Danfoss iC2, Инструкция по применению

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Application Guide | iC2-Micro Frequency Converters
e3
0b
a0
92
.1
0
E19E 0000 0000 03E8 H H H H
PKE IND PWE PWEhigh
low
Figure 61: Telegram
NOTICE
P 5.8.2 Motor Speed High Limit [Hz] is a single word, and the parameter command for write in EEPROM is E. P 5.8.2 Motor Speed
High Limit [Hz] is 19E in hexadecimal. The parameter number is 414.
The response from the follower to the master is shown in the Figure 62 .
e3
0b
a0
93
.1
0
119E 0000 0000 03E8 H H H H
PKE IND PWE PWEhigh
low
Figure 62: Response from Master
6.1.6.3.3
Reading a Parameter Value
Read the value in P 5.5.4.2 Ramp 1 Ramp Up Time .
PKE = 1155 hex - Read parameter value in P 5.5.4.2 Ramp 1 Ramp Up Time . The parameter number is 341.
l
IND = 0000 hex.
l
PWE
HIGH
= 0000 hex.
l
PWE
LOW
= 0000 hex.
e3
0b
a0
94
.1
0
1155 0000 0000 0000 H H H H
PKE IND PWE PWEhigh
low
Figure 63: Telegram
If the value in P 5.5.4.2 Ramp 1 Ramp Up Time is 10 s, the response from the follower to the master is shown in the Figure 64 .
e3
0b
a2
67
.1
0
1155 0000 0000 03E8 H H H H
PKE IND PWE PWEhigh
low
Figure 64: Response
3E8 hex corresponds to 1000 decimal. The conversion index for P 5.5.4.2 Ramp 1 Ramp Up Time is -2, that is, 0.01.
P 5.5.4.2 Ramp 1 Ramp Up Time is of the type Unsigned 32. The parameter number is 341.
6.1.7
Modbus RTU
6.1.7.1
Modbus RTU Introduction
Prerequisite knowledge
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