687
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
30 External Device Communication (Inverter Communication) – FNC270 to FNC274
30.3 FNC272 – IVRD / Inverter Parameter Read
21
FN
C
160-FN
C
169
R
eal
Ti
m
e
C
loc
k
C
ont
ro
l
22
FN
C
170
-F
N
C
17
9
E
xt
e
rnal
D
evi
ce
23
FN
C
180
Su
b
st.
I
n
str
. I
n
fo
24
FN
C
181-FN
C
189
O
ther
s
25
FN
C
190-FN
C
19
9
B
loc
k D
a
ta
O
per
at
io
n
26
FN
C
200-FN
C
209
C
har
act
e
r St
ring
C
ont
ro
l
27
F
N
C2
10
-F
NC
21
9
Da
ta
O
per
at
ion 3
28
FN
C
220-FN
C
24
9
Da
ta
Co
m
p
a
ris
o
n
29
FN
C
250-FN
C
269
Da
ta
T
a
b
le
O
per
at
io
n
30
FN
C
27
0-F
N
C
274
Ex
-D
ev
ic
e
In
ve
rte
r C
o
mm
s
2. Related devices
→
For the instruction execution complete flag use method, refer to Subsection 6.5.2.
*1.
Cleared when the PLC mode switches from STOP to RUN.
*2.
Initial value: -1
Cautions
→
For other cautions, refer to the Communication Control Manual.
• It is not permitted to use the RS (FNC 80)/RS2 (FNC 87) instruction and an inverter communication
instruction (FNC270 to FNC274) for the same port.
• Two or more inverter communication instructions (FNC270 to FNC274) can be driven for the same port at
the same time.
Function change depending on the version
Inverter models available in this instruction are added depending on the version as shown in the table below.
Number
Description
Number
Description
ch1
ch2
ch1
ch2
M8029
Instruction execution complete
D8063
D8438 Error code of serial communication error
M8063
M8438 Serial communication error (ch 1)
D8150
D8155 Response wait time in inverter communication
M8151
M8156 Inverter communicating
*1
D8151
D8156 Step number in inverter communication
*2
M8152
M8157 Inverter communication error
*1
D8152
D8157
Error code of inverter communication
error
*1
M8153
M8158
Inverter communication error
latch
*1
D8153
D8158
Latch of inverter communication error
occurrence step
*2
M8154
M8159 IVBWR instruction error
*1
D8154
D8159 IVBWR instruction error parameter number
*2
Applicable version
Item
Outline of function
FX
3U
FX
3UC
Ver.2.00 or later Ver.2.00 or later
Addition of applicable
models
Mitsubishi FREQROL-F700/A700 Series general-purpose
inverters are supported.