Edwards SCU-1601

SCU-1601 Control Unit for Turbomolecular Pump
MT-96E-1B1-0
Page 7
1
INTRODUCTION
1.6 General description
The SCU-1601 is the control unit required to drive the STP series of turbomolecular pumps. The
SCU-1601 converts the single-phase line supply voltage into a 3-phase d.c. voltage to drive the pump
motor. It also evaluates measured signals and performs the following functions:
• It provides logic to control the pump functions.
• It operates the magnetic bearing system.
• It operates the optional Temperature Management System (TMS).
Figure 8 - SCU-1601 control unit
The following series of turbomolecular pumps can be used in conjunction with the SCU-1601
*1
.
Model Name
Specification
STP-XA2703BV155
STP-XA3203BV155
Extreme Advanced throughput type
Table 1 - Turbomolecular pumps
*1 SCU-1601 is a control unit dedicated to the STP-XA2703BV155 / XA3203BV155. DO NOT connect to other models as it
may cause damage.
ON
RESET UP
SELECT
DOWN
ENTER
START
STOP
ACCEL
BRAKE
POWER
TEMP CTRL
NORMAL
FAILURE
REMOTE
STP CONTROL UNIT
X8 STP-LINK