Communications Examples - Fuji Electric FRENIC-AQUA series User Manual

Rs-485 communication
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3.1.5

Communications examples

Typical communications examples are shown below (the station address is 5 in all cases).
(Example 1) M06: Reading actual frequency and speed
Query (host ⇒ inverter)
05
03
Normal response (inverter ⇒ host)
05
03
The detected speed value is 2710
expression shown below:
Maximum frequency
10000 ×
(Example 2) S01: The value of 15 Hz will be written to frequency command (maximum
frequency: 60 Hz).
According to the expression shown below, the value to be written is 1388
15 Hz ×
Query (host ⇒ inverter)
05
06
Normal response (inverter ⇒ host)
05
06
08
06
00
02
27
10
, or 10000
H
20000
20000
= 5000
60 (Hz)
07
01
13
07
01
13
3-12
01
67
EF
A3
B8
. The actual frequency is 30 Hz according to the
d
= 30 (Hz)
(Maximum frequency: 60 Hz)
= 1388
d
H
88
D5
AC
88
D5
AC
.
H

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