IPE300 series engineering VFD
Communication protocol
-286-
Function
Address
Data description
R/W
Read input of HDIA
high-speed pulse
3010H
0.00
–50.00kHz (Unit: 0.01Hz)
R
Read input of HDIB
high-speed pulse
3011H
R
Read the actual step
of multi-step speed
3012H
0-15
R
External length value
3013H
0
–65535
R
External counting
value
3014H
0
–65535
R
Torque setting
3015H
-300.0
–300.0% (Unit: 0.1%)
R
VFD identification
code
3016H
R
Fault code
5000H
R
The Read/Write (R/W) characteristics indicate whether a function parameter can be read and written.
For example, "Communication-based control command" can be written, and therefore the command
code 06H is used to control the VFD. The R characteristic indicates that a function parameter can
only be read, and W indicates that a function parameter can only be written.
Note:
Some parameters in the preceding table are valid only after they are enabled. Take the running
and stop operations as examples, you need to set "Running command channel" (
) to
"Communication", and set "Communication mode of running commands" (
) to Modbus. For
another example, when modifying "PID reference", you need to set "PID reference source" (
to Modbus communication.
The following table describes the encoding rules of device codes (corresponding to the identification
code 2103H of the VFD).
8 MSBs
Meaning
8 LSBs
Meaning
01
Goodrive
0x08
Goodrive35 vector VFD
0x09
Goodrive35-H1 vector VFD
0x0a
Goodrive300 vector VFD
0xa0
IPE300 vector VFD
9.4.6 Fieldbus scale
In practical applications, communication data is represented in the hexadecimal form, but
hexadecimal values cannot represent decimals. For example, 50.12 Hz cannot be represented in the
hexadecimal form. In such cases, multiply 50.12 by 100 to obtain an integer 5012, and then 50.12 can
be represented as 1394H in the hexadecimal form (5012 in the decimal form).
In the process of multiplying a non-integer by a multiple to obtain an integer, the multiple is referred to
as a fieldbus scale.
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