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Inverter parameter read
This instruction reads an inverter parameter to the PLC.
For information concerning inverter communication instruction expressions and execution format, refer to MELSEC iQ-F
FX5 Programming Manual (Instructions, Standard Functions/Function Blocks).
IVRD
Ladder
(s1)
Setting data
■Contents, range, data type
Operand
Description
(s1)
Inverter station number
(s2)
Inverter parameter number
(d1)
Device number storing the read value
*1
(n)
Used channel
*2
(d2)
Bit device head number to which instruction execution status is
output
*1 Specify a channel No. for which communication setting is set for inverter communication.
*2 Make sure not to use devices being used in other control operations. (Page 121)
■Applicable devices
Operand
Bit
X, Y, M, L, SM,
F, B, SB, S
(s1)
(s2)
(d1)
(n)
(d2)
*1 T,ST and C cannot be used
Processing details
The value of the parameter No. (s2) is read to (d1) from station No. (s1) of inverter connected to communication channel (n).
Operation error
Operation errors pertaining to the instruction are as follows.
Operation Error Flag
SM0
SM1
ON
ON
ON
ON
5 INVERTER COMMUNICATION
130
5.8 Programming
(s2) (d1)
(n)
(d2)
Word
T, ST, C, D, W,
SD, SW, R
*1
*1
*1
Operation Error
Codes
SM56
SM8067
SD0
1810H
2820H
3405H
3600H
ST
ENO:=IVRD (EN, s1, s2, n, d1, d2);
Range
K0 to 31
Refer to Page 95.
K1 to 4
Double word Indirect
U\G
Z
LC
Description
SD8067
When specified channel is used with another instruction.
When specified device exceeds the device range.
When the value specified for (s1) is other than K0 to 31.
When the value specified for (s2) is outside the range that can be specified.
(Less than K0, K3000 to 9999, K13000 to 32767)
When the value specified for (n) is other than K1 to 4.
When specified channel is not setting parameter.
Data type
16-bit signed binary
16-bit signed binary
16-bit signed binary
16-bit unsigned binary
Bit
Constant
specification
LZ
K, H
FBD/LD
EN
ENO
s1
d1
s2
d2
n
Data type (label)
ANY16
ANY16
ANY16
ANY16_U
ANYBIT_ARRAY
(Number of elements:3)
Others
E
$
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