·Some details are not shown. Please refer to specification sheets for all information.

JRQ2

Plug-in Signal Conditioners M-UNIT

ENCODER POSITION TRANSMITTER
(field-programmable; built-in excitation)

Functions & Features
• Converts a two-phase forward and reverse rotation pulse signal with 90 degree phase difference into a forward and reverse position signal
• Built-in excitation
• Field-selectable input type and range
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Measuring moving distance of a machine with a rotary encoder
 

MODEL: JRQ2–[1][2]–[3][4]

ORDERING INFORMATION
• Code number: JRQ2-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
  (e.g. JRQ2-76-K/Q)
• Special output range (For codes Z & 0)
• Use Ordering Information Sheet (No. ESU-1576). Factory setting (table below) will be used if not otherwise specified.
• Specify the specification for option code /Q
  (e.g. /C01/S01)

INPUT – Field-selectable
Open collector
Voltage pulse
RS-422 line driver pulse
Two inputs (phase A and B) are required for adequate operation of the this unit.

[1] EXCITATION
1: 5 V DC @ 120 mA
4: 12 V DC @ 60 mA
7: 24 V DC @ 25 mA

[2] OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D: 0 – 20 mA DC (Load resistance 750 Ω max.)
E: 0 – 16 mA DC (Load resistance 900 Ω max.)
F: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 100 Ω min.)
4: 0 – 10 V DC (Load resistance 1000 Ω min.)
5: 0 – 5 V DC (Load resistance 500 Ω min.)
6: 1 – 5 V DC (Load resistance 500 Ω min.)
4W: -10 – +10 V DC (Load resistance 2000 Ω min.)
5W: -5 – +5 V DC (Load resistance 1000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)

[3] 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

[4] 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

RELATED PRODUCTS
• Programming Unit (model: PU-2x)
• PC configurator software (model: JXCON)
Downloadable at M-System’s 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
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (black)
Isolation: Input to DC output to alarm output to power
Overrange output: Approx. -15 to +115 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Alarm mode: High or Low
Alarm setpoint: -15 – +115 %
Alarm deadband: 0 – 20 %
Input monitor (PL1): Red LED blinks according to the input phase A.
Input monitor (PL2): Red LED blinks according to the input phase B.
Excitation adjustment: 5 – 24 V DC
Software programming: Programming Unit (model: PU-2x);
(Refer to the users manual of JXCON for the adjustments configurable with JXCON)
• Input count range
• Zero and span adjustment
• Linearization
• Alarm setpoint 
• Output fine adjustment
• Others
Adjustments: With DIP and Rotary switches.
• Input Type
• Noise Filter
• Pulse amplitude
(Refer to the instruction manual for details) 
Modular jack: Connecting the PU-2x
Input pulse sensing: DC coupled
Reset input: Resets the internal counter value (The transmitter output equivalent to 0 count when the reset input terminals are closed for 500 msec. or longer.)
Ouput at input/zero/span count overflow
Positive side: Held at the max. of 115 %
Negative side: Held at the min. of -15 %

INPUT SPECIFICATIONS
Excitation: Shortcircuit protection; approx. 440 mA (max.) at shortcircuit
Maximum frequency: 200 kHz
Maximum count range: -99999999 to +99999999
Minimum pulse width time requirement: 2.5 μsec. for both ON and OFF
Open Collector
Input requirements (Excitation: Sensing)
 5 V: Approx. 4 V / 1.0 mA
 12 V: Approx. 9 V / 2.3 mA
 24 V: Approx. 16 V / 4.7 mA
 ON resistance: ≤ 200 Ω
 OFF resistance: ≥ 200 kΩ
Detecting level:
1 V (5 V excitation)
2 V (12/24 V excitation)
(Detecting voltage in the internal circuit. For open collector input, be sure to re-adjust the voltage back to 1 V (5 V excitation) or 2 V (12/24 V excitation) if it has been changed for other input types.)
Detecting pulse edge: OFF (input monitor LED ON) to ON (LED OFF)
Voltage Pulse
Waveform
: Square or sine
Input impedance: 10 kΩ min.
Pulse amplitude: 0.1 – 100 Vp-p
Max. voltage between input terminals: 50 V
Detecting level: 0 – 5 V
(Detecting voltage in the internal circuit.)
Detecting pulse state: A pulse rise detected when the input voltage goes above the detecting level (input monitor LED ON); a pulse sink detected when it goes below
the level (LED OFF).
RS-422 Line Driver Pulse
Receiver: Conforms to RS-422
Reset Input
Sensing voltage
: 4.5 V DC
Detecting level 
ON: ≤ 1 V
OFF: ≥ 4 V

OUTPUT SPECIFICATIONS
■ DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 15 V max.
DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V
Alarm Output: Relay contact
Rated load: 125 V AC @ 0.5 A (cos ø = 1)
30 V DC @ 0.5 A (resistive load)
Maximum switching voltage: 250 V AC or 125 V DC
Maximum switching power: 62.5 VA or 60 W
Minimum load: 10 mV DC @ 1 mA
Mechanical life: 5 × 107 cycles (300 cycles/minute)
For maximum relay life with inductive loads, external protection is recommended.

INSTALLATION
Power input
AC: Operational voltage range 85 – 132 V,
47 – 66 Hz, approx. 7 VA
DC: Operational voltage range: Rating ±10 %, or 85 – 150 V for 110 V rating; ripple 10 %p-p max.; Approx. 4 W (140 mA at 24 V)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 350 g (0.77 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Alarm setpoint accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
2000 V AC @ 1 minute (input to output to power)
1500 V AC @ 1 minute (input or output or power to alarm output)
2000 V AC @ 1 minute (circuit to ground)

EXTERNAL VIEW

Refer to the instruction manual for detailed procedures.

OPERATION

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.