JH7010I: Frequency Input, Input/Output Isolated
Model JH7010I provides a DC output proportional to the input signal’s frequency or pulse rate. A fixed range device, it is precisely calibrated to your specified ranges at the factory. (For a rangeable transmitter see Model JH7580.)
The JH7010I accepts input amplitudes from 25mV (50mV pk-pk - see specifications) to 350V peak without recalibration. A sensitivity adjustment provides optimum tradeoff between sensitivity and noise rejection for each application. Pin connections allow the selection of two options: a pullup resistor for dry-contact or open-collector inputs and a built-in DC excitation supply (approx. 18V) for low-current DC proximity sensors (25mA max).
Red-green Quick-Check LEDs give a quick indication of the relative output. Red is brighter at the low end, green at high, while at mid-scale both are approximately equal. Red-only indicates offscale low while green-only indicates offscale high.
Available options include AC or DC power choices and reverse-action Option RT (decreasing output with increasing input).
Select JH7010I-AC for AC power, JH7010I-DC for DC power.
Specify any frequency range allowed by the "Input Capabilities" spec, below.
The adjustment is normally factory-set for maximum sensitivity. If you wish a specific setting, please specify it on your order. (See specifications.)
Specify any DC voltage or current range allowed by the "Output Capabilities" spec, below.
Specify 115Vac, 230Vac, 12Vdc or 24Vdc.
Decreasing output with increasing input. Specify Option RT.
Specify Option "U"
The JH7010I plugs into any standard 8-pin circular ("octal") relay socket. JH Technology offers a socket suitable for DIN-rail or surface mounting (see the Accessories page). Pin connections are:
Minimum span 10 Hz. Maximum frequency 100kHz. Low-end input may be zero, or may be as high as 2.5 x span (for example, 20Hz span with 50Hz elevation, for 50/70Hz range).
(Input Impedance: 200kohms or greater.)
350V peak (700V pk-pk, 250V rms sine wave) maximum.
Maximum Sensitivity (full clockwise): 50mV pk-pk for frequencies below 1kHz. Increases with frequency to 1V pk-pk at 100kHz.
Minimum Sensitivity (full counterclockwise):8V pk-pk for frequencies below 1kHz. Increases with frequency to 20V pk-pk at 100kHz.
10Kohms to +9V. Jumper pins 4 and 5 to activate.
Approx. 18Vdc, unregulated, 25mA max current. Available at pin 2.
1 volt minimum output span, -10 to +15V absolute limit. Offset ranges are allowed. Maximum output load, 10mA (1Kohm at 10V output).
1mA minimum output span, 0 to +25mA absolute limit. Positive offsets are allowed, negative outputs are not. Output drive capability, 24V (1,200 ohms max. at 20mA output).
+/-0.1% of span or 10 microvolts, whichever is greater.
Zero and span each are adjustable approx. +/-15% of span.
+/-0.05% of span or better.
Power, 1,500Vac rms (2,100V peak). Input/Output, 1,000Vac rms (1,400V peak).
-10 to +60 deg. C (14 to 140 deg. F).
+/-0.02% of full-scale frequency per deg. C, or better.
AC, 115 or 230Vrms, 50/60Hz, 2.5V-A. DC, 12 or 24V, 2.5W.