StepperOnline RS485 User Manual

Modbus RS485 Stepper Drive User Manual
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 Error Code
Error Code (EC)
Description
0x01
Wrong FC (This supports FC beside of 03h/ 06h/ 10h)
0x02
Wrong access address
0x03
Wrong data, for example, write data over-limit value, etc.
0x08
Wrong CRC check code
Example F: CRC check code error
Master-> slave data:
Message
01
03
00 01
00 01
D5 C1
Description
Slave ID
Function code
Register address
Read Number of registers
CRC check code
slave-> Master data:
Message
01
83
08
40 F6
Description
Slave ID
FC+0x80
Error code
CRC
Example F: Function code error
Master-> slave data:
Message
01
02
00 01
00 01
E8 0A
Description
Slave ID
Function code
Register address
Read Number of registers
CRC check code
slave-> Master data:
Message
01
82
01
81 60
Description
Slave ID
Function code + 0x80
Error code
CRC check code
4.4.2 Drive Alarm Codes and Troubleshooting
Register Address
definition
operation
unit
description
0x2203
Current alarm
R
/
Below table
Error code and cause:
The green light is always on after the drive power on. When the error is occurred, the drive will stop working and red
light will be flashed indicates the current error code. Whatever error occurs, the user need to power off the drive and
restart it after removing the error. The user can read the corresponding error code through the PC software. The
latest errors will be saved to EEPROM which supports 10 historical errors in the list.

StepperOnline RS485 Specifications

General

Brand	StepperOnline
Model	RS485
Category	DC Drives
Language	English