ES-5377 Rev.7

M8PA1

Dual Output Super-mini Signal Conditioners Pico-M Series

FREQUENCY CONVERTER

(CE)
Functions & Features
• Converting the output from a pulse-type transducer into a standard process signal
• Space-saving, easy-to-maintain, multi-channel installation base

MODEL: M8PA1-[1][2]-R[3]

ORDERING INFORMATION

• Code number: M8PA1-[1][2]-R[3]
Specify a code from below for each of [1] through [3].
  (e.g. M8PA1-A6A-R/Q)
• Frequency range (e.g. 0 – 1 kHz)
Use Ordering Information Sheet (No. ESU-5484) for Input Codes B: DC voltage pulse or E: AC voltage pulse.
• Specify the specification for option code /Q
  (e.g. /C01/V01)

[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)

[2] OUTPUT 1 / OUTPUT 2

6A: 1 – 5 V DC (Load resistance 2500 Ω min.)
    / 4 – 20 mA DC (Load resistance 300 Ω max.)
44: 0 – 10 V DC (Load Resistance 5000 Ω min.)
    / 0 – 10 V DC (Load Resistance 5000 Ω min.)
55: 0 – 5 V DC  (Load resistance 2500 Ω min.)
    / 0 – 5 V DC  (Load resistance 2500 Ω min.)
66: 1 – 5 V DC (Load resistance 2500 Ω min.)
    / 1 – 5 V DC (Load resistance 2500 Ω min.)

POWER INPUT

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

[3] OPTIONS

blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
ADJUSTMENT
/V01: Multi-turn fine adjustment

RELATED PRODUCTS

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

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
Zero adjustment: -2 to +2 % (front)
Span adjustment: 98 to 102 % (front)
Input pulse sensing: DC coupled (AC coupled for AC voltage pulse)

INPUT SPECIFICATIONS

Frequency range: 0 – 20 Hz through 20 kHz
Pulse width (time) requirement: Duty ratio 20 – 80 % at 100 % input
Dry Contact
Sensing
: Approx. 12 V DC @3 mA
ON/OFF level: ≤ 200 Ω/0.5 V for ON, ≥ 100 kΩ/9 V for OFF
DC Voltage Pulse: Specify detecting level, amplitude and DC offset.
Waveform: Square or sine
Input impedance: 10 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
Waveform: Square or sine
Input impedance: 10 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.
Waveform: Sine
Input impedance: 10 kΩ min.
Input amplitude: 0.1 – 100 V p-p
Max. voltage between input terminals: 50 V

INSTALLATION

Current consumption: Approx. 50 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 in percentage of span

Accuracy: ±0.1 % (output 10 – 100 %)
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: (0 – 90 %)
approx. 4 seconds for 0 – 50 Hz
approx. 3 seconds for 0 – 100 Hz
approx. 1 second for 0 – 200 Hz
approx. 0.4 seconds for 0 – 1.99 kHz
approx. 0.1 seconds for 0 – 2 kHz or more
Ripple: 0.2 %p-p max. with input ≥ 10 %
Line voltage effect: ±0.1 % over voltage range
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

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM