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ALV-A122-C

更新时间：2025-07-12 22:49:56

品牌：MSYSTEM

描述：Limit Alarms (rotary switch adj.) AL-UNIT

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ALV-A122-C 概述

Limit Alarms (rotary switch adj.) AL-UNIT

ALV-A122-C 数据手册

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MODEL: ALV

K: 0 – 100 μA DC (Input resistance 1000 Ω)

Limit Alarms (rotary switch adj.) AL-UNIT

GW: -1 – +1 mA DC (Input resistance 1000 Ω)

FW: -10 – +10 mA DC (Input resistance 100 Ω)

Z: Specify current (See INPUT SPECIFICATIONS)

Voltage

DC ALARM

Functions & Features

• Providing SPDT relay outputs at preset DC input levels

• Dual (Hi/Lo) trip

1: 0 – 10 mV DC (Input resistance 10 kΩ min.)

15: 0 – 50 mV DC (Input resistance 10 kΩ min.)

16: 0 – 60 mV DC (Input resistance 10 kΩ min.)

2: 0 – 100 mV DC (Input resistance 100 kΩ min.)

3: 0 – 1 V DC (Input resistance 1 MΩ min.)

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.)

4W: -10 – +10 V DC (Input resistance 1 MΩ min.)

5W: -5 – +5 V DC (Input resistance 1 MΩ min.)

0: Specify voltage (See INPUT SPECIFICATIONS)

• Energized or de-energized coil at a tripped condition

selectable

• Rotary 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

[2] SETPOINT 1 OUTPUT

1: Hi (coil energized at alarm)

2: Hi (coil de-energized at alarm)

3: Lo (coil energized at alarm)

4: Lo (coil de-energized at alarm)

(1.97)

(3.15)

[3] SETPOINT 2 OUTPUT

1: Hi (coil energized at alarm)

2: Hi (coil de-energized at alarm)

3: Lo (coil energized at alarm)

4: Lo (coil de-energized at alarm)

132

(5.20)

mm (inch)

MODEL: ALV-[1][2][3]-[4][5]

[4] POWER INPUT

AC Power

ORDERING INFORMATION

• Code number: ALV-[1][2][3]-[4][5]

Specify a code from below for each of [1] through [5].

(e.g. ALV-A13-B/Q)

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

G: 200 V AC

H: 220 V AC

J: 240 V AC

• Special input range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

DC Power

[1] INPUT

S: 12 V DC

Current

R: 24 V DC

A: 4 – 20 mA DC (Input resistance 250 Ω)

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

B: 2 – 10 mA DC (Input resistance 500 Ω)

C: 1 – 5 mA DC (Input resistance 1000 Ω)

D: 0 – 20 mA DC (Input resistance 50 Ω)

E: 0 – 16 mA DC (Input resistance 62.5 Ω)

F: 0 – 10 mA DC (Input resistance 100 Ω)

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

H: 10 – 50 mA DC (Input resistance 100 Ω)

J: 0 – 10 μA DC (Input resistance 1000 Ω)

V: 48 V DC

P: 110 V DC

ALV SPECIFICATIONS

ES-2717 Rev.8 Page 1/4

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

MODEL: ALV

[5] OPTIONS

Alarm Trip Operation Terminal No. in parentheses

blank: none

(9-11)ON

/Q: With options (specify the specification)

Output 1

Output 2

(9-10)ON

(1-3)ON

SPECIFICATIONS OF OPTION: Q (multiple selections)

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

/C01: Silicone coating

(1-2)ON

Input

(%)

▲

100

/C02: Polyurethane coating

Output 2

Setpoint

Output 1

Setpoint

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

Trip Operation in Power Failure

• Output Code: 1 & 4: Terminals 1 – 2, 9 – 10 turn ON

• Output Code: 2 & 3: Terminals 1 – 3, 9 – 11 turn ON

GENERAL SPECIFICATIONS

Construction: Plug-in

INSTALLATION

Power input

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

• AC: Operational voltage range: rating ±10 %,

50/60 ±2 Hz, approx. 2 VA

Housing material: Flame-resistant resin (black)

Isolation: Input to output 1 to output 2 to power

Setpoint adjustments: 10-position rotary switches (front); 0

– 99 % independently; 1 % increments

Hysteresis (deadband): 0.7 – 2.5 %

• DC: Operational voltage range: rating ±10 %, or 85 – 150

V for 110 V rating (ripple 10 % p-p max.)

approx. 2 W (80 mA at 24 V)

Operating temperature: -5 to +60°C (23 to 140°F)

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

Mounting: Surface or DIN rail

Front LEDs: Red LED turns on when the coil is energized.

Power ON timer: Relays de-energized for approx. 2 seconds

after power is turned on.

Weight: 370 g (0.82 lb)

PERFORMANCE in percentage of span

Setpoint accuracy: ±0.5 %

INPUT SPECIFICATIONS

■ DC Current:

Trip point repeatability: ±0.05 %

Shunt resistor attached to the input terminals (0.5 W)

Specify input resistance value for code Z.

■ DC Voltage: -300 – +300 V DC

Minimum span: 10 mV

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

Response time: Approx. 0.5 sec. (0 – 100 % at 90 %

setpoint)

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 1

to output 2 to power to ground)

Offset: Max. 1.5 times span

Input resistance

Span 10 – 100 mV : ≥ 10 kΩ

Span 0.1 – 1 V : ≥ 100 kΩ

Span ≥ 1 V : ≥ 1 MΩ

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

Maximum switching power: 120 VA or 30 W

Minimum load: 5 V DC @ 10 mA

Mechanical life: 5 x 10 cycles

For maximum relay life with inductive loads, external

protection is recommended.

ALV SPECIFICATIONS

ES-2717 Rev.8 Page 2/4

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

MODEL: ALV

EXTERNAL VIEW

No.1 LED

No.1 Setpoint Rotary SW (x10%)

No.1 Setpoint Rotary SW (x1%)

No.2 Setpoint Rotary SW (x10%)

No.2 Setpoint Rotary SW (x1%)

No.2 LED

EXTERNAL DIMENSIONS unit: mm (inch)

CLAMP

(top & bottom)

7.8 (.31)

DIN RAIL

35mm wide

–4.5 (.18) dia.

MTG HOLE

25 (.98) deep

10 11

–M3.5

SCREW

50 (1.97)

103 (4.06)

132 (5.20)

40 (1.57)

50 (1.97)

[3.3 (.13)]

• When mounting, no extra space is needed between units.

TERMINAL ASSIGNMENTS unit: mm (inch)

INPUT RESISTOR

(model: REM)

10 11

Input shunt resistor attached

for current input.

ALV SPECIFICATIONS

ES-2717 Rev.8 Page 3/4

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

MODEL: ALV

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

■ Relay Protection

• AC Powered

Inductive

Load (Coil)

D / A

Converter

ROTARY

SWITCH

Varistor or Spark

Quenching Circuit

LOAD

Low Drift

Amplifier

–

Comparator

SETPOINT 1

OUTPUT

INPUT

• DC Powered

Inductive

Load (Coil)

Diode, Varistor or

CR Circuit

LOAD

SETPOINT 2

OUTPUT

D / A

Converter

ROTARY

SWITCH

U(+)

V(–)

POWER

Base Socket

* Input shunt resistor attached for current input.

**Relay status for output codes “1” & “4”, at power OFF.

Specifications are subject to change without notice.

ALV SPECIFICATIONS

ES-2717 Rev.8 Page 4/4

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

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