Edwards nRVi, Instruction Manual

Page: 33 / 100

Object
name
Command
Parameter
range
Factory
setting
Data type Units
Comments
1 - Decimal - Use standby speed
Identification ?S0 - - - - Acts as wildcard object
number to identify
instrument. Reply
identical to ?S801
Node ?S800
!S800
0..98 0 Decimal Slave
Address
Multi-drop address
(RS485)
0 = disable multi- drop
mode;
Pump type ?S801 [1..8] - String ASCII
Characters
Pump type (nRVi )
[1..11] - String ASCII
Characters
Motor Control Software
Version number
(Dxxxxxxxx Y) (where
Dxxxxxxxx is the
drawing number and Y
is the revision)
1..255 - String Hz Design frequency (=
Nominal mechanical
frequency of the pump)
Pump
control
!C802 0 - Decimal - Stop the pump
1 - Decimal Start the pump
?V802 0..255 - Decimal Hz Reported motor
frequency
64-bits
encoded as
four 16-bit
words:
- Hexadecimal - System status:
<0000..FFFF>; System status register
1;
<0000..FFFF>; System status register
2;
<0000..FFFF>; Warning register and
Fault register
<0000..FFFF>
Speed
control
!C803 0 - Decimal - Use full speed
1 - Decimal Use standby speed
Normal
speed
threshold
?S804
!S804
65..100 65 Decimal % Normal speed status
output trigger level:
Percentage (%) of
selected speed
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A65901880_D - Technical data