Edwards SCU-801

SCU-801 Control Unit for Turbomolecular Pump
MT-95E-001-A
Page 14
3
INSTALLATION
Item
Description
Function
1
LCD panel
Displays the STP pump’s operational status, speed, error
messages, and other.
2
FAILURE LED
(Red LED) Illuminates when an abnormality/error occurs on the
STP pump or SCU-801. LCD panel simultaneously displays an
error message.
3
RESET switch
(Flat panel switch, grey. Valid in MANUAL only.)
Alarm reset function. Tuning function.
4
REMOTE LED
(Green LED) Illuminates when in the REMOTE mode.
5
UP switch
(Flat panel switch, grey. Valid in MANUAL and REMOTE.)
Abnormality/error display change function.
Setting content confirmation function.
Setting content change function.
6
MANUAL/REMOTE
changeover switch
(Slide switch, white) Manual/Remote mode changeover.
7
SELECT switch
(Flat panel switch, grey. Valid in MANUAL and REMOTE.)
LCD display function (Confirmation mode change and
parameter set mode change). Press SELECT and UP switches
simultaneously to enter the setting mode.
8
ENTER switch
(Flat panel switch, grey. Valid in MANUAL and REMOTE.)
Setting content determination function.
Warning message display function.
9
DOWN switch
(Flat panel switch, grey. Valid in MANUAL and REMOTE.)
Abnormality/error display change function.
Setting content confirmation function.
Setting content change function.
10
BRAKE LED
(Green LED) Illuminates during STP pump deceleration
(BRAKE state).
11
STOP switch
(Flat panel switch, dark grey. Valid in MANUAL only.)
Stops the STP pump.
12
START switch
(Flat panel switch, green. Valid in MANUAL only.)
Starts the STP pump.
13
ACCEL. LED
(Green LED) Illuminates during STP pump acceleration
(ACCELERATION state).
14
NORMAL LED
(Green LED) Illuminates during STP pump rated speed
operational (NORMAL OPERATION state).
Table 2 - SCU-801 front panel functions