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Edwards EXC120 User Manual
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D396-14-
880
Issue J Origina
l
Instruction Manual
EXC Turb
omolecu
lar Pump Co
ntroller
s
Description
Item Number
EXC120 Controller
D396-16-000
EXC120E C
ontroller
D396-17-000
EXC300 Controller
D396-14-000
EXC300M Controller
D396-15-000
2
Table of Contents
Default Chapter
5
Table of Contents
5
Introduction
9
Scope and Definitions
9
Description
10
Controls and Indicators (EXC120/300/300M Only)
11
EXC120 Controller Front Panel
12
EXC300/300M Controller Front Panel
13
Bakeout Band Control (EXC120/300/300M Only)
14
Connection of an Active Gauge
15
Backing Pump Control (EXC120/300/300M Only)
15
Logic Interface
15
Introduction
15
Electrical Supplies
16
Control Inputs
16
Status Outputs
17
Analogue Outputs
17
Vent-Valve Control
18
Vent on Stop
18
Vent on Fail and Vent on Axial Emergency
18
Controller Fail Conditions
19
General
19
Internal Timer
19
Axial Emergency (EXC300M Only)
20
Electrical Connections
20
Rear Panel of the EXC120 Controller
21
Rear Panel of the EXC120E Controller
22
Rear Panel of the EXC300/300M Controller
23
Technical Data
25
Operating and Storage Conditions
25
Mechanical Data
25
Electrical Data
25
Electrical Connectors
27
Factory Settings
27
EXC120, EXC300 and EXC300M Controller Dimensions (MM)
28
EXC120E Controller Dimensions (MM)
29
Installation
31
Unpack and Inspect
31
Fit the Controller
31
Introduction to Controller Electrical Connections
32
Schematic Diagram of EXC120 & EXC120E Controller Electrical Connections
33
Schematic Diagram of EXC300 & EXC300M Controller Electrical Connections
34
Connect the Electrical Supply
35
Connect Additional Earth (Ground) Bonding (if Required)
35
Connect the EXT Pump
35
Connect the Backing Pump (EXC120/300/300M Only)
36
Connect the Bakeout Band (EXC120/300/300M Only)
36
Connect an Active Gauge
36
Direct Operation of the Backing Pump
37
Operation of the Backing Pump through a Contactor
37
Connect the Logic Interface to Your Equipment
38
Adjust the Normal Speed Setpoint
38
Adjust the Internal Timer
38
Configure the Controller
39
Introduction
39
Enable/Disable the Internal Timer to Monitor Low Pump Speed
39
Top Cover of the Controller
39
Vent Options
40
Operation
41
Start-Up
41
Standby
41
Bakeout Band Control (EXC120/300/300M Only)
42
Operation with High Inlet Pressure
42
Operation with High Pump Temperature
42
The Hours Counter (EXC300 Only)
43
Normal Shutdown
43
Automatic Shutdown after Fail Condition
44
Reset the Controller after Fail Condition
44
Electrical Supply Failure
44
Maintenance
45
Safety
45
Replace a Fuse
45
Introduction
45
Replace the Electrical Supply Fuse
45
Replace the Bakeout Band Fuse (EXC120/300/300M Only)
45
Fault Finding
46
Clean the Controller
46
Storage and Disposal
47
Storage
47
Disposal
47
Spares and Accessories
49
Introduction
49
Spares
49
Accessories
49
Pump-To-Controller Cable
49
BX Bakeout Band (EXC120/300/300M Only)
49
TAV Vent-Valve
50
ACX Air-Cooler
50
Active Vacuum Gauges
51
Engineering Diagrams
53
EXC120/120E/300 Controller to EXT Pump Connections
53
EXC300M Controller to EXT Pump Connections
54
Active Gauge Connector
54
4
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Edwards EXC120 Specifications
General
Model
EXC120
Type
Controller
Manufacturer
Edwards
Compatibility
Edwards Vacuum Pumps and Instruments
Output Channels
Multiple (Relay and Analog)
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