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PARAMETERS
100
<Setting>
To make communication between the personal computer and inverter, the
communication specifications must be set to the inverter initially. If initial setting is not
made or there is a setting fault, data transfer cannot be made.
Note: After making the initial setting of the parameters, always reset the inverter.
After you have changed the communication-related parameters,
communication cannot be made unit the inverter is reset.
Parameter
Number
Description Setting Description
117
Station
number
0 to 31
Station number s
p
ecified for communication from the
PU connector.
Set the inverter station numbers when two or more
inverters are connected to one personal computer.
48 4800bps
96 9600bps118
Communica-
tion speed
192 19200bps
0
Stop bit length 1 bit
8 bits
1
Stop bit length 2 bits
10
Stop bit length 1 bit
119 Sto
p
bit len
g
th
7 bits
11
Stop bit length 2 bits
0
Absent
1
Odd parity present
120
Parity check
presence/
absence
2
Even parity present
0 to 10
Set the
p
ermissible number of retries at occurrence
of a data receive error.
If the number of consecutive errors exceeds the
p
ermissible value, the inverter will come to an alarm sto
p
.
121
Number of
communication
retries
9999
(65535)
If a communication error occurs, the inverter will not
come to an alarm sto
p
. At this time, the inverter can
be coasted to a stop by MRS or RES input.
Durin
g
a communication error
(
H0 to H5
)
, the minor
fault si
g
nal
(
LF
)
is switched on. Assi
g
n the used
terminals with Pr. 192 "A, B, C terminal
(
ABC
)
function
selection".
0 No communication
0.1 to 999.8
Set the communication check time [seconds] interval.
If a no-communication state
p
ersists for lon
g
er than
the
p
ermissible time, the inverter will come to an
alarm stop.
122
Communica-
tion check
time interval
9999 Communication check suspension
0 to 150
Set the waitin
g
time between data transmission to
the inverter and response.
123
Waiting time
setting
9999 Set with communication data.
0 Without CR/LF
1 With CR, without LF124
CR
•
LF
instruction
presence/
absence
2 With CR/LF
4