PARAMETERS
121
"
"
"
"
The motor can be run from the PU connector of the inverter using RS-485
communication.
Communication specifications
Conforming standard
RS-485
Number of inverters connected
1:N (maximum 32 inverters)
Communication speed
Selectable between 19200, 9600 and 4800bps
Control protocol
Asynchronous
Communication method
Half-duplex
Character system
ASCII (7 bits/8 bits) selectable
Stop bit length
Selectable between 1 bit and 2 bits.
Terminator
CR/LF (presence/absence selectable)
Parity check
Selectable between presence (even/odd) and absence
Check
system
Sum check
Present
Com
m
unicat
ion
specif
icat
ions
Waiting time setting
Selectable between presence and absence
"
"
"
"
For the data codes of the parameters, refer to Appendix 1 "Data Code List"
(page 192).
REMARKS
For computer link operation, set 65520 (HFFF0) as the value "8888" and 65535
(HFFFF) as the value "9999".
Parameter Number
Factory Setting
Setting Range
117
0
0 to 31
118
192
48, 96, 192
Data length 8
0, 1, 100, 101*3
119*1
1
Data length 7
10, 11, 110, 111*3
120
2
0, 1, 2
121
1
0 to 10, 9999
122*2
9999
0, 0.1 to 999.8 s, 9999
123
9999
0 to 150, 9999
124
1
0, 1, 2
338
0
0, 1
339
0
0, 1
340
0
0, 1
342
0
0, 1
*1. When you have performed parameter copy, set the parameters again
after copying.
*2. When making communication, set any value other than 0 in Pr. 122
"communication check time interval".
*3. "100, 101, 110 and 111" are not displayed as the setting range on the
FR-PU04 parameter unit.
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