ES-5170 Rev.3

M2EXDY

Super-mini Signal Conditioners with
Display Mini-M M2E Series

CURRENT LOOP SUPPLY

(PC programmable)
Functions & Features
• Adjustments with the front button
• OEL display with good visibility
• Microprocessor based
• Shortcircuit protection
• Segment linearization, square root extraction configurable
• Usable as Isolator for 4 – 20 mA DC signals
Typical Applications
• Various 2-wire transmitters

MODEL: M2EXDY–[1][2]

ORDERING INFORMATION

• Code number: M2EXDY-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. M2EXDY-M2/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01/SET)

INPUT

Current
4 – 20 mA DC (Input resistance 250 Ω)
(Selectable within 0 – 20 mA DC)

OUTPUT – Field-selectable

◆ DC Output
• Current output: 0 - 20 mA DC
• Voltage output: -5 - +5 V DC
• Voltage output: -10 - +10 V DC

[1] 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.)

[2] 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-5170)
Default setting will be used if not otherwise specified.

RELATED PRODUCTS

• M2E configurator software (model: M2ECFG)
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 (EM-5147) for the M2E configurator for applicable cable types.

GENERAL SPECIFICATIONS

Construction: Plug-in
Connection: M3 screw terminals (torque 0.8 N·m)
Screw terminal: Chromated steel (standard) or stainless steel
Housing material: Flame-resistant resin (gray)
Isolation: Input to output to power
Overrange output: Approx. -7.5 to +107.5 % (Not available for current output not greater than 0 mA)
Zero fine adjustment: -5 to +5 % (front button)
Span fine adjustment: 95 to 105 % (front button)
Output setting: DIP Switch on side panel (refer to the instruction manual)
Configuration: Program with front buttons or Via PC.
Programmable features include: Refer to the parameter list.
Configurator connection: 2.5 dia. miniature jack;
RS-232-C level

DISPLAY

Display functions: Displays and sets measured range, engineering unit
Display size: Approx. 15.6 × 20.8 mm (0.61” × 0.82”)
Number of pixels: 68 × 95 (horizontal × vertical)
Character color: Yellow
Display life: Approx. 60000 hours
(Expected time for the Display brightness to be reduced to 50 % when the Display is used continuously with brightness setting 2 in 25 ℃)
Display type: OEL display
Display digit: Negative 5 digits, positive 6 digits (-99999 to 999999)
Decimal point position: Selectable

SUPPLY OUTPUT

■ SUPPLY OUTPUT (across the terminals 1 – 2)
Output voltage: 24 – 28 V DC with no load
19 V DC minimum at 20 mA
Current rating: ≤ 22 mA DC
Permissible load resistance:
LR (Ω) ≤ (19 – Min. Operational Voltage)V ÷ 0.02 A
• Shortcircuit Protection
Current limited: 35 mA max.
Protected time duration: No limit

INPUT SPECIFICATIONS

■ DC Current
Input resistance: Incorporated (250 Ω)
Input range: 0 - 20 mA DC
Minimum span: 1 mA DC
The measurement available for -7.5 - +107.5% of input setting range.

OUTPUT SPECIFICATIONS

■ DC Current
Output range: 0 – 20 mA DC
Conformance range: 0 – 21.5 mA DC
Minimum span: 1 mA
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 15 V max.
(Not available to output less than 0 mA, output range may not be extended to -7.5 %)
■ DC Voltage
Output range: -5 - +5 V DC, -10 - +10 V DC
Conformance range: -5.75 - +5.75 V DC, -11.5 - +11.5 V DC
Minimum span: 250 mV, 1 V
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 1 mA max.

LINEARIZATION

■ Linearization Types
Linear: Proportional to the input
Square root: The input is square root extracted.
User's table: Segment linearization
Calibration points: Max. 128 points; the input % and linearized value in scaling are specified in pairs.
Selectable range: -7.5 to +107.5 % as input %; -7.5 to +107.5 % as output)
■ Low-end Cutout:Low-end cutout (Low Cut) point selectable within the range of 0 to 100 %.
With linear or segment linearization,
the output signal is forcibly set to 0 % for the input lower than the low-cut point. With the square root extraction, the output signal is linear to the input when the latter is lower than the low-cut point.

INSTALLATION

Power Consumption
•AC:
≤ 7 VA at 100 V
≤ 10 VA at 200 V
≤ 12 VA at 264 V
•DC: ≤ 4 W
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 10 to 85 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: Approx. 200 g (0.44 lb)

PERFORMANCE

Accuracy: Input accuracy + output accuracy
See CALCULATION EXAMPLES OF OVERALL ACCURACY.
Inversely proportional to the setting span.
Except the accuracy of input resistor.
Input accuracy: (% of max. input range)
Input accuracy differs depending on the linearization type.
Linear: ±(0.04 % of FS)
Square root extraction (1 % or more of input): ±(0.1 % of FS)
Segment linearization:
±(0.04 % of FS) [gain ≤ 1]
±(0.04 % x gain of FS) [gain > 1]
Display accuracy:
Input display: Input accuracy ±1 digit
Output display: Input accuracy + output accuracy ±1 digit
Output accuracy: ±0.04 % of max. output range
Temp. coefficient (% of max. I/O range): ±0.015 %/°C (±0.008 %/°F)
Response time (filter time constant: 0 sec.): ≤ 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)

CALCULATION EXAMPLES OF OVERALL ACCURACY

[Example] Input Range: 0 – 20 mA, Input Setting: 4 – 20 mA, Output Range: 0 – 20 mA, Output Setting: 4 – 20 mA (when the linearization type is linear)
■ Overall accuracy
• Input Accuracy = Input Range Span (20 mA) ÷ Input Span Setting (16 mA) × 0.04 % = 0.05 %
• Output Accuracy = Output Range Span (20 mA) ÷ Output Span Setting (16 mA) × 0.04 % = 0.05 %
Overall Accuracy = 0.05 + 0.05 = ±0.10 %

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