MODEL: 48NAM

48NAM SPECIFICATIONS

ES-9434 Rev.13 Page 2/9

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

GENERAL SPECIFICATIONS

Construction: Panel flush mounting

Degree of protection: IP65; applicable to the front panel for

single unit mounted according to the specified panel cutout

Connection: M3 separable screw terminal (torque 0.6 N·m)

Screw terminal: Nickel-plated steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

Zero adjustment: 0 – 30 % of total resistance (front)

Span adjustment: 70 – 100 % of total resistance (front)

Scale plate: Flame resistant resin (white scale & characters

on black base)

Setpoint adjustment

2 points:

H

[L setpoint ] to 100 %

L

0 to [H setpoint]

or No alarm trip

4 points:

HH

[H setpoint] to 100 %

H

[L setpoint] to [HH setpoint]

L

[LL setpoint] to [H setpoint]

LL 0 to [L setpoint]

or No alarm trip

Alarm deadband (hysteresis): 1 %

Setting: (Front button)

• Zero and span adjustments

• Alarm setpoint

• Others

(Refer to the instruction manual for details)

■ BARGRAPH

LED: 101-segment LED, 100 mm (3.96”) long, 3.00 mm

(.12”) wide

Display range: 0 to 100 (scaling function not available)

Scale: Two different scales available for single bargraph

Characters: Max. 4 characters including decimal point and

negative sign

Divisions: Min. 22, max. 100

Engineering unit: Max. 6 characters

INPUT SPECIFICATIONS

Minimum span: 70 % of total resistance

Excitation: 0.5 V DC

OUTPUT SPECIFICATIONS

■ Alarm Output: Relay contact

Rated load: 250 V AC @1 A (cos ø = 1)

30 V DC @5 A (resistive load)

Maximum switching voltage: 250 V AC, 220 V DC

Maximum switching power: 380 VA, 150 W

Minimum load: 5 V DC @100 mA

0

50

100

Input

(%)

L Setpoint

H Setpoint

H Output

L Output

• Alarm Output Code 2

Alarm Trip Operation

Terminal No. in parentheses

(7–8)ON

(12–14)ON

(13–14)ON

(7–9)ON

0

50

100

Input

(%)

L

H

HH Output

LL Output

H Output

L Output

HH

LL

• Alarm Output Code 4

Terminals 7 – 9, 13 – 14 turn on at a loss of power.

Terminals 7 – 9, 13 – 14 turn on at a loss of power.

(7–8)ON

(7–9)ON

(7–10)ON

(11–14)ON

(12–14)ON

(13–14)ON

INSTALLATION

Power Consumption

•AC:

Approx. 5.5 VA at 100 V with max. load

Approx. 7 VA at 200 V with max. load

Approx. 8 VA at 264 V with max. load

•DC

Approx. 3.5 W at 20.4 V with max. load

Approx. 3.5 W at 24 V with max. load

Approx. 3.5 W at 27.6 V with max. load

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

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

Mounting: Panel flush mounting

Weight: 300 g (0.66 lb)

PERFORMANCE in percentage of span

Accuracy: ±1 % ±1 digit

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

Response time: ≤ 0.5 sec.

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @1 minute (input to output

to power to ground)