Inverter operation monitoring instruction
This instruction reads the operation status of an inverter.
For information concerning inverter communication instruction expressions and execution format, refer to Programming
Manual (Instructions, Standard Functions/Function Blocks).
IVCK
Ladder
(s1)
(s2) (d1)
Setting data
■Contents, range, data type
Operand
Description
(s1)
Inverter station number
(s2)
Inverter instruction codes
(d1)
Device number storing the read value
*1
(n)
Used channel
*2
(d2)
Head bit device 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 98)
■Applicable devices
Operand
Bit
X, Y, M, L, SM,
U\G
F, B, SB, S
(s1)
(s2)
*3
(d1)
(n)
*4
(d2)
*1 T,ST and C cannot be used
*2 Bit specification of word device cannot be used.
*3 Only nibble specification of bit device can be used.
*4 Nibble specification of bit device cannot be used.
*5 Only bit specification of word device can be used.
Processing details
Write the operation status of inverter corresponding to instruction code (Page 71) of (s2) for station No. (s1) of the inverter
connected to the communication channel (n) in (d1).
ST
ENO:=IVCK (EN, s1, s2, n, d1, d2);
(n)
(d2)
Word
T, ST,
T, ST, C, D,
U\G
C, LC
W, SD, SW, R
*1*2
*1*2
*2
*1*5
Range
Data type
K0 to 31
16-bit signed binary
Refer to Page 71
16-bit signed binary
16-bit signed binary
K1 to 4
16-bit unsigned binary
Bit
Double word Indirect
specification
Z
LC
LZ
4 INVERTER COMMUNICATION
FBD/LD
EN
ENO
4
s1
d1
s2
d2
n
Data type (label)
ANY16
ANY16
ANY16
ANY16_U
ANYBIT_ARRAY
(Number of elements:3)
Constant
Others
(DX)
K, H
E
$
103
4.8 Programming