ES-1690 Rev.10
MPAU
Plug-in Signal Conditioners M-UNIT
FREQUENCY TRANSMITTER
(selectable range)
Functions & Features
• Converting the output from a pulse-type transducer into a standard process signal
• Open collector, mechanical contact, proximity sensor, voltage pulse and 2-wire current pulse inputs
• Output decreases gradually with no input
• Excitation
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Positive displacement flowmeters, turbine
flowmeters and vortex flowmeters
• Measuring rotation speed of a machine generating dry contact signals
MODEL: MPAU–[1][2][3]–[4][5]
ORDERING INFORMATION
· Code number: MPAU-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. MPAU-A1LA-B/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01/SET)
[1] INPUT
A1
: Open collector
A2
: Mechanical contact
B1
: Proximity sensor
B2
: Voltage pulse
H
: Two-wire current pulse
[2] EXCITATION
L
: 12 V DC / 40 mA
M
: 24 V DC / 25 mA
[3] OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 750 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C
: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D
: 0 – 20 mA DC (Load resistance 750 Ω max.)
E
: 0 – 16 mA DC (Load resistance 900 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G
: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1
: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2
: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3
: 0 – 1 V DC (Load resistance 100 Ω min.)
4
: 0 – 10 V DC (Load resistance 1000 Ω min.)
5
: 0 – 5 V DC (Load resistance 500 Ω min.)
6
: 1 – 5 V DC (Load resistance 500 Ω min.)
4W
: -10 – +10 V DC (Load resistance 2000 Ω min.)
5W
: -5 – +5 V DC (Load resistance 1000 Ω min.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[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
[5] 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
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
EX-FACTORY SETTING
/SET
: Preset according to the Ordering Information Sheet
(No. ESU-1690)
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. 0 to 120 % at 1 – 5V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Chattering protection
: Filter provided for mechanical contact input (time constant: 1 msec.)
Input monitor LED
: Red LED blinks according to the input.
Status indicator:
Green LED turns ON in normal
operating conditions.
Input pulse sensing
: DC coupled
Frequency adjustments:
Rotary switches (front)
Non-uniform pulse compensation:
Input pulses divided and then multiplied for stabilizing the output; dividing factor adjustable with the front rotary switches (1/1 – 1/ 16, factory default 1/1)
Damper:
Time constant adjustable within 0 to 5 sec. (factory default 0 sec.) to provide a first order lag output
INPUT SPECIFICATIONS
Excitation:
Shortcircuit protection;
12 V DC @ 40 mA (approx. 43 mA at shortcircuit)
or 24 V DC @ 25 mA (approx. 33 mA at shortcircuit)
■
Open Collector
Frequency range
: 0 – 1 mHz through 99.99 kHz
(If not specified the default value is used: 0 - 9.999 kHz)
Pulse width time requirement
: 4 μsec. min.
Detecting level
:
Excitation
12 V
Sensing: 12 V / 1.5 mA
ON/OFF level
ON: ≤ 0.8 kΩ / 1.0 V
OFF: ≥1.7 kΩ / 2.5 V
Excitation
24 V
Sensing: 24 V / 3 mA
ON/OFF level
ON: ≤ 0.35 kΩ / 1.0 V
OFF: ≥ 0.8 kΩ / 2.5 V
■
Mechanical Contact
Frequency range
: 0 – 1 mHz through 9.999 Hz
(If not specified the default value is used: 0 - 9.999 Hz)
Pulse width time requirement
: 10 msec. min.
Detecting level
:
Excitation
12 V
Sensing: 12 V / 1.5 mA
ON/OFF level
ON: ≤ 0.8 kΩ / 1.0 V
OFF: ≥1.7 kΩ / 2.5 V
Excitation
24 V
Sensing: 24 V / 3 mA
ON/OFF level
ON: ≤ 0.35 kΩ / 1.0 V
OFF: ≥ 0.8 kΩ / 2.5 V
■
Proximity Sensor
Frequency range:
0 – 1 mHz through 9.999 kHz
(If not specified the default value is used: 0 - 9.999 kHz)
Pulse width time requirement:
≥ 20 μsec.
Waveform:
Square or sinusoidal
Detecting level:
Input voltage ±50 V (±30 V to conform with EU Directive)
≤ 0 mV for Lo, ≥ 150 mV for Hi
Input impedance:
≥ 20 kΩ
■
Voltage Pulse
Frequency range:
0 – 1 mHz through 99.99 kHz
(If not specified the default value is used: 0 - 9.999 kHz)
Pulse width time requirement:
≥ 4 μsec.
Waveform:
Square or sinusoidal
Detecting level:
Input voltage ±50 V (±30 V to conform with EU Directive)
≤ 1 V DC for Lo, ≥ 2 V DC for Hi
Input impedance:
≥ 20 kΩ
■
Two-wire Current Pulse
Frequency range:
0 – 1 mHz through 99.99 Hz
(If not specified the default value is used: 0 - 99.99 Hz)
Pulse width time requirement:
≥ 10 msec.
Input resistance:
200 Ω
Input range:
0 – 30 mA
Detecting level:
≤ 5 mA for Lo, ≥ 10 mA for Hi
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
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 4 VA
•
DC
: Operational voltage range: rating ±10 %,
ripple 10% p-p max.; approx. 2.5 W (100 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
Weight
: 350 g (0.77 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 %
Temp. coefficient
: ±0.01 %/°C (±0.006 %/°F)
Response time
: ≤ 0.5 sec. + one pulse cycle (0 –
90 %; with damper set to 0 sec.)
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @1 minute (input to output to power to ground)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
RoHS Directive
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM