E--883--4N--E
9
5. GENERAL SPECIFICATIONS
Table 5.1
Item
Description
Input
signals
Flow input
Signal name
Pulse
generator
Power to generator
Speed of
response
8V 2-wire current pulse
OPTO 01, 02 8.5VDC
Allowable
current
40mA app.
Shortcircuit
protection
circuit
provided
2kHz
Contact closure pulse
PG20
13.5VDC
50Hz
2-wire, 12VDC 3-wire
Voltage pulse
PG30,
NPG60A
（
F
）
2kHz
24VDC 2-wire
Current pulse (4/20mA)
PA14, 15, 25
NPG60A
（
E
）
24.0VDC
12VDC 2-wire
Current pulse
PG30S
13.5VDC
Open collector pulse
FlowPet-5G,
NPG60A (E3)
Temperature input
Resist. thermometer
Pt 100
Ω
at 0
°
C, 3-wire Rated current 2mA
Analog
4 to 20mADC or 1 to 5VDC
Output
signals
Pulse output
Uncorrected total flow
Static relay Capacity: 230VAC/340VDC 0.2A
Pulse width: 1ms/50ms
Corrected total flow
Output sync with flow input
signal
Open collector pulse
Alarm output
Static relay Capacity: 230VAC/340VDC 0.2A
Analog output
Corrected instant flowrate
4 to 20mADC (Max. load resistance 500
Ω
)
or 1 to 5VDC (Output impedance 250
Ω
)
Conversion accuracy:
±
0.1% of F.S.
Display type
Display: ST display (128
×
128 dots), back lighted (
※
1), (
※
2)
Information displayed: Data, units, error message simultaneously
Menu
items
Uncorrected total flow
Same as output pulse unit (m
3
, etc.)
Display capacity: 8 digits
Corrected total flow
Same as output pulse unit (m
3
(C), etc.)
Uncorr. instant flowrate
m
3
/h, etc.
Corr. instant flowrate
m
3
/h (C), etc.
Temperature
To the 2nd decimal place (when
°
C is selected.)
Meter error corr. factor To the 5th decimal place
Temp. correction factor To the 5th decimal place
Error alarm
Number of error messages
Com-
puting
range
Temperature
Pt 100
Ω
at 0
℃
Range:
−
50 to 350
°
C
Std. Span: 70
℃
4 to 20mADC or 1 to 5VDC
Std. Span
：
200
℃
Com-
puting
accuracy
Corrected total flow
±
0.2% of R.D.
Temperature
Pt 100
Ω
at 0
℃
±
0.3% of span
4 to 20mADC or 1 to 5VDC
±
0.1% of span
Clock IC battery backup
Lithium battery (Battery life: 10 years approx.)
Communication (when com.
interface is provided.)
Interface: RS485 Multipoint (Up to 16 units can be connected.)
Dedicated protocol Baud rate: 4800 bps standard 9600 bps max
Transmission cable
Use 3-conductor shielded cable to the resistance thermometer bulb.
Loop resist. 5
Ω
max. Example: 300 meters max. with 3-conductor 1.25mm
2
cable; 500 meters with 2.0mm
2
cable
Power source
85 to 264VAC, 50/60Hz or 20 to 30VDC
Power consumption
20W max.
Ambient temperature
−
10 to +50
°
C
Mounting
Panel mount
Finish
Munsell N1.5
Weight
2.5 kilograms, approx.
NOTES (
※
1): ST display stands for Super Twisted Nematic display.
(
※
2): Backlight life (luminance declined to one half of its original luminance): 2500 hours, approx.
