Emerson EV1000-2S0004G User Manual page 143

艾默生变频器、艾默生CT高级授权代理商--广州盟雄 020-85543394 qq:2294731312
5. Command list of protocols
In the following table, frame head 7E, frame tail OD, address and checksum are omitted. The format is ASCII character.
!
Note
For those parameters that are constantly modified, such as reference frequency, Acc/Dec time, MS frequency, close loop setting, auxiliary
frequency set by serial port, please use command 08 to avoid damaging E
2
E PROM (about 100 thousand times), it will be unavailable and then E016 alarm will occur.
Name
Inquire slave status
Present actual
frequency
Read
Reference frequency
Slave
Output voltage
Status
Output current
Parameter (on unit)
Table 4 Protocol Command List
Host Secondary Command
Command index Index
00 00 00
01 00 00
01 00 01
01 00 02
01 00 03
01 00 04
EV1000 Series General Purpose Variable Speed Drive User Manual
2
PROM. If command 07 is used, when the write-in times exceed the life to the
Host control（C lanuguage,
Data Range character string format, slave
address 01）
None ~010000000181\r
None ~010100000182\r
None ~010100010183\r
None ~010100020184\r
None ~010100030185\r
None ~010100040186\r
Appendix 2 Communication Protocol
Data accuracy Description
1 See table 2
0.01 Hz
0.01 Hz
1V
0.1A
1
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