Edwards SCU-1600

SCU-1600 Control Unit for Turbomolecular Pump
March 10 79 Issue 1-a
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.
Bsp E Command Sends commands START, STOP, RESET (valid
when MANUAL/REMOTE switch is selected ON.)
? 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 of the SCU-1600.
? c ReadCounters Reads serial number, hour counter and start
counter.
? d ReadSetPoint Reads the setting values of the speed set point
and the TMS temperature.
? e ReadMotorTemp Reads the measured motor temperature.
? f ReadStatus Reads the various settings.
(Remote mode, TMS function, INHIBIT and
optional signal [emergency vent valve]).
? g ReadEvents Reads the error record.
Bsp h SetSpeedSetPoint Changes the speed set point.
? h ReadSpeedSetPoint Reads the speed set point.
? m ReadModFonctWithWarning Reads the pump operation mode, the errors and
the warnings being detected
? [ ReadMeasValue Reads the TMS temperature, motor temperature
and measured rotational speed.
Bsp 0 SetOptions Changes optional function (Second speed
option)
? 0 ReadOptions Reads optional function (Second speed option)
Table 22 - Command list