·Some details are not shown. Please refer to specification sheets for all information.

M8PP1

Dual Output Super-mini Signal Conditioners Pico-M Series

PULSE ISOLATOR
(built-in excitation, CE)

Functions & Features
• Amplifying, waveshaping a pulse rate input and providing two galvanically isolated pulse signals
• Space-saving, easy-to-maintain, multi-channel installation base

MODEL: M8PP1-[1][2][3][4]-R[5]

ORDERING INFORMATION
• Code number: M8PP1-[1][2][3][4]-R[5]
 Specify a code from below for each [1] through [5].
 (e.g. M8PP1-B7A1A12-R/Q)
• Input frequency (e.g. 0 – 1000 Hz)
• Output pulse width (e.g. 75 msec.)
Use Ordering In-formation Sheet (No. ESU-5484) for Input Codes B:DC voltage pulse or E: AC voltage pulse, or for non-standard output pulse width.
• Specify the specification for option code /Q
  (e.g. /C01 )

[1] INPUT
A: Dry contact
B: DC voltage pulse (Specify sensitivity)
C: 5 V pulse (sensitivity 2 V)
D: 12 V/24 V pulse (sensitivity 5 V)
E: AC voltage pulse (Specify sensitivity)
H: Two-wire current pulse

[2] EXCITATION
0: None
4: 12 V DC / 30 mA
7: 24 V DC / 30 mA

[3] OUTPUT 1 / OUTPUT 2
A1A1: Open collector / open collector (max. 100 kHz)
A2A2: Open collector / open collector (max. 10 Hz)
M1M1: 5 V pulse / 5 V pulse (max. 100 kHz)
M2M2: 5 V pulse / 5 V pulse (max. 10 Hz)
Max. 50 kHz for AC voltage pulse input

[4] OUTPUT PULSE WIDTH
1: Equal to the input
2: One-shot output (std. pulse width 50 ms)
Specify when optional pulse width is required.

POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[5] OPTIONS
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating

RELATED PRODUCTS
• Installation Base or Single Mount Base Socket (model: M8BSx)
This unit must be mounted on dedicated base or socket except Model M8BS2 base.

GENERAL SPECIFICATIONS
Construction: Plug-in
Mounting screw: M3 screw (torque 0.3 N·m)
Housing material: Flame-resistant resin (black)
Power supply: Via the Installation Base terminals
(model: M8BSx)
Isolation: Input to output 1 to output 2 to power
Polarity switch: Inverting output pulse logic
(factory setting: non-inverted)
Input pulse sensing: DC coupled (AC coupled for AC voltage pulse)

INPUT SPECIFICATIONS
Excitation: 12 V DC ±2 V @30 mA
24 V DC ±4 V @30 mA
shortcircuit protection; approx. ≤ 5 mA at shortcircuit
Caution: With a current exceeding 30 mA, the pulse isolator stops feeding the sensor excitation, until the sensor is removed and connected again.
Pulse width time requirement
No pulse width adj. for output
: 2 µsec. min.
(10 msec. min. for 0 – 10 Hz)
One-shot: 1 msec. min.
Dry Contact
Max. frequency: 100 kHz
Sensing: Approx. 12 V DC @3 mA
ON/OFF level: ≥ 4 kΩ/6 V at OFF
≤ 1.3 kΩ/4 V at ON
DC Voltage Pulse: Specify detecting level, amplitude and DC offset.
Max. frequency: 100 kHz
Waveform: Square or sine
Input impedance: 30 kΩ min.
Input amplitude: 2 – 50 V p-p
Detecting level: 2 – 10 V; 0.6 V ≤ VH – VL ≤ 1.3 V
Max. voltage between input terminals: 50 V
5 V, 12 V, 24 V Pulse
Max. frequency: 100 kHz
Waveform: Square or sine
Input impedance: 30 kΩ min.
Detecting  H level
5 V pulse
: ≥ 3 V
12 V, 24 V pulse: ≥ 6 V
Detecting  L level
5 V pulse: ≤ 1 V 
12 V, 24 V pulse: ≤ 4 V
AC Voltage Pulse: Specify amplitude and frequency.
Max. frequency: 50 kHz
Min. frequency: 1 Hz
Waveform: Sine
Input impedance: 10 kΩ min.
Input amplitude: 0.1 – 100 V p-p
Max. voltage between input terminals: 50 V
Two-wire Current Pulse
Max. frequency: 100 kHz
Input resistance: Receiving resistor 250 Ω
Input range: 0 – 25 mA
Detecting level: ≤ 4 mA for Lo, ≥ 12 mA for Hi

OUTPUT SPECIFICATIONS
Max. frequency: 100 kHz
Open Collector: 50 V DC @50 mA
Saturation voltage: 0.5 V DC
5 V Pulse
Hi level
: 5 V ±10 %
Lo level: ≤ 0.5 V
Load resistance: 1000 Ω min.

OUTPUT PULSE WIDTH
• One-shot Output: Constant pulse width
Output Frequency (Hz) = 500 ÷ Output Pulse Width (msec.)
Pulse width: 1 – 500 msec. (standard 50 msec. ±20 %)

INSTALLATION
Current consumption: Approx. 90 mA
Operating temperature: 0 to 55°C (32 to 131°F)
Operating humidity: 30 to 95 %RH (non-condensing)
Mounting: Installation Base (model: M8BSx)
Weight: 70 g (2.5 oz)

PERFORMANCE
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
1500 V AC @1 minute (input to output 1 or output 2 or power to ground)
500 V AC @1 minute (output 1 to output 2 to power)
SWC test: ANSI/IEEE-C37.90.1-1989

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581

FRONT VIEW
Polarity SW
Used to select output pulse logic.
Push in the switch to invert the output logic.
Push back for non-inverted output.

OUTPUT LOGIC

DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

MG Co., Ltd.