Mitsubishi Electric GT16, User Manual

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24. INVERTER CONNECTION
24.5 FREQROL Series Inverter Side Settings
24.5.12 Connecting 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
(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.
*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).
GOT connection
destination
Parameters corresponding to inverter
PU connector Pr.79, Pr.117 to Pr.124
Setting item
*1
Parameter No. Set value Contents of setting
Communication station number Pr.117 0 to 31
24.5.13 Station number setting
Communication speed
*2
Pr.118
192
*3
19200bps
Stop bit length/data length
*2
Pr.119 10
Data length: 7bits
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