B800-00-880 Issue D
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Maintenance
5.5.10 Useful service information
If using the serial communications link, additional information about the pump, such as pump type and internal
controller software versions, can be accessed. This information is particularly useful for service personnel to
determine the model of the pump.
Send the following query to find out pump type:
The reply will be as follows, where string 1 is the pump type, string 2 is the DSP software version number and string
3 is the designated full speed of the pump (in revolutions per second):
Send the following query to find out the boot loader software version:
The reply will be as follows, where string1 is the boot loader software version number:
Table 31 - Example decoding of system status words
Bit number
Status of bit
(in example)
We can deduce
00The pump has not failed
1 1 The pump is at rest
2 0 Speed is below normal speed
3 0 The vent valve is open
4 0 There is no active start command
5 1 Serial enable is active
60Standby is not active
7 0 Speed is below 50% of full rotational speed
8 0 The pump is not in parallel control mode
9 0 The pump is not serial control mode
10 0 There is no controller internal software mismatch
11 0 Controller passed internal configuration and calibration
operation
12 0 The timer has not timed out
13 0 Overspeed and overcurrent trip not activated
14 0 Pump internal temperature measurement system is fine
15 0 Serial enable has not become inactive during serial control
Command ?
S 8 5 1cr
Reply =
S 8 5 1spString 1 ; String 2 ; String 3 cr
Command ? S 8 6 8cr
Reply =
S 8 6 8spString 1 cr
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