138 Appendix 2 Communication Protocol
EV1000 Series General Purpose Variable Speed Drive User Manual
Fault
Index
Description
Fault
Index
Description
07
Control power
supply
overvoltage
08 Reserved
09
Phase loss at
input side
10 Reserved
11
Heatsink
overheat
12 Reserved
13
Drive overload
14
Motor overload
15
External device
fault or
emergency stop
16
E
2
PROM
damaged
17
Serial
communication
fault
18 Reserved
19
Current
detection circuit
fault
20
System
interference
21 Reserved
22
Reserved
23 Reserved
24 Self-tuning
fault
5
)
Checksum
Meaning of Data: Frame check. Four bytes.
ASCII.
Calculation method: To sum up the ASCII values
of all the bytes from “slave address” to “operation
data”.
6) Frame Tail
Hex OD, Single byte.
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