Edwards STP Series User Manual

STP-iXR1606 Turbomolecular Pump
MT-79E-001-D
Page 94
5
SERIAL COMMUNICATION PROTOCOL
5.4.2 ReadMeas
Function: Reads the measured rotational speed.
Transmission frame:
PC->SIM Stx 0 0 1 ? D Etx LRC
SIM->PC Ack
PC->SIM Ack
SIM->PC Stx 0 0 1 Sp D Parameter 1 to 2 Etx LRC
Parameter Item Data format Remarks
1
[System reservation] 56-bits hexadecimal
coded ASCII
2
Measured rotational speed
(Unit: Hz)
16-bits hexadecimal
coded ASCII
Example:
Measured rotational speed: 01C2
hex
= 450 Hz = 27,000 rpm
Parameter 1 2
ASCII
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
*1
0 1 C 2
HEX 30 31 43 32
*1 System reservation
5.4.3 Command
Function: Sends the pump operation commands START, STOP and RESET. These commands are
valid only when being sent to the serial port which is set as the input operation port. Refer to Section
Section 5.4.17, "SetOptionFunc" for the setting method of the input operation port.
Transmission frame:
PC->SIM Stx 0 0 1 Sp E Parameter 1 Etx LRC
SIM->PC Ack
PC->SIM Ack
SIM->PC Stx 0 0 1 # Etx LRC

Edwards STP Series Specifications

General

Brand	Edwards
Model	STP Series
Category	Water Pump
Language	English