BG 805 981 BE (0201) QMG422.oi
15
Connections on QC 422
For EMC reasons only shielded cables may be used on D-Sub connectors. The shield must be connected to
chassis ground. The opposite end may not have a different ground potential.
key
(not used)
Analog output of the electrometer signal
0 ... ±10,24 V, R
out
: 2× 200
Ω
, short-circuit proof
Analog input in place of electrometer signal.
±10,24 V, common mode signal: ±2 V
max
, R
in
= 2× 50 k
Ω
see detect-
TYPE:EXTERN
45
Input for ext. measurement cycle start
TTL, int. pull-up 4.7 k
Ω
to +5 V.
see cycle-
TRIG
44
Input for filament and SEM protection
TTL, int. pull-up 4.7 k
Ω
to +5 V.
see config-
CTRL/SEM+FIL
43
sync
Trigger signal for recording instrument
TTL, R
out
>1 k
Ω
elm
see above
connector
ctrl
: ELM OUT
mon
(Monitor)
Analog output of the measured value
after digital processing.
0 ... ±10.24 V
R
out
: 2× 200
Ω
, short-circuit proof
scan
Analog mass number signal
0 ... +10.24 V
R
out
: 2× 200
Ω
short-circuit proof
Laboratory sockets, ø2 mm
Connector
ctrl
ctrl
9
5
6
1
View towards QC
D-Sub, 9-pin female
Pin
5
ELM OUT+
9
ELM OUT–
4
EXT IN–
8
EXT IN+
3
RUN IN
7
--
2
EXT PROT
6
GND D
1
GND D
CP
(Option)
Connection for CP 400
D-Sub
25 pin male
14
1
13
25
View towards QC
Pin
1
CH 1+
2
CH 2+
3
CH 3+
4
CH 4+
5
CH 5+
6
CH 6+
7
CH 7+
8
CH 8+
9
CH 9+
10
CH 10+
11
CH 11+
12
CH 12+
13
open
Pin
14
CH 1–
15
CH 2–
16
CH 3–
17
CH 4–
18
CH 5–
19
CH 6–
20
CH 7–
21
CH 8–
22
CH 9–
23
CH 10–
24
CH 11–
25
CH 12–
RS 232
Serial interface
→
25
LAN
Fiberoptic network interface for high
transmission rates and long distances
TOSLINK TODX 296, duplex
Typ JIS F07
T
R
View towards QC
T Transmit
R Receive
AO
(Option)
12 Analog outputs
0 ... ±10.24 V, 1 mA
max
12-Bit, monotonic
Gain: ± 1.7%, Offset: ±21 mV
max
R
out
: 2× 200
Ω
, short-circuit proof
Rise time: 10
µ
s to 99%
QMH/QME
Connector for QMH 400/410
or QME 125