Edwards STP-L301 Series User Manual

STP-iXR1606 Turbomolecular Pump
MT-79E-001-D
Page 121
5
SERIAL COMMUNICATION PROTOCOL
1. In case of time flag = 0
Parameter Item Data format Remarks
a Error Code 8-bits hexadecimal
coded ASCII
*1
b Time flag 8-bits hexadecimal
coded ASCII
c Pump running time 32-bits hexadecimal
coded ASCII
Unit: minute
d
Control unit running time 32-bits hexadecimal
coded ASCII
Unit: minute
*1 Value corresponding to the error is transmitted (see Table 28, Table 29）. When the number of errors being detected is
under the maximum number, the value of parameter that is larger than the number of errors being detected is set to FFhex.
Example:
In case of Disturbance X_H detection at
Pump running time = 5,000 minutes, control unit running time = 6,000 minutes
Parameter a b c d
ASCII
0 D 0 0 0 0 0 0 1 3 8 8 0 0 0 0 1 7 7 0
HEX
30 44 30 30 30 30 30 30 31 33 38 38 30 30 30 30 31 37 37 30
2. In case of time flag = 1
Parameter Item Data format Remarks
a Error Code 8-bits hexadecimal
coded ASCII
*1
b Time flag 8-bits hexadecimal
coded ASCII
c
Error detection time
(Format：yymmddhhnn)
yy: The last two digits of the
year
mm: Month
dd: Day
hh: Hour (24-hour display)
nn: Minute
40-bits hexadecimal
coded ASCII
*
2
d
[System reservation] 24-bits hexadecimal
coded ASCII
*1 Value corresponding to the error is transmitted (see Table 28, Table 29）. When the number of errors being detected is
under the maximum number, the value of parameter that is larger than the number of errors being detected is set to FFhex.
*2 Each value of time is transmitted as BCD form character string.

Edwards STP-L301 Series Specifications

General

Brand	Edwards
Model	STP-L301 Series
Category	Water Pump
Language	English