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PDU-AM3N-S

更新时间：2024-10-29 22:50:32

品牌：MSYSTEM

描述：Plug-in Signal Conditioners M-UNIT

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PDU-AM3N-S 概述

Plug-in Signal Conditioners M-UNIT

PDU-AM3N-S 数据手册

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MODEL: PDU

Plug-in Signal Conditioners M-UNIT

[1] INPUT

A: Dry contact

B: Voltage pulse (Specify sensitivity)

C: 5 V pulse (sensitivity 2 V)

PULSE SCALER

(pulse dividing; selectable range)

D: 12 V/24 V pulse (sensitivity 5 V)

H: Two-wire current pulse

Functions & Features

• Galvanically isolating pulse rate signals and converting

them into convenient engineering unit

• Excitation

[2] OUTPUT

• Scaling factor adjustable with the front switches

• Uniform output pulse

A: Open collector (max. 100 kHz)

M: 5 V pulse (max. 100 kHz)

N: 12 V pulse (max. 100 kHz)

P: 24 V pulse (max. 100 kHz)

H: Relay contact (max. 5 Hz)

( ) = Max. frequency

• Various outputs (relay, open collector and voltage pulses)

• Isolation up to 2000 V AC

• High-density mounting

Typical Applications

• Positive displacement flowmeters and turbine meters

• Dry contact signal produced at rotating machine

[3] OUTPUT PULSE WIDTH

1: One-shot output (5 – 200 μsec.)

(Not selectable with relay contact.)

2: One-shot output (0.18 – 9 msec.)

(Not selectable with relay contact.)

3: One-shot output (9 – 400 msec.)

(1.97)

(3.15)

[4] OUTPUT LOGIC

N: The same as the input

R: Inverted

127

(5)

mm (inch)

[5] POWER INPUT

AC Power

MODEL: PDU–[1][2][3][4]–[5][6]

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

ORDERING INFORMATION

• Code number: PDU-[1][2][3][4]-[5][6]

Specify a code from below for each of [1] through [6].

(e.g. PDU-CM1N-B/Q)

• Use Ordering Information Sheet (No. ESU-1368). Default

setting (table below) will be used if not otherwise specified.

• Specify the specification for option code /Q

(e.g. /C01/S01)

DC Power

S: 12 V DC

R: 24 V DC

Factory default setting

V: 48 V DC

ITEM

DEFAULT

Scaling factor 1 / (1X10 )

[6] OPTIONS

blank: none

Approx. 50% duty ratio at the max.

Output pulse input frequency (400 msec. max.);

/Q: With options (specify the specification)

width

Limited to the range indicated in Out-

put Pulse Width code 3 for relay output

Without;

For dry contact input with frequency

≤10 Hz, the ﬁlter is automatically

provided.

Filter

PDU SPECIFICATIONS

ES-1368 Rev.10 Page 1/4

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

MODEL: PDU

Hi/Lo level: ≤ 5 mA for Lo, ≥ 15 mA for Hi

■ Voltage pulse waveform

SPECIFICATIONS OF OPTION: Q (multiple selections)

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

/C01: Silicone coating

Volts

50V max.

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

Amplitude

Vinp-p

DC Offset

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

OUTPUT SPECIFICATIONS

■ Open Collector: 50 V DC @ 50 mA (resistive load)

Maximum frequency: 100 kHz with load resistance ≤ 1 kΩ

Saturation voltage: 1.0 V DC

■ Voltage Pulse:

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

Input pulse sensing: DC coupled

High level: Rating (5, 12 or 24 V) ±10 %

Low level: ≤ 0.5 V

Sensitivity adjustment: Single-turn screwdriver adjustment

(front); 0 – ±7 V

Maximum frequency: 100 kHz

Load resistance:

Hysteresis (deadband): Approx. 0.5 V

Input filter: Provided for 10 Hz or lower output frequency

(time constant approx. 1 msec.)

1 kΩ min. for 5 V

2.4 kΩ min. for 12 V,

Scaling factor adjustment: 10-position rotary switches

(front);

4.8 kΩ min. for 24 V

■ Relay Contact:

1 / ( m × 10 ^n) m = 1 - 9999, n = 0 - 6

Output pulse width adjustment: Multi-turn screwdriver

adjustment (front); 5 μsec. – 400 msec.

120 V AC @ 200 mA (cos ø = 1)

30 V DC @ 200 mA (resistive load)

Electrical life 3 × 10 cycles (rate 30/min.)

Maximum switching voltage: 250 V AC or 30 V DC

Maximum switching power: 24 VA or 6 W

Minimum load: 5 V DC @ 10 mA

INPUT SPECIFICATIONS

Frequency range: 0 – 100 kHz (10 Hz max. with filter)

Excitation: 12 V DC @ 30 mA; shortcircuit protection

Pulse width time requirement: 5 μsec. min. (10 ms with

filter)

Mechanical life: 2 × 10 cycles

For maximum relay life with inductive loads, external

protection is recommended.

Maximum frequency: 5 Hz

■ Dry Contact

Sensing: 7.5V DC @ 1mA

ON/OFF level: ≥ 30 kΩ/5 V for OFF; ≤ 1 kΩ/1 V for ON

■ Voltage Pulse: Specify DC offset and amplitude.

Waveform: Square or sine

OUTPUT PULSE WIDTH

• One-shot Output: Preset pulse width ±20 %;

The pulse width is factory set to approx. 50 % duty ratio at

the maximum frequency. For relay output, it is limited

within the range indicated in Code 3 specification.

Adjustable pulse width: 5 μsec. – 400 msec.

Input impedance: 10 kΩ min.

Input amplitude: 2 – 50 Vp-p

Offset: 0 – ±7 V

Max. voltage between input terminals: ±32 V

• 5V, 12V, 24V Pulse

INSTALLATION

Power input

Waveform: Square or sine

Input impedance: 10 kΩ min.

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

50/60 ±2 Hz, approx. 2 VA

Detecting level

(Input: 5 V pulse: 12 V/24 V pulse)

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

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

: ≥ 3 V: ≥ 6 V

: ≤ 1 V: ≤ 4 V

■ Two-wire Current Pulse

Input resistance: Receiving resistor 220 Ω

Maximum current: ±50 mA

Weight: 350 g (0.77 lb)

PDU SPECIFICATIONS

ES-1368 Rev.10 Page 2/4

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

MODEL: PDU

PERFORMANCE

Response time:

≤ 25 μsec. without filter

≤ 2 msec. with filter

≤ 20 msec. with relay contact pulse

Insulation resistance: ≥ 100 MΩ with 500 V DC

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

to power to ground)

EXTERNAL VIEW

Note: This unit is factory calibrated according to the Ordering Information Sheet.

Sensitivity Adj.

10³

10²

10¹

10⁰

10ⁿ

Pulse

Rate

Not Used

Pulse Width Adj.

Front Cover (open)

OUTPUT LOGIC

VOLTAGE PULSE

OUTPUT

OPEN COLLECTOR

or RELAY CONTACT

INPUT TYPE

PULSE LOGIC

INPUT

OFF

Voltage Pulse Input

2-wire Current Pulse Input

ON current (H)

Non Inverted

Inverted

OFF

OFF current (L)

OFF

Non Inverted

Inverted

Dry Contact Input

OFF

The pulse width in one-shot means the bold lined section of a pulse waveform.

PDU SPECIFICATIONS

ES-1368 Rev.10 Page 3/4

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

MODEL: PDU

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

CLAMP

(top & bottom)

7.8 (.31)

DIN RAIL

35mm wide

2–4.5 (.18) dia.

MTG HOLE

15 (.59) deep

8–M3.5

SCREW

50 (1.97)

107 (4.21)

127 (5)

40 (1.57)

50 (1.97)

[3.3 (.13)]

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

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

SENSITIVITY

ADJ.

SCALING

FACTOR ADJ.

PULSE

WIDTH ADJ.

Isolation

Waveform

Shaper

Output

Driver

–

Scaler

One-shot

INPUT

OUTPUT

POWER

–

SENSOR EXCITATION

12V Supply

U(+)

V(–)

Base Socket

Input Connection Examples

Output Connection Examples

■ Dry Contact

+7.5V

■ Open Collector

■ Voltage Pulse

■ 2-Wire Current Pulse

• Built-in Excitation

7.5kΩ

220

–

2-WIRE

PICK-UP

–

PWR

Vsns

■ Voltage Pulse

• External DC Supply

■ Relay Contact

• AC Powered

Relay or

Counter Coil

220Ω

–

2-WIRE

PICK-UP

Varistor or Spark

Quenching CIrcuit

LOAD

DC SUPPLY

Vsns

PWR

–

• DC Powered

Relay or

Counter Coil

Spark Quenching

Diode

LOAD

Specifications are subject to change without notice.

PDU SPECIFICATIONS

ES-1368 Rev.10 Page 4/4

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

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