MODEL: AS4R

AS4R SPECIFICATIONS

ES-1606 Rev.18 Page 2/4

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

■ DISPLAY

LED: 8 mm (.31”) 7 segment, red

Number of display digits: 4 digits for DATA display;

2 digits for ITEM display

PV indication: Temperature in engineering unit

Overrange indication: LEDs blinking

Power saving mode: Displays turn off if the keys are

untouched for a preset time period

LEDs: Red LEDs turn on when coils are energized.

(L1 and L2 for 2-point alarm. L1, L2, L3 and L4 for 4-point

alarm.)

INPUT SPECIFICATIONS

Maximum leadwire resistance: 200 Ω per wire (3-wire)

Sensing current: ≤ 1.0 mA

Default setting: Pt 100 (JIS ’97, IEC) -100.0 – +500.0°C

Minimum step:

-199.9 to 999.9: 0.1

Not greater than -200, not lower than 1000: 1

Temperature range

RTD

USABLE RANGE

°C

°F

JPt 100 (JIS ’89)

-235 to +560

-391 to +1040

Pt 100 (JIS ’89)

-240 to +900

-400 to +1652

Pt 100 (JIS ’97, IEC)

-240 to +900

-400 to +1652

Pt 50Ω (JIS ’81)

-235 to +700

-391 to +1292

Ni 508.4Ω

-100 to +330

-148 to +572

Pt 1000

-240 to +900

-400 to +1652

Ni 100

-100 to +250

-148 to +482

Cu 10 @ 25 °C

-210 to +310

-346 to +590

OUTPUT SPECIFICATIONS

■ Quad Alarm

Relay rating:

120 V AC @ 1 A (cos ø = 1)

240 V AC @ 0.5 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

Maximum switching voltage(Note): 380 V AC or 125 V DC

Maximum switching power(Note): 120 VA or 30 W

Minimum load: 5 V DC @ 10 mA

■ Dual Alarm

Relay rating:

120 V AC @ 5 A (cos ø = 1)

240 V AC @ 2.5 A (cos ø = 1)

30 V DC @ 5 A (resistive load)

Maximum switching voltage(Note): 380 V AC or 125 V DC

Maximum switching power(Note): 600 VA or 150 W

Minimum load: 5 V DC @ 10 mA

(Note): The value indicate capacity of output relay in

equipment.

Use within relay rating for EU and UL.

0

50

100

▲

Input

(%)

LL

L

▲

▲

HH

H

L2 (1–2)

ON

▲

L3 (1–3)

ON

L4 (9–11)

ON

OFF

OFF

L1 (9–10)

ON

OFF

OFF

Alarm Trip Operation

Terminal No. in parentheses

Example with quad N.O. contacts (LL, L, H, HH)

Trip Operation in Power Failure

• Output code 2: All relays turn off.

• Output code 3: All relays turn on.

• Output code 5: Terminals 1 – 3, 9 – 11 turn on.

INSTALLATION

Power consumption

•AC: ≤ 6 VA

•DC: ≤ 3.5 W

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

Mounting: Surface or DIN rail

Weight: 500 g (1.1 lb)

PERFORMANCE in percentage of FS input

Setpoint accuracy (trip point accuracy):

±(0.1% of FS + 1 digit)

±(0.2% of FS + 1 digit) for Cu 10

Display accuracy: ±(0.1 % of FS + 1 digit)

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)

Response time: ≤ 1.5 sec. (0 – 100 % at 90 % setpoint)

Burnout response: ≤ 5 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)

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)

Installation Category II (power)

Pollution Degree 2

Input to output to power: Basic insulation (300 V)

RoHS Directive

Approval: