Connecting Freqrol-E500 Series - Mitsubishi Electric GT1685 Connection Manual

15.5.2 Connecting FREQROL-E500 series


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
destination
PU connector
(2) Communication settings of inverter
Set the following parameters using the PU (parameter unit).
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
Communication station number
Communication speed
Stop bit length
Parity check presence/absence
Number of communication retries
Communication check time interval
Wait time setting
CRLF presence/ absence selection
Protocol selection
Operation mode selection
Communication startup mode selection
2
E PROM write selection
Frequency setting command selection
*1 Setting items are parameter names described in the manual of FREQROL-E500 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)
*4 There is no Protocol selection setting on the inverter side.
*5 The setting is required for Frequency setting command selection.
Parameters corresponding to inverter
Pr.79, Pr.117 to Pr.124, Pr.146, Pr.342
*1
Parameter No.
Pr.117
*2
Pr.118
*2
Pr.119
*2
Pr.120
Pr.121
Pr.122
Pr.123
Pr.124
*4
―
Pr.79
*4
―
Pr.342
*5
Pr.146
15.5 FREQROL Series Inverter Side Settings
Set value Contents of setting
15.5.14 Station number
0 to 31
setting
*3
19200bps
192
Data length: 7bit
10
Stop bit length: 1bit
1
9999 The inverter will not come to an
(65535) alarm stop.
Communication check
9999
suspension
0
*3
With CR, without LF
1
―
*3
PU operation mode
1
―
*3
Written to RAM and EEPROM
0
Built-in frequency setting
9999
potentiometer invalid
15. INVERTER CONNECTION
9
10
11
12
Odd
0ms
13
―
―
14
15
16
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