MODEL: ALNR

ALNR SPECIFICATIONS

ES-2716 Rev.3 Page 1/4

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

Limit Alarms (rotary switch adj.) AL-UNIT

ANGLE SENSOR ALARM

Functions & Features

• Providing SPDT relay outputs at preset voltage level

provided from Angle Sensor (model: NRA)

• Dual (Hi/Lo) trip

• Energized or de-energized coil at a tripped condition

selectable

• Rotary switch setpoint adjustments

• 50 % zero/span adjustments

• Enclosed relays

• Relays can be powered 110 V DC

• High-density mounting

Typical Applications

• Annunciator

• Various alarm applications

50

(1.97)

136

(5.35)

80

(3.15)

mm (inch)

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

ORDERING INFORMATION

• Code number: ALNR-[1][2][3]-[4][5]

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

(e.g. ALNR-111-B/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] ACTION

1: Direct (output increases with input increase)

2: Reverse (output increases with input decrease)

[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)

[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)

[4] POWER INPUT

AC Power

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

DC Power

S: 12 V DC

R: 24 V DC

V: 48 V DC

P: 110 V DC

[5] OPTIONS

blank: none

/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

RELATED PRODUCTS

• Brushless angle sensor (model: NRA)

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 1 to output 2 to power

Zero adjustment: 0 – 50 % of linearity-assured range of the

angle sensor (front)

Span adjustment: 50 – 100 % of linearity-assured range of

the angle sensor (front)

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

– 99 % independently; 1 % increments

Hysteresis (deadband): 0.7 – 2.5 %