# User manual | MODEL: JF Plug-in Signal Conditioners M-UNIT  OUTPUT 2-input MATH FUNCTION MODULE ```MODEL: JF
Plug-in Signal Conditioners M-UNIT
 OUTPUT
2-input MATH FUNCTION MODULE
(field-programmable)
Functions & Features
• Providing temp. or pressure compensation for a gas flow,
and other arithmetic operations
• Microprocessor based
• Equation and parameters
selectable on site via hand-held programmer PU-2x
• Loop testing
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Various flowmeters
• Adding two flows
• Ratio calculation
• Calculating average temperature
50
(1.97)
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 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W: -5 – +5 V DC (Load resistance 5000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
 POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
80
(3.15)
127
(5)
mm (inch)
MODEL: JF––
ORDERING INFORMATION
• Code number: JF--
Specify a code from below for each  through .
(e.g. JF-6A-B/3)
• Parameters (e.g. K0 = 1, K1 = 0.5, K2 = 0.5, A0 = 0 %, A1 =
0 %, A2 = 0 %)
• Special output range (For codes Z & 0)
• Use Ordering Information Sheet (No. ESU-1980). Default
setting will be used if not otherwise specified.
 INPUT
Current
A: 4 – 20 mA DC (Input resistance 100 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
http://www.m-system.co.jp/
 OPTIONS
Equation (Refer to the EQUATION table)
/1: Temperature compensation for DP flowmeter (ideal gas)
/2: Pressure compensation for DP flowmeter (ideal gas)
/3: Addition/subtraction
/4: Multiplication
/5: Division
EQUATION
Equation parameters
X0: output (%) -10 – +115 %
X1 to X2: input (%) -10 – +115 %
K0 to K2: gain ±29.999
A0 to A2: bias (%) ±299.99 %
JF SPECIFICATIONS
ES-1680 Rev.7 Page 1/3
MODEL: JF
EQUATION
/1: Temperature compensation for DP flowmeter (ideal gas)
INSTALLATION
K1X1
X0 = K X +A
2 2
2
where X0 : compensated flow (linear characteristic)
X1 : uncompensated flow (square root extraction available)
X2 : temperature
/2: Pressure compensation for DP flowmeter (ideal gas)
X0 = K1X1 K2X2+A2
where X0 : compensated flow (linear characteristic)
X1 : uncompensated flow (square root extraction available)
X2 : pressure
/3: Addition/subtraction
X0 = K0 {K1 (X1+A1) + K2 (X2+A2)} + A0
/4: Multiplication
X0 = K0 (K1X1+A1) (K2X2+A2) + A0
/5:Division
X0 =
K0 (K1X1+A1)
(K2X2+A2)
+ A0
RELATED PRODUCTS
Power input
•AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
•DC: Operational voltage range: rating ±10 %,
ripple 10 %p-p max., approx. 2 W (90 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 350 g (0.77 lbs)
PERFORMANCE in percentage of span
Input accuracy: ±0.2 %
Output accuracy: ±0.2 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.8 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 to ground)
• JX configurator connection kit (model: JXCON)
• Programming Unit (model: PU-2x)
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power (non-isolated between
inputs)
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Adjustments: Programming Unit (model: PU-2x); equation
and parameters, square root extraction, zero and span, etc.
INPUT SPECIFICATIONS
• DC Current: Input resistor incorporated
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 – +20 V DC
Span: Min. 5 mV, max. 20 V
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max.; at ≥ 0.5 V
http://www.m-system.co.jp/
JF SPECIFICATIONS
ES-1680 Rev.7 Page 2/3
MODEL: JF
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
107 (4.21)
40 (1.57)
127 (5)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Isolation
+ 3
INPUT 1
*
Multiplexer
Z
Digital
Computation
S
Output
Driver
– 4
+ 5
INPUT 2
OUTPUT
2 –
7 U(+)
*
POWER
– 6
PU-2❑
1 +
8 V(–)
MODULAR JACK
SERIAL TRANSMISSION LINE
Base Socket
*Input shunt resistor incorporated for current inputs.
Specifications are subject to change without notice.
http://www.m-system.co.jp/
JF SPECIFICATIONS
ES-1680 Rev.7 Page 3/3
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