User manual for flow meter with pulse input SPI-94
3.
TECHNICAL DATA
Power supply voltage
(depending on version)
External fuse (required)
Power consumption
85...
230
...260V AC/DC; 50 ÷ 60 Hz
or 19...
24
...50V DC; 16...
24
...35V AC
T - type, max. 2 A
max. 4.5 VA @ 85 ÷ 260V AC/DC
max. 4.5 VA @ 16V ÷ 35V AC
max. 4.5 W @ 19V ÷ 50V DC
Inputs
COM:
zeroing of total counter:
pulse input:
fully Isolated
common (terminal no. 20)
active edge or level (terminal no. 18)
counting input with denouncing filter and pulse width
control, max. input frequency 10.0 kHz (terminal no. 16)
Input levels
low level:
high level:
0V ÷ 1V
10V ÷ 30V (about. 12 mA @ 24V)
Time between following pulses
settable from 0.1 to 39.9 sec.
Outputs
relay:
or OC-type:
sensor power supply:
active current:
0, 2 or 4 NO, 1A/250V AC (cos
ϕ
= 1)
0, 2 or 4 30mA / 30VDC / 100mW
24V +5%, -10% / max. 100 mA, stabilized
range max. 0 ÷ 24 mA, load resistance max.700
Ω
(current output is optional, for two relays version only)
Instantaneous flow range
0 ÷ 999999, plus decimal point
Frequency measurement accuracy
± 0.02% (full temperature range)
Precision of flow readout
equivalent to used flow sensor precision
Instantaneous flow precision
Selected from range: 0 ÷ 0.00000
Instantaneous flow unit
L or m
3
per min. or sec. or hour
Total flow range
over 4 x 10
9
m
3
(max. 16 digits )
Total flow precision
Selected from range: 0 ÷ 0.000
Total flow unit
L or m
3
Communication interface
RS 485, 8N1 and 8N2, Modbus RTU,
not separated
Baud rate
1200 bit/s ÷ 115200 bit/s
Display
LED, 6 digit, 13mm height, red
Data memory
non-volatile memory, EEPROM type
Protection level
IP 65 (from front, after using waterproof cover)
IP 40 (from front)
IP 20 (housing and connection clips)
5
