E-882-4-E
1
13. GENERAL SPECIFICATIONS
Table 13.1
Item
Description
Input
signals
Flow input
Signal name
Pulse
generator
Power to generator
Speed of
response
2-wire, 12VDC 3-wire
contact-closure pulse
−
13.5VDC
Allowable
current
40mA app.
Shortcircuit
protection
circuit
provided
50Hz
2-wire, 12VDC 3-wire
voltage pulse
−
13.5VDC
2kHz
24VDC 2-wire
current pulse (4/20mADC)
PA15, 25
24.0VDC
2-wire, 12VDC 3-wire
open collector pulse
−
13.5VDC
32VDC 3-wire
open collector pulse
PA11
32.0VDC
Temperature input
Resist. thermometer
Pt 100
Ω
at 0
°
C, 3-wire Rated current 2mA
Analog
4 to 20mADC or 1 to 5VDC
Pressure input
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), backlighted (
※
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
(nor), etc.)
Uncorr. instant flowrate m
3
/h, etc.
Corr. instant flowrate
m
3
/h (nor), etc.
Temperature
To the 2nd decimal place (when
°
C is selected.)
Pressure
To the 4th decimal place (when MPa is selected.)
Correction factor
To the 4th decimal place
Meter error corr. factor To the 5th decimal place
3
α
correction factor
To the 4th decimal place
T/P correction factor
To the 4th decimal place
Quadratic corr. factor
To the 4th decimal place
Error alarm
Number of error messages
Com-
puting
range
Temperature
Pt100
Ω
at 0
℃
Range:
−
50 to
＋
350
°
C Std. Span: 70
℃
4 to 20mADC or 1 to 5VDC
Std. Span
：
200
℃
Pressure
0 to 3MPa Standard span: 1/2Pmax. to Pmax., 1/5Pmax. to Pmax. (
※
3)
Com-
puting
accu-
racy
Corrected total flow
1/2Pmax. to Pmax.
±
0.2% of R.D.
1/5Pmax. to Pmax.
±
0.5% of R.D.
Temperature
Pt 100
Ω
at 0
℃
±
0.3% of span
4 to 20mADC or 1 to 5VDC
±
0.1% of span
Pressure
±
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 its original luminance): 2500 hours, approx.
(
※
3): Pmax. to be a value corresponding to 20mA (or 5V) in pressure input.
