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ISTRUZIONI ORIGINALI
• "D" = Low Speed OFF
• "E" = Request for operational parameters
• "F" = Pump times zeroing
• "G" = Parameters reading
• "H" = Parameters writing
• "I"
= Request for operating status
• "J" = Request for numerical reading
• "K" = Request for counters reading.
CRC corresponds to the sum (with inverted sign)
of all the preceding bytes.
e.g.,
the
START
command
code = 41; inverted it will be: FF + 1 - 41 = BF.
CHARACTER
ASCII
"A"
41h
CRC
-
"B"
42h
CRC
-
"C"
43h
CRC
-
"D"
44h
CRC
-
"E"
45h
CRC
-
"F"
46h
CRC
-
"G"
47h
CRC
-
"H"
48h
"I"
49h
CRC
-
"J"
4Ah
CRC
-
"K"
4Bh
CRC
-
"ACK"
06h
CRC
-
"NACK"
15h
CRC
-
Answer = after a request from the host, the
Turbo-V 301 controller will answer in one of the
following ways:
• ACK
• NACK
"A"
in
ASCII
CONVERTED ASCII
FOR CRC
CALCULATION
-
BFh
-
BEh
-
BDh
-
BCh
-
BBh
-
BAh
-
B9h
-
-
B7h
-
B6h
-
B5h
-
FAh
-
EBh
• Message
When the Request is "A, "B", "C", "D", "F", the
Turbo-V 301 controller will Answer the ACK or
NACK.
When the Request is "E, the Answer will contain
the complete set of the following parameters:
BYTES
1
MSB
LSB
- - - - X X X X
2÷5
6÷9
10÷11
12
13
14÷17
18÷19
20
21
22
*The values for current and voltage are given as
numbers, scaled from 0 to 255, where 0 corre-
sponds to 0 V and 255 to the full scale voltage
(130 V) or current (2.5 A).
When the Request is "G", the Answer will con-
tain a string of 11 characters with the following pa-
rameters:
BYTES
1-2
Pump cycles number
(integer coded in 2 bytes)
3
Speed threshold
4-7
Run up time in seconds
(long coded in 4 bytes)
8
Deat time
(0 = NO 1 = YES)
9
Reserved
10
Soft Start mode
(0 = NO 1=YES)
11
CRC
98/105
TECHNICAL INFORMATION
MEANING
0
= STOP
1
= WAITING INTERLOCK
2
= STARTING
3
= NORMAL OPERATION
4, 5 = HIGH LOAD
6
= FAILURE
7
= APPROACHING LOW SPEED
Cycle Time
Pump Life
Pump Temperature
Current*
Voltage*
Frequency
Cycle #
R1 Status
R2 Status
CRC
MEANING
87-901-005-01(A)
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