SHINKAWA MODEL VM-5U DUAL SEISMIC MONITOR

MODEL VM-5U DUAL SEISMIC MONITOR
onitor range Input signal Low cut-off frequency *2 High cut-off
frequency *2 Rectification Recorder output Alarm reset
(DANGER)
Alarm reset
(ALERT)
Alarm reset
(OK)
1 0 to 10mm/s pk 1 CV-851*5 1 10Hz or less 1 100Hz 0 Average value 0 4 to 20mADC 0 AUTO-RESET 0 AUTO-RESET 0 AUTO-RESET
2 0 to 20mm/s pk 2 CV-86 2 20Hz 2 200Hz 1 pk-pk 1 1 to 5VDC 1 SELF-HOLD 1 SELF-HOLD 1 SELF-HOLD
3 0 to 50mm/s pk 3 CV-87*5 3 50Hz 3 500Hz 2 rms
(additional spec./RMS) 2
Output card
/IS or /RE
option

4 0 to 100m pk-pk 4 CV-852*5 4 9.5Hz Seismic filter
*3 4 1kHz
5 0 to 200m pk-pk 5 14Hz Seismic filter
*3 5 2kHz
6 0 to 500m pk-pk 6 15Hz Seismic filter
*3 6 5kHz
7 0 to 10mm/s rms
*1 7 40Hz(36dB/oct)
Pipe filter *3
7 10kHz
8 0 to 20mm/s rms
*1
A 0 to 50mm/s rms
*1 8 60Hz(36dB/oct)
Pipe filter *3

B 0 to 0.5in/s pk
C 0 to 1in/s pk
D 0 to 2in/s pk
E 0 to 5mils pk-pk
F 0 to 10mils pk-pk
G 0 to 20mils pk-pk
H 0 to 0.5in/s rms
*1
J 0 to 1in/s rms
*1
K 0 to 2in/s rms
*1

Relay mode
(DANGER)
Relay mode
(ALERT)
Relay mode
(OK)
Alarm delay time
(DANGER)
Alarm delay time
(ALERT) Alarm output type First out*4
0 NORMALLY
DE-ENERGIZED 0 NORMALLY
DE-ENERGIZED 0 NORMALLY
DE-ENERGIZED
0 3 sec. 0 3 sec. 1 CH1 : 2 points (DANGER1,ALERT1)
CH2 : 2 points (DANGER2,ALERT2)
0 OFF
1 1 sec. 1 1 sec. 1 ON
1 NORMALLY
ENERGIZED 1 NORMALLY
ENERGIZED 1 NORMALLY
ENERGIZED
2 6 sec. 2 6 sec.

4 points (DANGER1,DANGER2,
ALERT1,ALERT2)
CH2 : None
3 None 3 None
rms. rectification Isolate output Recorder option
output
Input power supply
requirements*6
Tropical
spec.
Sensitivity
correction
When rectification code 2 is
selected, specify this option
code.
0 4 to 20mADC 2 0 to -10VDC 0 85 to 264VAC 1 TIIS(IEC)
1 1 to 5VDC 3 0 to 10VDC 1 24VDC 7 NEPSI
2 0 to -10VDC 4 0 to -5VDC 2 110VDC 8 KTL
3 0 to 10VDC 5 0 to 5VDC
4 0 to -5VDC
5 0 to 5VDC
ALARM SET VALUE DANGER1 :
ALERT1 :
DANGER2 :
ALERT2 :
Unless specified otherwise, preset to :
DANGER : 100% of monitor range
ALERT : 90% of monitor range
ALARM INDICATOR DANGER : (red LED)
ALERT : (yellow LED)
ABNOR.ALARM
INDICATOR
OK : (green LED)

BYPASS INDICATOR BYPASS : (red LED)
TRANSDUCER INPUT CV Series
Number of input points : 2 points
SEQUENCE SET
VALUE
(to increase alarm set
value during operation of
the sequence circuit)
: ×1.0 to 10.0 (×0.1 step)
Preset to ×1.0 unless specified otherwise.
CAUTION : Set the alarm set value so that its designated
multiple is within 110% of the measurement range
during operation of the sequence circuit.
If set to more than 110%, alarm may not be output.
INPUT IMPEDANCE Approx.10k (CV-851 input)
Approx. 50k (CV-852, CV-86, CV-87 input)
EXTERNAL CONTACT
INPUT
(FROM REAR PANEL)
Contact type:Dry contact
Contact for external reset
Contact for sequence
BAR GRAPH METER Recorder output conversion accuracy ±2.5% of F.S.
SUPPRESSION
FUNCTION SET VALUE
: 0.0 to 10.0 % of monitor range (0.1 % step)
Preset to 2.0 % unless specified otherwise.
CAUTION : When the measurement value is not more than
suppression function set value, indication and
recorder output value shall be as 0 %.
DIGITAL METER Recorder output conversion accuracy ±1.0% of F.S.
RECORDER OUTPUT
CONVERSION
ACCURACY
±0.5% of F.S. at calibration frequency at 25°C
±2.0% of F.S. at calibration frequency at 0 to 65°C
(the calibration frequency is determined by the cut-off
frequency range.)
OTHERS RECORDER OUTPUT
(FROM REAR PANEL)
Voltage or current output proportional to monitor range
1 to 5VDC (output impedance : 250)
4 to 20mADC (max.load resistance : 500)
0 to -10VDC*,0 to 10VDC*,0 to -5VDC*,0 to 5VDC*
(output impedance : 100) (*option)
Number of output points : 2 points
Standard Specifications
ALARM SET POINT 4 points (DANGER1,ALERT1,DANGER2,ALERT2)
ALARM SET RANGE 0 to 110% of monitor range
ALARM SET
ACCURACY
±1.0% of F.S. or less
MONITOR OUTPUT
(FROM FRONT, REAR
PANEL)
Input signal is output via a buffer amplifier.
Signal level : ±15V (CV-85,CV-87 Input)
0.8 to 22VDC (CV-86 Input)
ALARM SET
REPEATABILITY
±0.1% of F.S. or less
ALARM OUTPUT 5 points (DANGER1,ALERT1,DANGER2,ALERT2,OK) or Output impedance : 100 (load resistance : 50k or more)
6 points (DANGER1,ALERT1,DANGER2,ALERT2,OK1,OK2) TEMPERATURE Operating temperature : 0 to 65°C(32 to 149°F)
MEASURED VALUE LCD digital meter with 5 digits (7 segments, with back light) RANGE Storage temperature : -30 to +85°C(-22 to +185°F)
LCD bar graph meter (40 segments, with back light)
* Measurement value and alarm set value are indicated on
the digital meter and bar graph meter