Glossary Polycold Cryochiller
DeviceNet: Installation and Operation Manual
Brooks Automation
G-2
214072 Revision B
DeviceNet: A system control protocol consisting of software and hardware. Uses its own command
format to gather data and command certain actions on the system.
EC: Conformité Européene Early version of the CE Marking. See CE above.
EEC: European Economic Community
EMC: Electromagnetic Compatibility
EN: European norm (or standard)
Ethernet: A serial communication protocol for communication and configuring the XC Cryochller
from a host or service computer. Consists of a family of computer networking technol-
ogies for local area networks. Data is sent in packets with error checking so that dam-
aged data can be resent.
Feed line: The copper tube in the refrigerant line that carries refrigerant from the refrigeration unit
to the cryosurface.
Field replacement charge:
A refrigerant mixture that replaces the refrigerant in the cryopump.
GUTS: Brooks acronym standing for Guaranteed Up-Time Service.
Human Machine Interface (HMI):
The user interface used in the XC Cryochiller
IEC: International Electrotechnical Commission
I/O: Input / output.
Liquid line: A portion of the refrigerant circuit containing high pressure refrigerant just after it has
been cooled by the water-cooled condenser.
MSDS: Material Safety Data Sheet
Manifold: Service manifold gauge set
NEC: National Electrical Code
NPT: National Pipe Thread
OFHC: Oxygen-free high thermal conductivity
Polycold stack: The upper portion of the refrigeration unit that is insulated with foam.
Profibus: A communication protocol designed to control process equipment. Consists of hard-
ware and software. Uses its own command format to gather data and command certain
actions on the system.
Recharge: Procedure for replacing the refrigerant in a refrigeration unit
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