MODEL: M1EXM-2

M1EXM-2 SPECIFICATIONS

ES-5983 Rev.2 Page 2/7

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

current output not greater than 0 mA)

Output zero fine adj. range: -5 to +5% (front button)

Output span fine adj. range: 95 to 105% (front button)

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

■Recommended solderless terminal size - M3 (unit: mm)

12max

3max

4min

3.2 dia.

(mm)

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. 50000 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

INPUT SPECIFICATIONS

Minimum span: 5 % of total resistance

Excitation: Approx. 0.5 V DC

OUTPUT SPECIFICATIONS

■ DC Current

Output range: 0 – 20 mA DC

Conformance range: 0 – 21mA DC

Minimum span: 1 mA

Load resistance: Output drive 15 V max.

(e.g. 4 – 20 mA: 750 Ω [15 V ÷ 20 mA])

(Not available to output less than 0 mA, output range may

not be extended to -5 %)

■ DC Voltage

Output range: -5 - +5 V DC, -10 - +10 V DC

Conformance range: -5.5 - +5.5 V DC, -11 - +11 V DC

Minimum span: 250 mV, 1 V

Load resistance: 200 kΩ min.

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)

Storage temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 10 to 85 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 120 g (0.26 lb) except base

PERFORMANCE

Accuracy: Input accuracy + output accuracy

input accuracy + (output accuracy × segment gain) when

segment gain > 1

See CALCULATION EXAMPLES OF OVERALL ACCURACY.

Inversely proportional to the setting span.

Input accuracy (% of max. input range): ±1Ω or ±0.03 %,

whichever is greater.

Display accuracy:

Input display: Input accuracy ±1 digit

Output display: Input accuracy + output accuracy ±1 digit

Output accuracy: (% of max. output range)

0 - 20 mA: ±0.06 %

-5 - +5 V: ±0.03 %

-10 - +10 V: ±0.03 %

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: 1500 V AC @ 1 minute

(Ch1 input to Ch2 input to Ch1 output to Ch2 output to

power to ground)

CALCULATION EXAMPLES OF OVERALL ACCURACY

[Example] Total Resistance 1000 Ω, Input Setting 100 – 600

Ω, Output Range 0 – 20 mA, Output Setting 4 – 20 mA,

Segment Gain 1.5

■ Overall accuracy

• Input Accuracy = Total Resistance (1000 Ω) ÷ Input Span

Setting (500 Ω) × 0.03 % = 0.06 %

Less than 1 Ω thus 1 Ω (0.1%) is selected.

• Output Accuracy = Output Range Span (20 mA) ÷ Output

Span Setting (16 mA) × 0.06 % × Segment Gain (1.5) =

0.1125 %

Overall Accuracy = 0.1 + 0.1125 = ±0.2125 %