capaNCDT 6500
Page 22
Installation and Assembly
4.9
Pin Assignment
This module is used for signal display and output when measuring, calibrating or check-
ing the system. The output voltage can be tapped at the BNC connectors of the de-
modulator boards additionally.
Fig. 19 Measuring unit with controller, preamplifier, and sensors
37-pole Sub-D connector:
1 U-Out Channel 1 13
Trigger_In
25 AGND Channel 6
2 U-Out Channel 2 14
Sync_In-8M
26 AGND Channel 7
3 U-Out Channel 3 15
Sync_Out-8m
27 AGND Channel 8
4 U-Out Channel 4
16
Sync_In-31K
28 I-Out Channel 2
5 U-Out Channel 5 17
Sync_Out-31K
29 I-Out Channel 4
6 U-Out Channel 6 18
N.C.
30 I-Out Channel 6
7 U-Out Channel 7
19
N.C.
31 I-Out Channel 8
8 U-Out Channel 8 20 AGND Channel 1 32
GND_Trigger_I
9 I-Out Channel 1 21 AGND Channel 2 33
8M
10 I-Out Channel 3 22 AGND Channel 3 34
S 8M
11 I-Out Channel 5 23 AGND Channel 4 35
31K
12
I-Out Channel 7
24 AGND Channel 5 36 S 31K
37
n. c.
1
19
20
37
Fig. 20 View: Solder pin side, 37-pole male cable connector
In addition the following should be noted when assembling the user-side power supply
and trigger cable.
Use a screened cable.
Connect the screening mesh with the connector housing.
Use a separate screened cable for the trigger signal.
Maximum cable length amounts to 3 m.
Recommended conductor cross-section 0.14 mm
2.
The EMC regulations, see Chap.
1.3
, are only satisfied if these basic conditions have
been observed.
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