Operating Instructions SIPLUS CMS4000 IFN VIB-A
6.2.3
Measurement input (CH1…CH6)
In general for all 6 channels:
Chart 11 Measurement input 1 to 6 (CH1…CH6)
Specifications at TA=25ºC; Test conditions U
S
= 24V DC (rated Voltage);
unless otherwise noted;
1)
not allowed;
2)
overshoot is leading to demolition;
Measurement input
Parameter
min.
typ.
Max.
Unit
Connector
six connectors (female)
5-pin (M12)
Resolution
analog digital converter
16 bit (15 + sign)
Over voltage protection (DC) permitted for max. 60 s;
2)
± 60
V
Channel 1 and 2:
Chart 12 Measurement input 1 and 2 (CH1, CH2)
Specifications at TA=25ºC; Test conditions U
S
= 24V DC (rated Voltage);
unless otherwise noted;
1)
not allowed;
2)
overshoot is leading to demolition;
3)
only allowed for appropriate
IEPE-sensors
4)
with connected sensors by Power-Up;
5)
Pulling an pushing the sensors under voltage;
6)
damping at 40 kHz see filter characteristic
Measurement input
Parameter
min.
typ.
Max.
Unit
Input voltage (DC)
Rated voltage
- 0.75
+ 0.75
V
Quiescent point (DC) of the
sensors
8
12
V
Constant DC current feed
4
5.2
7
mA
DC - Input resistance
330
k
Ω
Input frequency
0.0001
20
6)
kHz
Coupling inputs
AC
Cross talk attenuation (CTA)
Channel to channel @ f = 1kHz;
-69
dB
Signal to noise ratio (SNR)
-57
dB
Sampling rate
each channel
192
kSPS
Down sampling rate
to parameterize with “X-Tools”
0,014 / 0,33 / 4 / 8 / 16 / 24 / 32 / 48 / 96
kSPS
0.014
96
kSPS
Accuracy 0.1 Hz til 100 Hz
Abs. (based on full scale)
- 0.7
+ 1.5
%
Accuracy 100 Hz till 1 kHz
Abs. (based on full scale)
- 4.1
- 1.9
%
Accuracy 1 kHz till 10 kHz
Abs. (based on full scale)
- 2.3
- 0.1
%
Accuracy 10 kHz till 20 kHz
Abs. (based on full scale)
- 6.6
- 4.4
%
Temperature dependency
- 1110
+ 116
ppm/K
Galvanic isolation
no; but some sensors are gal-
vanic isolated
Settling time
72
4)
115
5)
s
Cable break detection
yes
Cable short detection
yes
SIPLUS CMS4000 IFN VIB-A
Operating Instructions, 11/2014, A5E02297871A-AA
31
Siemens Parts