MODEL: JFR2

JFR2 SPECIFICATIONS

ES-1581 Rev.10 Page 1/5

http://www.m-system.co.jp/

Plug-in Signal Conditioners M-UNIT

FREQUENCY SCALER

(field-programmable; built-in excitation)

Functions & Features

• Scales input frequency

• Various outputs (open collector, voltage pulse, Noncontact

AC/DC switch, RS-422 line driver)

• Built-in excitation

• Scaling factor is user-programmable by simply setting

input and output frequencies via handheld programmer

PU-2x

• Isolation up to 2000 V AC

Typical Applications

• Scaling frequency signals from a rotary encoder

50

(1.97)

127

(5)

80

(3.15)

mm (inch)

MODEL: JFR2–[1][2][3]–[4][5]

ORDERING INFORMATION

• Code number: JFR2-[1][2][3]-[4][5]

Specify a code from below for each of [1] through [5].

(e.g. JFR2-4P1-K/Q)

• Use Ordering Information Sheet (No. ESU-1581). Default

setting (table below) will be used if not otherwise specified.

• Specify the specification for option code /Q

(e.g. /C01/S01)

Factory default setting

PARAMETER

DEFAULT

Input

Open collector

Input pulse amplitude

---

Noise filter

Low

1V (5V excitation)

2V (12V/24V excitation)

Input span frequency

1000 Hz

Output span frequency

20 Hz (output code R)

1000 Hz (all other codes)

Low-end cutout

3 Hz

Non-uniform wave averaging

1 (No averaging)

One-shot pulse logic

400 µsec. (20ms for output signal R)

*1. Internal voltage

One-shot pulse width

H

OFF

INPUT – Field-selectable

Open collector

Mechanical contact

Voltage pulse

Two-wire current pulse

RS-422 line driver pulse

[1] EXCITATION

1: 5 V DC @ 120 mA

4: 12 V DC @ 60 mA

7: 24 V DC @ 25 mA

[2] OUTPUT

A: Open collector (max. 10 kHz)

M: 5V pulse (max. 10 kHz)

N: 12 V pulse (max. 10 kHz)

P: 24 V pulse (max. 10 kHz)

J: RS-422 line driver pulse (max. 10 kHz)

R: Noncontact AC/DC switch (max. 20 Hz)

( ) = Max. frequency

[3] OUTPUT PULSE WIDTH

1: No conversion to one-shot

3: One-shot output (std. pulse width 400 μsec. (20 msec. for output signal R))

(Specify when optional pulse width is required.)

[4] POWER INPUT

AC Power

K: 85 – 132 V AC

DC Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

P: 110 V DC

[5] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel