User manual - RATEMETER STI-N118
3.
TECHNICAL DATA
Power supply voltage
(depending on version)
External fuse (required)
Power consumption
85...
230
...260V AC/DC; 50 ÷ 60 Hz
(separated)
or 19...
24
...50V DC and 16...
24
...35V AC (separated)
T - type, max. 2 A
max. 5 VA @ 85 ÷ 260V AC/DC
max. 5 VA @ 16V ÷ 35V AC
max. 5 W @ 19V ÷ 50V DC
Pulse input
fully Isolated, with denouncing filter and pulse width
control, max. input frequency 50.0 kHz
Input levels
low level:
high level:
0V ÷ 1V
10V ÷ 30V (about. 12 mA @ 24V)
Frequency measurement accuracy
± 0.02% (full temperature range)
Rotational speed precision
Selected from range: 0 ÷ 0.00000
Rotational speed unit
rev/min., rev/sec. or rev/hour
Time between following pulses
settable from 0.1 to 39.9 sec.
Sensor power supply output
24V +5%, -10% / max. 100 mA, stabilized
Relay output
0, 1 or 2 NO 1A/250V AC (cos
j
= 1)
OC-type output
0, 1 or 2; 30mA / 30VDC / 100mW
Active current output
(optional, for one relay or one
OC-type output version only)
range max. 0 ÷ 24 mA
Load resistance max.
700
W
Passive isolated current output
(optional, for one relay or one
OC-type output version only)
range max. 2.8 ÷ 24 mA
Supply voltage
Us = 9.5 ÷ 36V
Load resistance max.
(Us – 9.5V) / 24mA [k
W
]
5
