ES-1718 Rev.12

MXF

Plug-in Signal Conditioners MX-UNIT

SIGNAL TRANSMITTER

(front configurable function module)
Functions & Features
• Converts a DC input into a standard process signal
• Field-programmable I/O range
• Easy programming via front UP-DOWN keys
with a help of 4-digit and 2-digit displays
• Square, square root, reciprocal functions
• I/O signal inversion feature
• Ratio + output bias setting
• High/low limits setting
• Isolation up to 2000 V AC
• Loop test output
• High-density mounting
Typical Applications
• Isolation between control room and field instrumentation
• Wide span adjustment for measured signals
• Securing minimum fuel flow in a combustion control loop
 

MODEL: MXF–[1][2]–[3][4]

ORDERING INFORMATION

• Code number: MXF-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
  (e.g. MXF-S1V1-M2/Q)
• Specify the specification for option code /Q
  (e.g. /C01/S01/SET)

[1] INPUT

Voltage
S1: Range -1 – +1 V DC (Input resistance 1 MΩ min.)
S2: Range -10 – +10 V DC (Input resistance 1 MΩ min.)
S3: Range -30 – +30 V DC (Input resistance 1 MΩ min.)

[2] OUTPUT

Current
Z1: Range 0 – 20 mA DC (Load resistance 600Ω max.)
Voltage
V1: Range -1 – +1 V DC (Load resistance 1000Ω min.)
V2: Range -10 – +10 V DC (Load resistance 10kΩ min.)

[3] POWER INPUT

AC Power
M2: 100 – 240 V AC (Operational voltage range 85 – 264 V,
 47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)

[4] 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
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-1718)

RELATED PRODUCTS

• Resistor module (model: REM)

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 output to power
Formula: Xo = K × F(Xi) + B
where 
  Xo = Output
  Xi = Input
  F( ) = Function
  B = Output bias
  K = Output gain
Programming: Via front keys
• Function (Proportional, Square, Reciprocal, Square root)
• Scaled range
• Input range
• Output range
• Moving average
• etc...
(Refer to the instruction manual for details)
DISPLAY
LED
: 8 mm (.31”) 7 segment, red
Number of display digits: 4 digits for DATA display; 2 digits for ITEM display
Scaling: -9999 to 9999
PV indication: Output signal in engineering unit
Overrange indication: DATA display LEDs blink at I/O overrrange or when the output limit is activated.
Power saving mode: Displays turn off if the keys are untouched for a preset time period
LEDs: Red; the PL1 turns on with negative polarity and the PL2 with programming error.

INPUT SPECIFICATIONS

INPUT
Code S1
: -1.00 – +1.00 V DC
  Operational range: -1.15 – +1.15 V DC
  Minimum increment: 10 mV
Code S2: -10.0 – +10.0 V DC
  Operational range: -11.5 – +11.5 V DC
  Minimum increment: 100 mV
Code S3: -30.0 – +30.0 V DC
  Operational range: -34.5 – +34.5 V DC
  Minimum increment: 100 mV
Notes:
-Set the 100 % input value with a larger value than the 0 % input value.
-Inverted output is available with the configuration.
-Operational range is of -15 to +115 % or in the usable range as indicated above.
Default setting:
  Code S1: -1.00 – +1.00 V DC
  Code S2: -10.0 – +10.0 V DC
  Code S3: -30.0 – +30.0 V DC

OUTPUT SPECIFICATIONS

DC Current: 0.0 – 20.0 mA DC
Operational range: 0.0 – 24.0 mA DC
Minimum increment: 0.1 mA
Default setting: 4.0 – 20.0 mA DC
DC Voltage
Code V1: -1.00 – +1.00 V DC
  Operational range: -1.15 – +1.15 V DC
  Minimum increment: 10 mV
Code V2: -10.0 – +10.0 V DC
  Operational range: -11.5 – +11.5 V DC
  Minimum increment: 100 mV
Note: Set to the 100 % output with a larger value than the
0 % output value.
Default setting: 
  Code V1: -1.00 – +1.00 V DC
  Code V2: -10.0 – +10.0 V DC

INSTALLATION

Power consumption
AC:
  approx. 3 VA at 100 V
  approx. 4.5 VA at 200 V
  approx. 5.5 VA at 264 V
DC: Approx. 3.5 W (100 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: 450 g (0.99 lb)

PERFORMANCE

Accuracy: Input + output
  Input: ±0.05 %
  Output: ±0.05 %
Min. span required to ensure the accuracy:
20 % of the nominal I/O range
Display accuracy: Input accuracy ±1 digit
(with 0.0 – 100.0 scaling)
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 to ground)

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
Low Voltage Directive 
  EN 61010-1
  Installation Category II
  Pollution Degree 2
  Input or output to power: Reinforced insulation (300 V)
  Input to output: Basic insulation (300 V)
RoHS Directive

EXTERNAL VIEW

Refer to the instruction manual for detailed procedures.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM