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iDRX-FP SPECIFICATIONS
INPUT TYPE:
Min. Low level signal input (magnetic
pickups) : From 0 mV to 120 mV
Open Collector NPN (Use software to set:
3 KΩ pull up to 5V): Max. current source = 1.66 mA
Open Collector PNP (Use software to set: 1KΩ pull down
to RTN):
Max. current sink = 12.5 mA
TTL/CMOS Input: (Use software to set: no pull up/down).
Low <= 0.8 V , High >= 3.5 V (For Input: 0.2 Hz to 16 KHz)
Low <= 0.8 V , High >= 12 V ( For Input: 0.2 Hz to 50 KHz )
NAMUR Sensors (Use software to set: 1KΩ pull down to RTN
and 8.2V Excitation.)
For measuring a low level signal riding on
top of a large DC signal, connect a 0.1 uF
capacitor. See Detail.Use software to set
1KΩ pull down to RTN.
OPERATING MODES:
Frequency: Range = 0.2 Hz to 50 KHz
Max. Input Frequency: 30 KHz. for Input Level: 0-5 V
Max. Input Frequency: 50 KHz. for Input Level: 0-12 V
FREQUENCY
RESOLUTION
0 to 9.99999 Hz
0.00001 Hz
10 to 99.9999 Hz 0.0001 Hz
100 to 999.999 Hz 0.001 Hz
1000 to 9999.99 Hz
10000 to 50000.0 Hz
0 to 50000 Hz
1 Hz
Range = 0 to 999999*, if reading is larger than 999999,
Totalize with Reset:
then reading is converted to floating point number, i.e.
9.99E9 (maximum).
Max. Input Frequency: 30 KHz. for Input Level: 0-5 V
Max. Input Frequency: 50 KHz. for Input Level: 0-12 V
Range = -99999 to 999999*, if reading is larger than
A-B Totalize (Reset input used as +A input):
999999, then reading is converted to floating point number,
i.e. -9.99E9 (minimum), 9.99E9 (maximum).
Max. Input Frequency: 30 KHz. for Input Level: 0-5 V
Max. Input Frequency: 25 KHz. for Input Level: 0-12 V
120mV
ø
1
2
0.1uF
0.01 Hz
0.1 Hz
Range= -99999 to 999999*, if reading is larger than
Quadrature (Reset input used as second input):
999999, then reading is converted to floating point number,
i.e. -9.99E9 (minimum), 9.99E9 (maximum).
Max. Input Frequency: 30 KHz. for Input Level: 0-5 V
Max. Input Frequency: 25 KHz. for Input Level: 0-12 V
* Resolution is 1 count.
ISOLATION:
Dielectric strength per 1 minute test based on
EN 61010 for 50 Vdc or Vrms working voltage.
Three way Isolation:
• Power to input 1800V Peak
• Power to analog output/communication 1800V Peak
• Input to analog output/communication 1400V Peak
Input: 1MΩ to +EXC
INPUT IMPEDANCE:
Reset: 100K to +5V
3
4
With 1K pull down: 14V
INPUT OVER-VOLTAGE PROTECTION:
With 3K pull up: 20V
Without pull up/down: 60V
5, 8.2 or 12.5V at 25mA, programmable
EXCITATION:
± 0.1% of FS Crystal time base accuracy: ± 50 ppm
ACCURACY AT 25 °C:
± 50 ppm/°C typical
TEMPERATURE STABILITY:
0.1 second to 99% of the final value
STEP RESPONSE FOR RS485 OUTPUT:
(Filter time constant = 0, Gate time = 0.05 Sec)
To verify the response time, check the carriage return <CR>,
RESPONSE TIME:
it will be sent at the end of the response. You can send
another command after you receive the <CR>.
i.e.
send: *01X01
response: 01X01<DATA><CR>
Note: Only for reading (X01 command).
01 is address.
Frequency mode: response time is controlled by the gate
time. If gate time is increased then response time is
longer. Other modes: response time is not controlled by
the gate time.
WARM UP TO RATED ACCURACY: 30 minutes
INPUT POWER: 10 to 32 Vdc
POWER CONSUMPTION: 3 Watts (125mA at 24Vdc)
OPERATING AMBIENT: -5 to +55 °C
STORAGE TEMPERATURE: -40 to +85 °C
RELATIVE HUMIDITY: 90% at 40 °C non-condensing
Page 24
Time base stability: ± 1ppm/°C
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