

*1 When monitoring the value of Pr.999, 9999 is always monitored.

(2)Inverters available for automatic batch setting

Parameters are not automatically set in a batch depending on the SERIAL (production number) symbol of the inverter to be used. For details, contact your local distributor.

15.5.11Connecting MD-CX522-K(-A0)

Communication settings

Make the communication settings of the inverter.

Be sure to perform the inverter reset after updating each parameter.

(1) Communication port and corresponding parameters

GOT connection

Parameters corresponding to inverter

destination

 

PU connector

Pr.79, Pr.117 to Pr.124

 

 

(2)Communication settings of inverter

•Set the following parameters using the PU (parameter unit).

•After setting the parameters for the communication settings, reset the inverter.

•Do not change these parameters, even though they can be monitored from the GOT. If they are changed, communication with the GOT is disabled.

Setting item*1

Parameter No.

Set value

 

Contents of setting

Communication station number

Pr.117

0 to 31

 

15.5.12 Station number setting

 

 

 

 

 

 

Communication speed*2

Pr.118

192*3

 

19200bps

Stop bit length/data length*2

Pr.119

10

 

Data length: 7bit

 

Stop bit length: 1bit

 

 

 

 

 

 

 

 

 

Parity check presence/absence*2

Pr.120

1

 

Odd

Number of communication retries

Pr.121

9999

The inverter will not come to an alarm stop.

 

 

 

 

 

Communication check time interval

Pr.122

9999

 

Communication check suspension

 

 

 

 

 

Wait time setting

Pr.123

0

 

0ms

 

 

 

 

 

CRLF presence/absence selection

Pr.124

1*3

 

With CR, without LF

*1 Setting items are parameter names described in the manual of MELIPM series.

*2 Settings on the GOT can be changed.

When changing the settings on the GOT, be sure to change the parameters on the inverter to correspond with the GOT settings.

*3 Inverter default values (No need to change)

15 - 42

15. INVERTER CONNECTION

 

15.5 FREQROL Series Inverter Side Settings