MODEL: AB2

AB2 SPECIFICATIONS

ES-2635 Rev.8 Page 2/6

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

[4] 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

• Soft-Terminal (model: ST/STL)

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

Overrange output: Approx. -15 to +115 % (Factory default)

Lower output limit available range: -15.0 to 0.0 %

Upper output limit available range: 100.0 to 115.0 %

Ramp rate adjustment (MAN mode only): Approx. 3 – 990

sec. (Adjustable on front panel in available range of factory

default)

(Factory default: Approx. 5 - 30 sec.)

3 - 990 sec.

3 - 990 sec.

* Minimum response time < Maximum response time

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

■ DC Current (from the computer): Shunt resistor attached

to input terminals (0.5 W)

■ DC Voltage (from the computer): -300 – +300 V DC

Input resistance

Span 10 - 100 mV: Input resistance ≥ 10 kΩ

Span 0.1 - 1 V: Input resistance ≥ 100 kΩ

Span ≥ 1 V: Input resistance ≥ 1 MΩ

Minimum span: 10 mV

Offset: Max. 1.5 times span

■ Contact Input: TTL level (5V-CMOS level) or open

collector/dry contact (saturation voltage ≤ 1 V, sink current

0.5 mA)

•Stop signal from the computer

ON: The AB2 tracks the computer input.

OFF: The AB2 holds the value just before the OFF signal.

•Soft-terminal input in manual mode

UP: The output increases with UP signal ON.

DOWN: The output decreases with DOWN signal ON.

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 15 V max.

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 10 mA max.; 5 mA for

negative voltage output; at ≥ 0.5 V

INSTALLATION

Power input

•AC: Rating ±10 %, 50/60 ±2 Hz,

approx. 5 VA at 100 V

approx. 7 VA at 200 V

approx. 10 VA at 240 V

•DC: Rating ±10 % (ripple 10 %p-p max.) approx. 3.5 W

(150 mA at 24 V)

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

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

Mounting: Surface or DIN rail

Weight: 450 g (0.99 lb)

PERFORMANCE in percentage of span

Accuracy: ± 0.15 %

AUTO to MAN switching accuracy: ± 0.5 %

Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)

Response time:

≤ 0.8 sec. in AUTO (0 – 90 %)

Approx. 3 – 990 sec. variable in MAN (0 – 100 %)

(Factory default: Approx. 5 – 30 sec.)

The output tracks the computer input in AUTO response

time during the transition from MAN to AUTO.

Output memory at power failure: The output value is stored

in memory.

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 1000 V AC @1 minute

(input to output to power)

2000 V AC @1 minute

(input or output or power to ground)