FREQUENCY INPUT TRANSMITTER
PLUG-IN MODULE, FIXED RANGE

JH7010I: Frequency Input, Input/Output Isolated

    • Full Scale Frequencies from 10Hz to 100kHz
    • Expanded Scale (Elevated-Zero) Ranges Available
    • Adjustable Sensitivity Threshold
    • Pullup Resistor and Sensor Excitation Included
    • AC or DC Power Options

    JH7010I
    PDF
    DATA SHEET

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.

AC or DC power choices are available. (A reverse-acting option is not available on JH7010/7010I.)

ORDERING INFORMATION

Model Number:  

Select JH7010I-AC for AC power, JH7010I-DC for DC power.

Input Range:  

Specify any frequency range allowed by the "Input Capabilities" spec, below.

Input Sensitivity:  

The adjustment is normally factory-set for maximum sensitivity. If you wish a specific setting, please specify it on your order. (See specifications.)

Output Range:

Specify any DC voltage or current range allowed by the "Output Capabilities" spec, below.

Power:  

Specify 115Vac, 230Vac, 12Vdc or 24Vdc.

Loop-Powered Output: 4/20mA "current sink" output stage for connection to devices whose inputs provide 24Vdc loop excitation. Specify Option LPO.

INSTALLATION AND CONNECTIONS

These transmitters plug into any standard 8-pin circular ("octal") relay socket. JH Technology offers two sockets: DS008 for DIN-rail or surface mounting and ST008 for Snap-Track mounting (see the Accessories page). Pin connections are:

Pin 1:   Power (AC or, if DC power option, DC plus). 
Pin 2:   +18V (approx.) sensor excitation voltage output.
See specifications. 
Pin 3:   Power (AC or, if DC power option, DC minus). 
Pin 4:   Pullup resistor (3.9Kohms to +5V).
Jumper pins 4 and 5 together for use with dry contact or open-collector (NPN) inputs. 
Pin 5:   Frequency input. 
Pin 6:   Input common. 
Pin 7:   Output plus. 
Pin 8:  

Output minus.

DETAILED SPECIFICATIONS

Input Range Capabilities:

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.)

Input Amplitude:  

350V peak (700V pk-pk, 250V rms sine wave) maximum.

Threshold Adjustment (25 turn trimpot):  

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.

Input Pullup Resistor:

3.9Kohms to +5V. Jumper pins 4 and 5 to activate.

Input Sensor Excitation:

Approx. 18Vdc, unregulated, 25mA max current. Available at pin 2.

Voltage Output Capabilities:  

1 volt minimum output span, -10 to +15V absolute limit. Offset ranges are allowed. Maximum output load, 10mA (1Kohm at 10V output).

Current Output Capabilities:  

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).

Accuracy (factory calibration):

+/-0.1% of span or 10 microvolts, whichever is greater.

Adjustability:

Zero and span each are adjustable approx. +/-15% of span.

Linearity:  

+/-0.05% of span or better.

Isolation:

Power, 1,500Vac rms (2,100V peak). Input/Output, 1,000Vac rms (1,400V peak).

Guaranteed Operating Temperature:  

-10 to +60 deg. C (14 to 140 deg. F).

Temperature Stability:  

+/-0.02% of full-scale frequency per deg. C, or better.

Power Requirements:  

AC, 115 or 230Vrms, 50/60Hz, 2.5V-A. DC, 12 or 24V, 2.5W.

 

 
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