Pin Signal word
Signal type
Description
11
OUT 1
TTL output
25
SYNC OUT+ TTL output
Positive edge marks the start of the measurement, trigger for
oscilloscope
13
SYNC OUT-
GND
Reference signal for SYNC OUT+, above 200 Ω to GND
4
EXT IN 1+
Analog input
Connection for external measurement signal, differential, max.
±10 V, with low pass filter/amplifier
17
EXT IN 1-
Analog input
5
EXT IN 2+
Analog input
Connection for external measurement signal, differential, max.
±10 V, optionally with or without low pass filter/amplifier
18
EXT IN 2-
Analog input
6
ELM OUT+
Analog output Low pass filter/amplifier output, ±10 V, max 0.1 mA, above
200 Ω
19
ELM OUT-
GND
Reference signal for ELM OUT+, above 200 Ω to GND
7
AO MON 0+
Analog output Freely applicable output
5)
, ±10 V, 12 bit, max. 0.1mA, above
200 Ω
20
AO MON 0-
GND
Reference signal for AO MON 0+, above 200 Ω to GND
8
AO MON 1+
Analog output Freely applicable output
6)
, ±10 V, 12 bit, max. 0.1mA, above
200 Ω
21
AO MON 1-
GND
Reference signal for AO MON 1+ above 200 Ω to GND
9
SCO+
Analog output Mass number output, 0 to +10 V, 16 bit, max. 0.1 mA, above
200 Ω
22
SCO-
GND
Reference signal for SCO+, above 200 Ω to GND
12
EP OUT+
Analog output Electrometer signal, max. 0.1 mA, above 200 Ω
24
EP OUT-
GND
Reference signal for EP OUT+, above 200 Ω to GND
Tbl. 3:
CTRL pin assignment
Detector range (A)
Output voltage (V)
1 x 10
-5
8
1 x 10
-6
7
1 x 10
-7
6
1 x 10
-8
5
1 x 10
-9
4
1 x 10
-10
3
1 x 10
-11
2
1 x 10
-12
1
In the operating mode with ion counter, the output voltage is 0 V.
Tbl. 4:
Range code of the detector
Possible configurations of the intensity signal:
● Linear (±10 V / decade)
● Logarithmic (±10 V FS, 1–10 decades)
5)
In monitor mode reserved for range code of the detector
6)
In monitor mode reserved for intensity signal
Product description
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