MODEL: ASD

ASD SPECIFICATIONS

ES-1616 Rev.5 Page 1/3

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

Plug-in Signal Conditioners M-UNIT

DC ALARM

(thumbwheel switch adjustment)

Functions & Features

• Providing SPDT relay outputs at preset DC input levels

• Dual (Hi/Lo) trip

• Thumbwheel switch setpoint adjustments

• Enclosed relays

• Relays can be powered 110 V DC

• Isolation up to 2000 V AC

• High-density mounting

Typical Applications

• Annunciator

• Various alarm applications

50

(1.97)

132

(5.20)

80

(3.15)

mm (inch)

%

3

HI

%

LO

1

4 4

MODEL: ASD–[1]1–[2][3]

ORDERING INFORMATION

• Code number: ASD-[1]1-[2][3]

Specify a code from below for each of [1] through [3].

(e.g. ASD-61-K/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT

Current

A1: 4 – 20 mA DC (Input resistance 50 Ω)

G: 0 – 1 mA DC (Input resistance 1000 Ω)

Voltage

4: 0 – 10 V DC (Input resistance 1 MΩ min.)

5: 0 – 5 V DC (Input resistance 1 MΩ min.)

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

OUTPUT

Relay; SPDT or transfer contact

SETPOINT ADJUSTMENTS

1: Thumbwheel switch

[2] POWER INPUT

AC Power

K: 85 – 132 V AC

(Operational voltage range 85 – 132 V, 47 – 66 Hz)

L: 170 – 264 V AC

(Operational voltage range 170 – 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.)

[3] OPTIONS

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

Setpoint adjustments: Thumbwheel switches (front); 0 – 99

% independently; 1 % increments

Hysteresis (deadband): Approx. 1 %

Front LEDs: Red LED turns on when the coil for Hi output is

energized.

Green LED turns on when the coil for Lo output is energized.

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

OUTPUT SPECIFICATIONS

■ Relay Contact: 100 V AC @ 1 A (cos ø = 1)

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: 380 V AC or 125 V DC