STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page 92
5
SERIAL COMMUNICATION PROTOCOL
5.4 Command specifications
5.4.1 Command list
Function
code
Command/Query Name Function
? D ReadMeas Reads the measured rotational speed.
Sp
E Command Sends commands START, STOP, RESET (These
commands are valid only when being sent to the serial
port which is set as the input operation port.)
? F ReadFailMess Reads the errors being detected.
? M ReadModFonct Reads the pump operation mode and the errors being
detected.
? V ReadVersion Reads the software version.
? c ReadCounters Reads serial number, running time and start counter.
? e ReadMotorTemp Reads the measured motor temperature.
? f ReadStatus Reads the various settings.
(Remote mode and emergency vent valve).
? g ReadEvents Reads the error record.
Sp
h SetSpeedSetPoint Changes the speed set point.
*1
? h ReadSpeedSetPoint Reads the speed set point.
? m ReadModFonctWithWarning
Reads the pump operation mode, the errors and the
warnings being detected
? [ ReadMeasValue Reads the motor temperature, motor current, measured
rotational speed, and control unit temperature.
? = ReadOptionFunc Reads each setting value of items
Sp
= SetOptionFunc Changes each setting value of items
*1
? { ReadCondition Reads pump model and damage point
? } ReadEventsWithTime Reads the error record with detection
time
Sp
0 SetOptions Changes optional function (Second speed option)
*1
? 0 ReadOptions Reads optional function (Second speed option)
Table 25 - Command list
*1
There is an endurance limit of setting changes (no more than 24 times per day for about ten years). If this limit is exceeded, it
not only may become impossible to change the setting but can also cause pump failure. Do not make setting changes in
excess of this endurance limit.
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