Mitsubishi Electric FR-E540 Instruction Manual Page 124
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PARAMETERS
111
<Computer programming>
(
1
)
Communication protocol
Data communication between the computer and inverter is performed using the following procedure:
*1
*2
Computer
Inverter
↓
(Data flow)
Computer
↓
(Data flow)
Inverter
Data read
Data write
Time
1)
2) 3)
4)
5)
*1. If a data error is detected and a retry must be made, execute retry operation from the user program. The
inverter comes to an alarm stop if the number of consecutive retries exceeds the parameter setting.
*2. On receipt of a data error occurrence, the inverter returns “reply data 3)” to the computer again. The
inverter comes to an alarm stop if the number of consecutive data errors reaches or exceeds the
parameter setting.
(
2
)
Communication operation presence/absence and data format types
Communication operation presence/absence and data format types are as follows:
No. Operation
Run
Command
Running
Frequency
Parameter
Write
Inverter
Reset
Monitor-
ing
Para-
meter
Read
1)
Communication request is sent to the
inverter in accordance with the user
program.
A’ A A A B B
2) Inverter data processing time Present Present Present Absent Present Present
No error*
(Request accepted)
C C C Absent
E
E’
E
3)
Reply data from the
inverter
(Data 1) is checked for
error)
With error
(request rejected)
D D D Absent F F
4) Computer processing delay time Absent Absent Absent Absent Absent Absent
No error*
(No inverter
processing)
Absent Absent Absent Absent G G
5)
Answer from computer
in response to reply
data 3)
(Data 3) is checked for
error)
With error
(Inverter outputs 3)
again.)
Absent Absent Absent Absent H H
* In the communication request data given from the computer to the inverter, 10ms or more is also
required after "no data error (ACK)". (Refer to page 113)
(
3
)
Data format
Hexadecimal data is used. Data is automatically transferred in ASCII between the computer and inverter.
•
Data format types
1) Communication request data from computer to inverter
*3
ENQ
*4
12345678910111213
*3
ENQ
*4
1234567891011
*3
ENQ
*4
123456789
[Data write]
Format A
[Data read]
Format A'
Format B
Inverter
station
number
Instruction
code
*5
Waiting
time
Data
Sum
check
Inverter
station
number
Inverter
station
number
Instruction
code
Instruction
code
*5
Waiting
time
*5
Waiting
time
Data
Sum
check
Sum
check
←
Number of characters
←
Number of characters
←
Number of characters
4
- FR-F520-0.75K to 55K 1
- FR-F540-0.75K to 55K(-EC) 1
- FR-F520-11K to 55K-NA 1
- FR-F540-11K to 55K-NA 1
- SAFETY INSTRUCTIONS 3
- 1. Electric Shock Prevention 3
- 2. Fire Prevention 3
- 3. Injury Prevention 3
- 4. Additional instructions 4
- (2) Wiring 4
- (3) Trial run 4
- (4) Operation 4
- (5) Emergency stop 5
- (7) Disposing of the inverter 5
- (8) General instructions 5
- CONTENTS 6
- Contents 6
- 6 SPECIFICATIONS 184 9
- 7 OPTIONS 192 9
- APPENDICES 195 9
- CHAPTER 1 10
- 1.1 Pre-Operation Information 11
- 1.2 Basic Configuration 12
- 1.3 Structure 13
- Front cover 14
- Inverter 14
- INSTALLATION AND WIRING 17
- 2.1 Installation 18
- 2.2 Wiring 20
- Notes on Grounding 24
- EC version 30
- NA and Japanese version 30
- Twin contact 38
- Low-level signal contacts 38
- 2.3 Other wiring 39
- 2.3.6 Peripheral devices 48
- 2.3.9 Earthing (EC version) 53
- CHAPTER 3 54
- OPERATION/CONTROL 54
- 3.1 Pre-Operation Information 55
- 3.1.2 Power on 57
- 3.2 Operation Panel 58
- 3.2.3 Monitoring 59
- 3.2.4 Frequency setting 59
- 3.2.6 Operation mode 61
- 3.2.7 Help mode 61
- 3.2.8 Copy mode 63
- 3.3.1 Parameter checking 64
- Simple mode parameter 65
- 3.3.2 Main parameter settings 66
- 3.4 Operation 68
- CONTROL PANEL 69
- 3.4.3 PU operation mode 70
- 3.4.4 Combined operation mode 71
- CHAPTER 4 72
- PARAMETERS 72
- 4 PARAMETERS 73
- 4.1 Parameter List 73
- Output frequency (Hz) 81
- Output voltage 81
- (Pr. 52 to Pr. 54, Pr. 158) 99
- With alarm 100
- PARAMETERS 101
- 4.2.29 Applied motor (Pr. 71) 110
- 4.2.31 Voltage input (Pr. 73) 112
- (Pr. 75) 113
- Time (Minute) 131
- Minute (Second) 131
- (Pr. 135 to Pr. 139) 140
- Set time (s) 149
- Overload status (OL output) 149
- OL output signal 149
- (Pr. 170, Pr. 171) 151
- Pr. 516 Pr. 504 163
- Pr. 502 + Pr. 503 163
- (Pr. 902 to Pr. 905) 170
- MON EXT PU 172
- PROTECTIVE FUNCTIONS 176
- 5 PROTECTIVE FUNCTIONS 177
- 5.1 Errors (Alarms) 177
- (2) Minor fault 184
- (3) Warnings 184
- 5.1.4 Alarm code output 187
- 5.1.5 Resetting the inverter 187
- 5.2 Troubleshooting 188
- 5.3.2 Check items 190
- 5.3.3 Periodic inspection 190
- 5.3.5 Pressure test 191
- <Preparation> 193
- <Checking method> 193
- Fan cover 194
- Fan connectors 194
- <Example: FR-F540-5.5K> 194
- 5.3.8 Inverter replacement 195
- CHAPTER 6 198
- SPECIFICATIONS 198
- 6 SPECIFICATIONS 199
- 6.1 Standard Specifications 199
- 6.1.2 Common specifications 201
- 95 (3.74) 203
- CHAPTER 7 207
- 7 OPTIONS 208
- 7.1 Option List 208
- • Inboard options 210
- APPENDICES 211
- Appendix 1 Data Code List 212
- REVISIONS 217
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