Edwards nEXT240, Инструкция по эксплуатации

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B800-00-880 Issue A
Page 38 © Edwards Limited 2009. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Installation
Speed control !C869 0
1 - decimal - Set target speed to full speed
Set target speed to standby speed
Timer options !S870
?S870 0
1 1 decimal - Timer = disabled
Timer = enabled
Note that the timer is permanently
enabled on ramp-up.
Analogue signal
options !S871
?S871 0
1
2
3 0 decimal - Analogue output = Measured speed
Analogue output = Measured power
Analogue output = Measured motor
temp.
Analogue output = measured control
temp.
Close vent valve !C875 1 - decimal - Closes the vent valve for delayed
start and overrides the current vent
option. There is no open vent valve
command but the stop command
(!C852 0) will clear the override.
Table 18 - Command abbreviations
Abbreviation Meaning
cr carriage return character
chars characters
d decimal ASCII character
Note: Fields showing multiple d characters are to indicate typical length. All
data fields have a maximum of 5 decimal characters (prefixed by a minus
number for negative numbers).
h hexadecimal ASCII character
r Returned error code - refer to Table 16
sp space character
string may have several ASCII characters
X Multi-drop decimal ASCII character
Note: Fields showing multiple X characters are to indicate maximum length and
not fixed length.
Table 19 - Error codes
Returned error code Meaning
0 No error
1 Invalid command for object ID
2 Invalid Query/Command
3 Missing parameter
4 Parameter out of range
5 Invalid command in current state - e.g. serial command to start/stop when in
parallel control mode
Table 17 - Summary of commands that can be sent to the nEXT pump (continued)
Object name Command
Parameter
range
Factory
setting
Data
type
Units Comments