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246
Communication operation and setting
[Inverter status monitor]
* The signal within parentheses is the initial setting. The description changes depending on the setting of Pr. 190 to Pr. 196 (output terminal function
selection).
[Multi command (HF0)]
Sending data format from computer to inverter
Reply data format from inverter to computer (No data error detected)
*1 Specify the data type of sending data (from computer to inverter).
*2 Specify the data type of reply data (from inverter to computer).
*3 Combination of data 1 and data 2 for sending
*4 Combination of data 1 and data 2 for reply
*5 Error code for sending data 1 is set in error code 1, and error code for sending data 2 is set in error code 2.
Mode error (HA), instruction code error (HB), data range error (HC) or no error (HF) is replied. (Refer to page 238 for the details of the error codes.)
Item
Instruction
Code
Bit
Length
Description Example
Inverter
status
monitor
H7A 8 bits
b0:RUN (inverter running)*
b1:Forward rotation
b2:Reverse rotation
b3:SU (up to frequency) *
b4:OL (overload) *
b5:
IPF (instantaneous power failure)
*
b6:FU (frequency detection)*
b7:ABC1 (fault) *
Inverter
status
monitor
(
extended
)
H79 16 bits
b0:RUN (inverter running) *
b1:Forward rotation
b2:Reverse rotation
b3:SU (up to frequency) *
b4:OL (overload) *
b5:
IPF (instantaneous power failure)
*
b6:FU (frequency detection) *
b7:ABC1 (fault) *
b8:ABC2 (⎯)*
b9:⎯
b10:⎯
b11:⎯
b12:⎯
b13:⎯
b14:⎯
b15: Fault occurrence
Format
Number of Characters
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
A2
ENQ
Inverter
station
number
Instruction
Code
(HF0)
Waiting
time
Send
data
type
*1
Receive
data
type
*2
Data1 *3
Data2
*3
Sum
check
CR/LF
Format
Number of Characters
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C1
STX
Inverter
station
number
Send
data
type
*1
Receive
data
type
*2
Error
code 1
*5
Error
code 2
*5
Data1 *4
Data2
*4
ETX
Sum
check
CR/LF
Data Type
Data 1
Data 2
Remarks
0
Run command
(extended)
Set frequency
(RAM)
Run command (extended) is same as instruction code HF9
(Refer to page 245)
1
Run command
(extended)
Set frequency
(RAM, EEPROM)
Data Type
Data 1
Data 2
Remarks
0
Inverter status
monitor (extended)
Output frequency
(speed)
Inverter status monitor (extended) is same as instruction code H79
(Refer to page 245)
Replys the monitor item specified in instruction code HF3 for
special monitor.(Refer to page 244)
1
Inverter status
monitor (extended)
Special monitor
00000010
b7 b0
10000000
b7 b0
[Example 2] H80
[Example 1] H02
Stop at fault
occurrence
During forward
rotation
00000010
b0
00000000
b15
[Example 1] H0002 During forward rotation
10000000
b0
10000000
b15
[Example 2] H8080 Stop at fault occurrence