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Mitsubishi Inverter Protocol (computer Link Communication) - Mitsubishi Electric FR-CS84-012 Instruction Manual

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 Parameters related to PU connector communication
Pr.
Name
117
PU communication
N020
station number
118
PU communication
N021
speed
PU communication
N022
data length
PU communication
N023
stop bit length
PU communication
119
stop bit length / data
length
120
PU communication
N024
parity check
121
PU communication
N025
retry count
122
PU communication
N026
check time interval
123
PU communication
N027
waiting time setting
124
PU communication CR/
N028
LF selection
NOTE
• Always reset the inverter after making the initial settings of the parameters. After changing the communication-related
parameters, communication cannot be made until the inverter is reset.
5.11.4 Mitsubishi inverter protocol (computer link
communication)
Parameter setting and monitoring, etc. are possible by using the Mitsubishi inverter protocol (computer link communication) via
the PU connector on the inverter.
Setting
Initial value
range
Specify the inverter station number.
0
0 to 31
Enter the inverter station numbers when two or more inverters are
connected to one personal computer.
48, 96, 192,
Select the communication speed.
192
384, 576,
The setting value × 100 equals the communication speed.
768, 1152
For example, enter 192 to set the communication speed of 19200 bps.
0
Data length 8 bits
0
1
Data length 7 bits
0
Stop bit length 1 bit
1
1
Stop bit length 2 bits
0
Stop bit length 1 bit
1
Stop bit length 2 bits
1
10
Stop bit length 1 bit
11
Stop bit length 2 bits
0
Without parity check
2
1
With parity check at odd numbers
2
With parity check at even numbers
Set the permissible number of retries for unsuccessful data reception.
0 to 10
If the number of consecutive errors exceeds the permissible value, the
inverter output will be stopped.
1
The inverter output will not be shut off even when a communication
9999
error occurs.
0
PU connector communication is disabled.
Set the interval of the communication check (signal loss detection)
0.1 to 999.8
time
9999
s
If a no-communication state persists for longer than the permissible
time, the inverter output will be shut off.
9999
No communication check (signal loss detection)
Set the waiting time between data transmission to the inverter and the
0 to 150 ms
response.
9999
Set with communication data.
9999
Waiting time: setting data × 10 ms
0
Without CR/LF
1
1
With CR
2
With CR/LF
Description
Data length 8 bits
Data length 7 bits
5. PARAMETERS
5.11 (N) Communication operation parameters
2
2
3
4
5
6
7
8
9
10
169

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