Varian Turbo-V70 Manual De Instrucciones página 62

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When the Request is "E, the Answer will contain the
complete set of the following parameters:
BYTES
1
MSB
LSB
- - - - X X X X
0
= STOP
1
= WAITING INTERLOCK
2
= STARTING
3
= NORMAL OPERATION
4, 5 = HIGH LOAD
6
= FAILURE
7 = APPROACHING LOW SPEED
2÷5
Cycle Time
Pump Life
6÷9
Pump Temperature
10÷11
12
Current*
13
Voltage*
Frequency
14÷17
18÷19
Cycle #
20
R1 Status
21
R2 Status
22
CRC
*The values for current and voltage are given as numbers,
scaled from 0 to 255, where 0 corresponds to 0 V and 255
to the full scale voltage (75 V) or current (2,5 A).
When the Request is "G", the Answer will contain a string
of 11 characters with the following parameters:
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
Soft Start mode
(0 = NO 1=YES)
10
Water cooling
(0 = NO 1=YES)
11
CRC
When the configuration parameters have to be changed,
send a Request string a string with 9 characters of the
following type:
"H" + .... data .... + CRC
MEANING
MEANING
The following parameters can be changed:
BYTES
1
Speed threshold
2-5
Run up time in seconds
(long coded in 4 bytes)
6
Deat time
(0 = NO 1 = YES)
7
Controller OFF when R2 OFF
(0 = NO 1 =YES)
8
Soft Start mode
(0 = YES 1 = NO)
9
CRC
When the Request is "I" (Status readings), the Answer
will contain a string of 2 characters with the following
parameters:
BYTES
1
MSB
LSB
- - X X X X X X
0
1
2
3
4, 5 = HIGH LOAD
6
7 = APPROACHING LOW SPEED
R2 status 0 = OFF
R1 status 0 = OFF
2
CRC
When the Request is "J" (Numerical readings), the
Answer will contain a string of 5 characters with the
following parameters:
BYTES
1
Current (0-255 scaled)
2
Voltage (0-255 scaled)
3
Rotational speed KRPM
4
Pump temperature °C
(0-254 temperature reading, 255 = fail)
5
CRC
When the Request is "K" (Counters readings), the
Answer will contain a string of 11 characters with the
following parameters:
BYTES
1-4
Cycle time
5-8
Pump life
9-10
Cycle number
11
CRC
On request a sample program in QBasic language is
available by Varian.
56
TECHNICAL INFORMATION
MEANING
MEANING
= STOP
= WAITING INTERLOCK
= STARTING
= NORMAL OPERATION
= FAILURE
1 = ON
1 = ON
MEANING
MEANING
87-900-869-01 (B)
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