D397-51-880 Issue E
Page 2 © Edwards Limited 2014. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
INTRODUCTION
1.2 Outline description
The SCU Series Profibus Module provides a Profibus DP V0 slave interface for the SCU turbomolecular pump control
units listed in Section 1.3. The module communicates with the control unit using the RS232 interface. Commands
received from the Profibus network are relayed to the control unit. Data from the control unit is stored in the module
and transmitted over the Profibus network when requested. The front panel of the module has four LEDs which
indicate the status of the module and the Profibus network. The Profibus slave address is set using rotary switches.
The back panel of the module has a 9-way 'D' connector for the Profibus network, a 9-way 'D' connector for the RS232
link to the control unit and a power connector.
Refer to the product manuals listed in Section 1.3 for full operation of the turbo pump control units.
1.3 Applicable SCU models
The Large-Medium Series Profibus Module is for use with the following SCU models:
Edwards take no responsibility for damage or injury caused by improper use of the equipment.
This equipment provides remote control of an Edwards Turbo pump. Refer to the safety
information in the turbo pump control unit manual.
This unit should not be relied upon for safety related functions.
SCU Control Unit Product Manual
SCU-750 MT-56E-101
SCU-800 MT-49E-101
SCU-1400 MT-72E-101
SCU-1500 MT-59E-101
SCU-1600 MT-76E-101
STP-iX455 series control unit MT-64E-002
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