l
27
© Brüel & Kjaer Vibro GmbH/4 mm ds821 / 21.7.15 /technical specifications subject to change / C104958.001/V02
EN
4 mm displacement sensor system series ds821
Instructions
| Functional check
5
Functional check
Observe the safety information in chapter Safety!
5.1
Quick check
After installing the displacement sensor system, you can check the measured values using a
digital multimeter (R
i
≥ 100 kΩ). If the displacement sensor system is in correct operating condi-
tion, you will see the following values:
If you the readings you receive deviate from these, proceed in accordance with the following
recommended sequence:
Operating voltage U
B
Output signal U
SIG
Load resistance of
the electronic diag-
nostic system R
L
Operating current I
B
-24 V DC
-2…-18 V DC
>100 kΩ
-8,7 mA ±1 mA
1
Sensor
ds821-
od 130
2
3
4
-DC
COM
SIG
0,5...
max.
4,5 mm
5
6
7
8
0 V
-24 V
COM
SIG
A /
RC-600
VC-6000
B /
RC-600
/ Xx01
1
2
3
4
0 V
-24 V
COM
SIG
