ES-3473 Rev.14

HJPA

Space-saving Plug-in Signal Conditioners H-UNIT

FREQUENCY TRANSMITTER

(field-programmable)
Functions & Features
• Converting the output from a pulse-type transducer into a standard process signal
• Micro-processor based
• Field-programmable frequency range
• Linearization available for flow compensation
• Averaging non-uniform pulses
• Excitation
• Loop testing via hand-held programmer PU-2x
• Highdensity mounting
Typical Applications
• Positive displacement flowmeters, turbine flowmeters and vortex flowmeters
• Proximity switches
• Oval flowmeters

MODEL: HJPA–[1][2]–R[3]

ORDERING INFORMATION

• Code number: HJPA-[1][2]-R[3]
Specify a code from below for each of [1] through [3].
  (e.g. HJPA-3A-R/Q)
• Frequency range (e.g. 0 – 152.3 Hz)
• Linearization data (max. 16 points)
Use Ordering Information Sheet (No. ESU-1673) to specify linearization data when the I/O signals are non-linear.
• Specify the specification for option code /Q
  (e.g. /C01/S01)
Note: Consult factory on applications with a sensor handling periodically (& quickly) changing frequency (e.g. oval flowmeter).

[1] INPUT

1: Open collector (Excitation: 12 V @ 30 mA)
2: Voltage pulse (Excitation: 12 V @ 30 mA)
3: Mechanical contact (Excitation: 12 V @ 30 mA)

[2] OUTPUT

Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
6: 1 – 5 V DC (Load resistance 500 Ω min.)

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[3] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

RELATED PRODUCTS

• Programming Unit (model: PU-2x)
• PC configurator software (model: JXCON)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC.  Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Overrange output: -10 – +120 % at 1 – 5 V
(0 – 120 % when 0 % input equals to 0 Hz.)
Linearization: 16 points max. represented as percentage of full-scale
Adjustments: Programming Unit (model: PU-2x); input range, low-end cutout, zero and span, simulating output, averaging nonuniform pulses, linearization data, etc.
(Refer to the users manual of JXCON for the adjustments configurable with JXCON.)
Low-end cutout: 0 – 100 % adjustable (factory set to 0 %); hysteresis fixed to 1 %

INPUT SPECIFICATIONS

Excitation: 12 V DC @30 mA; shortcircuit protection
Pulse width (time) requirement: 10 msec. min. at
< 20 Hz; duty ratio 20 – 80 % at ≥ 20 Hz
Offset: Max. 3 times span
■ Open Collector
Frequency range: 0 – 0.01 Hz through 25 kHz
  (0 – 1 kHz will be used if not otherwise specified)
Sensing: Approx. 12 V DC @ 3 mA
ON/OFF level: ≤ 800 Ω / 2 V for ON, 
≥ 1.2 kΩ / 3.6 V for OFF
■ Mechanical Contact
Frequency range: 0 – 0.01 Hz through 5 Hz
  (0 – 5 Hz will be used if not otherwise specified)
Sensing: Approx. 12 V DC @ 3 mA
ON/OFF level: ≤ 800 Ω / 2 V for ON, 
≥ 1.2 kΩ / 3.6 V for OFF
■ Voltage Pulse: Square or sine waveforms
Frequency range: 0 – 0.01 Hz through 25 kHz
 (0 - 1 kHz will be used if not otherwise specified.)
Input amplitude: 2 – 50 Vp-p
Input impedance: 10 kΩ min.

INSTALLATION

Current consumption: Approx. 90 mA
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available
Weight: 220 g (0.49 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.1 % with segment gain ≤ 1 [±0.1 % × gain] with segment gain > 1
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: 0.5 sec. + 1 pulse cycle (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 500 V AC @ 1 minute
(input to output to power)
1500 V AC @ 1 minute (input or output or power to ground)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM