Edwards GXS Series User Manual

157,28,19,42,0,72,121,35,0
In this example:
157 indicates a pump controller
28 indicates a GXS pump family
19 indicates a GXS250
42 indicates a GXB2600 booster
0 indicates GXS screw pump
72 indicates low volts, 7.5 kW DP and 7.5 kW BP
121 indicates a harsh gas module
35 indicates a normal thermal management type
0 indicates a normal exhaust type
Refer to the SIM manual for more informaon about the various eld elements and
what they mean for the GXS.
9.13 How to use SIM protocol with a serial port
SIM protocol is used as a means of communicaon between our vacuum pumps and
other external control and monitoring equipment. For more informaon about SIM
protocol, refer to the SIM protocol manual P41100200.
To use SIM protocol by a serial port, connect the GXS to the computer as described in
Connecng the GXS dry pumping system for serial communicaons Connecng the dry
pumping system for serial communicaons on page 53. Start the program HyperTerminal
on the computer and select the COM port to be used. Then congure the COM port to
the following sengs:
Table 53 COM port sengs
COM port Requirements
Bits per second 9600
Data bits 8
Parity None
Stop bits 1
Flow control None
Next, set the ASCII sengs as follows:
Page 155
M58800880_H - Pump display terminal

Edwards GXS Series Specifications

General

Brand	Edwards
Model	GXS Series
Category	Water Pump
Language	English