Mitsubishi Electric FR-CC2-N Series, Инструкция по эксплуатации

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113
5. PARAMETERS
5.7 (N) Communication operation parameters
1
2
3
4
5
6
7
8
9
10
 Response time
*1 Refer to page 109 .
*2 Communication specifications
In addition to the above, 1 start bit is necessary.
Minimum number of total bits: 9 bits
Maximum number of total bits: 12 bits
*3 Data check time
 Retry count setting (Pr.121, Pr.335)
• Set the permissible number of retries at data receive error occurrence. (Refer to page 112 for data receive error for retry.)
• When the data receive errors occur consecutively and the number of retries exceeds the permissible number setting, a
communication fault (PU connector communication: E.PUE, RS-485 terminal communication: E.SER) occurs and the
inverter output is shut off.
• When a data transmission error occurs while "9999" is set, the inverter does not shut off its output but outputs the Alarm
(LF) signal. To use the LF signal, set "98" (positive logic) or "198" (negative logic) in any parameter from Pr.190 to Pr.195
(Output terminal function selection) to assign the function to an output terminal.
H7 Character error
The converter unit received an unusable character (other
than 0 to 9, A to F, and control codes).
The converter unit does not
accept the data sent to the
converter unit. However, the
inverter output is not shut off.
H8 — — —
H9 — — —
HA Mode error
Parameter write was attempted when the converter unit does
not perform computer link communication, when the
operation commands are not given through communication,
or during converter unit operation.
The converter unit does not
accept the data sent to the
converter unit. However, the
inverter output is not shut off.
HB Instruction code error The specified instruction code does not exist.
HC Data range error Invalid data has been specified for parameter writing, etc.
HD — — —
HE — — —
HF Normal (no error) — —
Error code Error item Error description Converter unit operation
Name Number of bits
Stop bit length
1 bit
2 bits
Data length
7 bits
8 bits
Parity check
With 1 bit
Without 0
Item Check time
Monitoring < 12 ms
Parameter read/write < 30 ms
Parameter clear / All parameter clear < 5 s
Reset command No reply
10 ms or more necessary
Computer
Converter unit
Converter unit
Computer
Data sending time (refer to the following formula)
Converter unit data processing time
Data sending time (refer to the following formula)
Waiting time
(setting 10 ms) Data check time
(depends on the
instruction code
∗3
)
Time
1
Communication
speed (bps)
[Formula for data transmission time]
data transmission time (s)
Communication specifications
(Total number of bits) *2
Number of data characters *1