10.6 MEMOBUS/Modbus Communications
766
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Register No.
(Hex.)
Description
00E6 - 00E9
Reserved
00EA
Fault Description 11
bit 0
TiM [Keypad Time Not Set]
bit 1
bAT [Keypad Battery Low Voltage]
bit 2- D
Reserved
bit E
SCF [Safety Circuit Fault]
bit F
Reserved
00EB - 00ED
Reserved
00EE
Fault Description 12
bit 0 - 4
Reserved
bit 5
bCE [Bluetooth Communication Fault]
bit 6 - F
Reserved
00EF - 00FA
Reserved
00FB
Drive Output Current
Note:
The unit of display is different for different models.
•
0.01 A: D002 to D046, A002 to A042, B001 to B014
•
0.1 A: D059 to D273, A054 to A248, B021 to B302
8440
TimeHHMM
8441
Date Year
8442
Date MMDD
◆
Error Codes
■
MEMOBUS/Modbus Communications Error Code List
lists the MEMOBUS/Modbus communications error codes.
When an error occurs, remove the cause of the error and restart communications.
Table 10.32 MEMOBUS/Modbus Communications Error Codes
Error Code
(Hex.)
Name
Cause
01
Function Code Error
The PLC set a function code that was not 03, 08, or 10 (Hex.)
02
Register Number Error
•
The register number that is trying to access is not registered.
•
A starting number that was not 0001 or 0002 (Hex.) was set when broadcasting.
03
Bit Count Error
•
Read and write data quantities are more than the 1 to 16 range. (Command message data quantity is disabled.)
•
The data that was read from non-consecutive holding registers contained more than 120 bytes.
•
The data to be written to non-consecutive holding registers contained more than 60 bytes.
•
In the write mode, the number of bytes in the message is not the number of data × 2.
21
Data Setting Error
•
Writing control data or parameters made the settings go out of the permitted setting range.
•
A parameter setting error occurred when writing a parameter.
22
Write Mode Error
•
Tried to write a disabled parameter during run.
•
When there was a
CPF06 [Control Circuit Error]
, the master tried to write a parameter other than one of these:
–
A1-00 [Language Selection]
–
A1-01 [Access Level Selection]
–
A1-03 [Initialize Parameters]
–
A1-04 [Password]
–
A1-05 [Password Setting]
–
E1-03 [V/f Pattern Selection]
–
o2-04 [Drive Model (KVA) Selection]
•
Writes the read-only data.
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