SHINKAWA MODEL VM-52 BOTTOM HOLD MONITOR
MODEL VM-52 BOTTOM HOLD MONITOR
onitor range Input signal Frequency response Polarity
*1 Recorder output Alarm reset
(DANGER)
Alarm reset
(ALERT)
Alarm reset
(OK)
1 0 to +2.0mm 1 VK-452A,FK-452F 0 1 to 500Hz 1 Direct 0 4 to 20mADC 0 AUTO-RESET 0 AUTO-RESET 0 AUTO-RESET
2 0 to +3.0mm 2 Reverse 1 1 to 5VDC 1 SELF-HOLD 1 SELF-HOLD 1 SELF-HOLD
3 0 to +4.0mm
2
Output card
/IS or /RE
option
4 0 to +4.5mm
Relay mode
(DANGER)
Relay mode
(ALERT)
Relay mode
(OK)
Alarm delay time
(DANGER)
Alarm delay time
(ALERT) Alarm output type
0 NORMALLY
DE-ENERGIZED 0 NORMALLY
DE-ENERGIZED 0 NORMALLY
DE-ENERGIZED
0 3 s 0 3 s 0 CH1 : 2 points (DANGER1,ALERT1)
CH2 : 2 points (DANGER2,ALERT2) 1 1 s 1 1 s
NORMALLY
ENERGIZED 1 NORMALLY
ENERGIZED 1 NORMALLY
ENERGIZED
2 6 s 2 6 s 3 None 3 None
Isolate output Recorder option
output
Input power supply
requirements*2
Tropical
spec.
Sensitivity
correction
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 2 FM
2 0 to -10VDC 4 0 to -5VDC 2 110VDC 4 CSA
3 0 to 10VDC 5 0 to 5VDC 5 ATEX
4 0 to -5VDC
5 0 to 5VDC
When recorder output code 2 is
selected, specify this option code.
ALARM SET VALUE H-DANGER1 :
H-ALERT1 :
L-ALERT1 :
L-DANGER1 :
H-DANGER2 :
H-ALERT2 :
L-ALERT2 :
L-DANGER2 :
Unless specified otherwise, preset to :
H-DANGER : 80% of monitor range
H-ALERT : 60% of monitor range
L-ALART : Invalid
L-DANGER : Invalid
ALAMR INDICATOR DANGER : (red LED)
ALERT : (yellow LED)
ABNOR. ALAMR
INDICATOR
OK : (green LED)
BYPASS INDICATOR BYPASS : (red LED)
TRANSDUCER INPUT PK-452P,VK-452A,FK-452F
Number of input points : 2 points
INPUT IMPEDANCE Approx.50k
EXTERNAL CONTACT
INPUT
(FROM REAR PANEL)
BAR GRAPH METER
ZERO SHIFT
DIGITAL METER
Contact type:Dry contact
Contact for external reset
Contact for operation/stop signal
Recorder output conversion accuracy ± 2.5% of F.S.
0 to 100% of monitor range
Recorder output conversion accuracy ± 1.0% of F.S. OTHERS
RECORDER OUTPUT
CONVERSION
ACCURACY
± 1.0% of F.S. at 25°C
± 2.0% of F.S. at 0 to 65°C
Standard Specifications
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
ALARM SET POINT 8 points (H-DANGER1,H-ALERT1,L-ALERT1,L-DANGER1,
H-DANGER2,H-ALERT2,L-ALERT2,L-DANGER2)
ALARM SET RANGE -10% 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 : -0.8 to -22VDC
Output impedance : 100 (load resistance 50k or more)
ALARM SET
REPEATABILITY
± 0.1% of F.S. or less
ALARM OUTPUT 5 points (ALERT1,ALERT2,DANGER1,DANGER2,OK) or
6 points (ALERT1,ALERT2,DANGER1,DANGER2,OK1,OK2)
TEMPERATURE
RANGE
Operating temperature : 0 to 65°C
Storage temperature : -30 to +85°C
Relative humidity : 20 to 95%RH (noncondensing) MEASURED VALUE LCD digital meter with 5 digits (7 segments,with back light)
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
simultaneously.
MATERIAL AND
FINISH
Face plate : Aluminum Munsell N-4.0 (equiv.)
MASS Monitor : max.0.7kg
(including single unit instrument rack max.2.5kg)