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nEXT 300T
Edwards nEXT 300T Manuals
Manuals and User Guides for Edwards nEXT 300T. We have
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Edwards nEXT 300T manual available for free PDF download: Instruction Manual
Edwards nEXT 300T Instruction Manual (94 pages)
Turbomolecular Pumps
Brand:
Edwards
| Category:
Water Pump
| Size: 2.16 MB
Table of Contents
Table of Contents
3
Introduction
9
Scope and Definitions
9
General Description
10
Pump Controller
11
Operational Features
11
Power Limit Setting
11
Standby Speed
12
Timer
12
Analogue Output
12
Automatic Vent Options
12
Normal Speed Setting
13
Logic Interface
13
Parallel Control and Monitoring
13
Serial Control and Monitoring
14
Serial Control with Parallel Monitoring
14
Parallel Control with Serial Monitoring or Serial Configuration
14
Controller Configuration (Serial Configuration)
14
Technical Data
17
General
17
Pumping Media
17
Next 240 Pumps Technical Data
18
Next 300 Pumps Technical Data
19
Next 400 Pumps Technical Data
20
Next Pumps Technical Data
21
Next240 Performance Curve
22
Next300 Performance Curve
22
Next400 Performance Curve
23
Next 240 Dimensions (MM)
24
Next 300 Dimensions (MM)
26
Next 400 Dimensions (MM)
28
Vent Gas Specification and Vent Control Data
30
Max Allowed Rate of Pressure Rise During Venting: Pressure against Time (Pump Initially at Full Speed)
30
Purge Gas Specification
31
Cooling Water
31
Materials Exposed to Gases Pumped
31
Electrical Data
32
Logic Interface Connector
32
Logic Interface Connector Pins
33
Interface Circuits for Next Turbo Pump Controllers
34
Controller Connector Socket
35
Indicator Led's
36
Operating and Storage Environment
36
Installation
37
Unpack and Inspect
37
Typical Installation
37
Connection to the Vacuum System
38
Inlet Screen (Supplied Fitted on CF Only)
39
Mechanical Fixing
39
Inlet Connection and Orientation
39
Base Mounting
40
Backing Connection
40
Interstage Connection (Variants Only)
41
Purge Gas Connection
41
Connect the Purge Gas
41
Recommended Purge Gas Flow
41
Electrical Installation
41
Introduction
41
Earth (Ground) Connections
42
Connect the Logic Interface to the TIC
42
Connect the Logic Interface to the Customer Control Equipment
42
Connect the Electrical Supply
42
Logic Interface Connections - Parallel Control
43
Connection for Parallel Control and Monitoring
44
Connection for Serial Control and Monitoring
44
Connect the Serial Interface to the Customer Control Equipment
44
Controller Status Information
45
Logic Interface Connections - RS232 Serial Control
46
Serial Enable
47
Serial Protocol
47
Conceptual Diagram for Multi-Drop Connection Using RS232 Interface
48
Message Structure
49
Command Set
50
Command Abbreviations
51
Error Codes
52
Logic Interface Connection - Mixed Parallel and Serial Operation
53
Multi-Drop Operation
54
Connection for Mixed Parallel and Serial Operation
54
Vent Valve Selection, Connection and Control
54
Manual Vent Valve
55
TAV5 or TAV6 Solenoid Vent Valve
55
Vent Valve Control
55
Alternative Valve Connected to the Vacuum System
56
Cooling
57
Introduction
57
Forced Air Cooling
57
Water Cooling
57
Maximum Relative Humidity to Avoid Condensation with Water Cooling
58
Operation
59
Configuring the Next Pump Using Serial Commands
59
Power Limit Setting
59
Powering a Fan from the Controller
60
Controlled Venting Options
60
Standby Speed Setting
61
Normal Speed Setting
61
Timer Setting and Options
62
Analogue Signal Options
63
Factory Settings
63
Assigning a Multi-Drop Address
63
Configuring the Next Pump Using a TIC
64
Before Starting the Pump
65
Close the Vent Valve
65
Pre-Start Checks
65
Operation with Parallel Control and Monitoring
66
Start the Pump
66
Running at Standby Speed
66
Stop the Pump
66
Parallel Monitoring
66
Operation with Serial Control and Monitoring
66
Delayed Start
66
Start the Pump
67
Standby Speed
67
Stop the Pump
67
Temperature Readings
67
Link Parameter Readings
68
Measured Motor Speed
68
Mixed Parallel and Serial Operation
68
Serial Enable Matrix
69
Operation with a TIC
70
Decelerating and Venting
70
Operation at Extreme Conditions
71
Operation with High Inlet Pressure
71
Operation at High Temperatures
71
Protection against Over-Speed
71
Electrical Supply Failure
71
Bakeout
72
Maintenance
75
Introduction
75
Bearing and Oil Cartidge Maintenance
75
Rotor Life
75
Clean the External Surfaces of the Pump
75
Fault Finding
76
Flashing Service Codes
79
Decoding Service Status Words
79
Controller Run Time
80
Pump Run Time
80
Pump Cycles
80
Bearing Run Time
81
Oil Cartridge Run Time
81
Flashing Error Codes
81
Decoding System Status Words
82
Status Flag
83
Useful Service Information
84
Storage and Disposal
85
Storage
85
Disposal
85
Service, Spares and Accessories
87
Introduction
87
Service
87
Returning a Pump for Service
87
Bearing and Oil Cartridge On-Site Maintenance
87
Spares
88
ISX Inlet Screen
88
Inlet Strainer
88
Inlet-Flange Seals and Integrated Inlet Screens
88
NW16 and NW25 Ports
89
Accessories
89
Installation
89
ACX Air Cooler
89
WCX Water Cooler
89
BX Bakeout Band
90
TAV Vent Valve and Vent Port Adaptor
90
VRX Vent Restrictor
90
Vent Port Adaptor
91
PRX Purge Restrictor
91
C-Clamp Adaptor Kit
91
Interface Cable
91
TIC PC Program
91
Next Exploded Accessories View
92
Next Exploded Accessories View
93
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