![Pfeiffer Vacuum HIQUAD QMG 700 Скачать руководство пользователя страница 29](http://html1.mh-extra.com/html/pfeiffer-vacuum/hiquad-qmg-700/hiquad-qmg-700_operating-instructions-manual_1534983029.webp)
1
11
2
3
4
5
6
7
8
9
10
12
13
14
15
16
Fig. 27:
QMA pin assignment
1 QMA GND
9
Filament Common
2 SPEC SRC RET
7)
10
V4, field axis
3 V6, inner deflection
11
V0, Ref GND
4 V3, focus
12
Screen
5 V9, Wehnelt
13
V8, reserve
6 V5, extraction
14
V1, Ion Ref
7 Fi
15
SPEC SRC ON
8)
8 Filament - / cathode
16
V7, outer deflection
QMA connection (potentials)
Switching on QMS 700 only with QMA cable
Only switch on QMS 700 with the QMA cable properly connected.
External voltage source
You must limit the external voltage source for V0 reliably to ≤2 mA.
● V1 related to V0
● V2 to V8 related to V1
● V9 related to V2
0
..
..
..
..
..
..
.+
1
5
0
-1
2
5
V
..
..
..
..
.0
-1
5
0
V
..
..
..
..
..
..
.0
..
.+
6
0
V
-6
0
V
..
..
..
.0
-1
5
0
V
..
..
..
..
..
..
.0
..
.+
6
0
V
-4
5
0
V
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
.0
..
..
..
..
..
..
..
..
..
+
3
0
0
V
-4
5
0
V
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
.0
..
..
..
..
..
..
..
..
..
+
3
0
0
V
-4
5
0
V
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
.0
..
..
..
..
..
..
..
..
..
+
3
0
0
V
-4
5
0
V
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
..
.0
..
..
..
..
..
..
..
..
..
+
3
0
0
V
V1
V9
V3
V4
V5
V6
V7
V8
V2
V0
QMA-GND
IONREF (V1)
Fig. 28:
Ion potentials at max. pos. IONREF (+150 V), positive polarity
7)
Reference signal for SPEC SRC ON
8)
+24 V if activated, max. 200 mA
Product description
29/70
Содержание HIQUAD QMG 700
Страница 70: ...BG5400 ed B Date 2210 P N BG5400BEN...