MODEL: M6NXAR

M6NXAR SPECIFICATIONS

ES-7923 Rev.4 Page 2/4

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

tripped.

Programming: Downloaded from PC

Input type and range

Input fine adjustments

User’s RTD table (max. 300 points)

Burnout (Upscale, downscale or no burnout)

Alarm setpoint (input %)

Trip action (High or Low)

Relay coil (energized or de-energized)

Power ON delay time (0 to 999 sec.)

Alarm ON delay time (0 to 999 sec.)

Hysteresis (deadband) (input %)

Alarm test, and others

Configurator connection: 2.5 dia. miniature jack;

RS-232-C level

Factory default setting

Alarm setpoint: 80%

Trip action: High

Relay coil at alarm: Energized

Power ON delay time: 5 seconds

Alarm ON delay time: 0 seconds

Hysteresis (deadband): 1.0%

Burnout: Upscale

■Recommended solderless terminal (unit: mm (inch))

3.2 (.13) dia.

4 min.

(.16)

5.5 max.

(.22)

INPUT SPECIFICATIONS

Input: 2- or 3-wire RTD

Maximum leadwire resistance: 10 Ω per wire

Sensing current: ≤ 1.5 mA (≤ 0.15 mA for Pt 1000)

Minimum span: 20°C or 36°F

Resistance range:

0 - 500 Ω (Input code: 1, 3, 4, 5, 9)

0 - 5 kΩ (Input code: 7)

If not specified, the input range is 0 - 100°C.

OUTPUT SPECIFICATIONS

■ Relay Output

Relay rating:

250 V AC @2 A (cos ø = 1)

30 V DC @2 A (resistive load)

Maximum switching voltage: 250 V AC or 125 V DC

Maximum switching power: 500 VA or 60 W

Minimum load: 5 V DC @100 mA

0

50

100

Input

(%)

▲

Setpoint

Output

(3–4)ON

(3–2)ON

• Setting Example

Hi alarm (coil energized at alarm) or

Lo alarm (coil de-energized at alarm)

Alarm Trip Operation Terminal No. in parentheses

Trip operation in power failure: Terminals 3 – 4 turn ON.

INSTALLATION

Power consumption: Approx. 0.5 W

Operating temperature: -20 to +55°C (-4 to +131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Installation Base (model: M6NBS) or DIN rail

Weight: 65 g (2.3 oz)

PERFORMANCE in percentage of span

Setpoint accuracy (trip point accuracy)

Pt and JPt: Whichever greater ±0.1 % of input range or

±0.15°C

Cu10: ±1°C

Temp. coefficient: ±0.01 %/°C (±0.006 %/°F) of max. span

Response time: ≤ 1 sec. (0 – 100 % at 90 % setpoint)

Burnout response time: ≤ 1 sec.

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 SETPOINT ACCURACY

[Example] Input type Pt 100, Input range 0 – 100°C

*1. Calculate the accuracy in °C

*2. 100 °C × 0.1 % = 0.1 °C ≤ 0.15 °C. 0.15 °C is used as

input accuracy value.

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

Low Voltage Directive

EN 61010-1

Measurement Category II (output)

Pollution Degree 2

Input or power to output: Reinforced insulation (300 V)

RoHS Directive

EN 50581