SCU-1600 Control Unit for Turbomolecular Pump
March 10 6 Issue 1-a
1
INTRODUCTION
1.6 General description
The SCU-1600 is the control unit required to drive the STP series of turbomolecular pumps. The
SCU-1600 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 7 - SCU-1600 control unit
The following series of turbomolecular pumps can be used in conjunction with the SCU-1600.
Model Name Specification
STP-A2203 series Advanced high-throughput type
STP-A2503/A3003 series Advanced high-throughput type
STP-A2803/A3503 series Advanced high-throughput type
STP-F2203 series High flow type
STP-XH2603/XH3203 series Extreme hydrogen performance type
STP-XA2703/XA3203 series Extreme advanced throughput type
STP-XA4503 series Extreme advanced throughput type
STP-XW3503 series High back pressures type
Table 1 - Turbomolecular pumps
X8 STP-LINK
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