249
Communication operation and setting
Fault code list
Model information monitor
(7)
Pr. 343 Communication error count
You can check the cumulative number of communication errors.
(8) Output terminal LF "alarm output (communication error warnings)"
During a communication error, the alarm signal (LF signal) is output by open collector output. Assign the used terminal
using
Pr. 190 or Pr. 192 (output terminal function selection)
.
Register
Definition
Read/Write
Remarks
44001 to
44010
Inverter model
Read
Reading inverter
model
in ASCII code.
"H20" (blank code) is set for blank area
Example of FR-F740PJ
H46, H52, H2D, H46, H37, H34, H30, H50, H4A, H20................ H20
44011 to
44013
Capacity
Read
Reading inverter capacity in ASCII code.
Data is read in increments of 0.1kW, and rounds down to 0.01kW
increments
"H20" (blank code) is set for blank area
Example
0.75K ..............." 7" (H20, H20, H20, H20, H20, H37)
Parameter
Setting Range
Minimum
Setting Range
Initial Value
343
(Reading only)
1
0
NOTE
The number of communication errors is temporarily stored into the RAM. As it is not stored into the EEPROM
performing a power supply reset or inverter reset clears the value to 0.
NOTE
The LF signal can be assigned to the output terminal using
Pr. 190 or Pr. 192
. Changing the terminal assignment may
affect the other functions. Set parameters after confirming the function of each terminal.
Data
Definition
H00
No fault
present
H10
E.OC1
H11
E.OC2
H12
E.OC3
H20
E.OV1
H21
E.OV2
H22
E.OV3
H30
E.THT
H31
E.THM
H40
E.FIN
H51
E.UVT
H52
E.ILF
H60
E.OLT
H61
E.SOT
H70
E.BE
H80
E.GF
H81
E.LF
H90
E.OHT
H91
E.PTC
HB0
E.PE
HB1
E.PUE
Data
Definition
HB2
E.RET
HC0
E.CPU
HC4
E.CDO
HC5
E.IOH
HC7
E.AIE
HC9
E.SAF
HD0
E.OS
HE6
E.PID
HF5
E.5
Data
Definition
*
Refer to page 297
for details of fault records.
Alarm data
Reply data
Master
Slave
Communication
Error count
(Pr. 343)
0
LF signal
Normal data
Alarm data
Alarm data
Normal data
Reply data
1
2
OFF
ON
OFF
OFF
ON
Not increased
Communication error count is increased
in synchronization with leading edge
of LF signal
Turns OFF when normal data is received
Alarm data: Data resulting in communication error.
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