Inverter Parameter Read - Mitsubishi Electric FX5 User Manual

Inverter parameter read

This instruction reads an inverter parameter to the PLC.
For information concerning inverter communication instruction expressions and execution format, refer to Programming
Manual (Instructions, Standard Functions/Function Blocks).
IVRD
Ladder
(s1) (s2) (d1)
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 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
The value of the parameter No. (s2) is read to (d1) from station No. (s1) of inverter connected to communication channel (n).
ST
ENO:=IVRD (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 72.
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 $
   
   
   
   
   
107
4.8 Programming