Masibus Automation VMS4SE User Manual

User Manual 13
VMS4SE(Vibration Monitor)
REF NO: mVMA/om/101
Issue No: 01
3. HARDWARE SPECIFICATION
3.1 Vibration Input Specification
NO. OF CHANNEL
4,8 & 12
ACCELEROMETER INPUT
Remote ICP piezoelectric Accelerometer
Sensitivity: 100 mV/g ±10%
Dynamic range: 80 g pk
INPUT TYPE
As specified in Table 4
SENSOR EXCITATION
CURRENT
4mA, Voltage: 21VDC
CUT-OFF FREQUENCY
2.5Hz, 5 Hz or 10Hz (Internal Switch selectable) to
1 KHz, 2.5 KHz or 10 KHz (Internal Switch selectable)
Vibration
Input Type
Range
Accuracy
Resolution
Acceleration
RMS
0 – 50.0 g
+ 2% of instrument range + 1 digit
0.1mm
Acceleration
PK
Acceleration
PK-PK
Velocity RMS
0 – 99.9 mm/s
Velocity PK
Velocity PK-PK
Displacement
PK-PK
0 – 2000 um
1um
3.1.1 Input Specification(Optional)*
NO. OF CHANNEL
8
APPLICABLE STANDARDS
DIN (ITS-90) for Thermocouple and RTD
INPUT TYPE
As specified in Table 4.
SAMPLING PERIOD PER
INPUT
50 ms for TC and Linear Input and 100 ms for RTD
RESOLUTION
17 bit
BURNOUT CURRENT
0.4 µA
MEASUREMENT CURRENT
250 µA
INPUT IMPEDANCE
>1 Mohm for RTD/Voltage inputs, 250ohms for current Input
NOISE REJECTION RATIO
 NMRR Normal mode rejection ratio) > 40 dB (50/60 Hz) or
more
 CMRR (Common mode rejection ratio) >120 dB (50/60 Hz) or
more
ALLOWABLE WIRING
RESISTANCE FOR RTD
Maximum 15 ohms/wire (Conductor resistance between three wires
should be equal).
Input Range for RTD (PT-100, CU53 and NI120), TC and Linear input:
Table 4 Input types, their ranges, accuracy and resolution
Analog Input
Type
Range
Accuracy
Resolution
E
-200 to 1000C
+ 0.1% of instrument range + 1 digit
0.1C
J
-200 to 1200C
K
-200 to 1370C
T
-200 to 400C

Masibus Automation VMS4SE Specifications

General

Brand	Masibus Automation
Model	VMS4SE
Category	Monitor
Language	English