Appendix 4 MODBUS Communication
http://www.acdrive-china.com
233
Address Name BIT Content
8-F (Reserved)
0 Over current (OC)
1 Over voltage while Accelerating (Ou1)
2 Ac drive overload (OL2)
3 Ac drive overheat (OH1)
4 Over voltage while decelerating (Ou2)
5 Overt voltage while constant running (Ou3)
6 Hall current check error (HE)
7
External fault (EFO~EF1)
8
Hardware fault (CCF3~CCF6)
9 Motor overload (OL1)
A
Input/output phase loss or imbalance (SP1~SP2)
B During under voltage (Uu1)
C Control power supply under voltage (Uu2)
D Charge circuit under voltage (Uu3)
E Grounding(GF) or Load short circuit (SC)
0021H
Fault
content
F
Keyboard disconnected or connect abnormal
(CCF1~CCF2)
0 Bus under voltage warning (Uu)
1 Ac drive overload warning (OLP2)
2 Analog input AI1 abnormal (AE1)
3 Analog input AI 2 abnormal (AE 2)
4 Ac drive overheat warning (OH2)
5 (Reversed)
6
Function setting illogical, such as SS0-2 and
TT0-1 aren’t entirely set( SF1)
7
Running mode is not corresponding to the
Terminal setting(SF2)
8
Output Terminal function selection 27,28 not
reach to 3
SF3
0022H
Warning
content
9-F (Reserved)