ES-1370 Rev.15

PPD

Plug-in Signal Conditioners M-UNIT

PULSE ISOLATOR

(built-in excitation)
Functions & Features
• Galvanically isolating pulse rate signals
• Input frequency = output frequency
• Various outputs (relay, open collector and voltage pulses)
• Excitation
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Isolating field pulse signals in order to reduce noises
• Changing e.g. dry contact signal to e.g. 5 V signals
 

MODEL: PPD–[1][2][3][4][5]–[6][7]

ORDERING INFORMATION

• Code number: PPD-[1][2][3][4][5]-[6][7]
Specify a code from below for each of [1] through [7].
  (e.g. PPD-D4A3N-K/Q)
• Output pulse width (e.g. 75 msec.)
Use Ordering Information
Sheet (No. ESU-1370). Default setting (table below) will be used if not otherwise specified.
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] INPUT

A: Dry contact
B: Voltage pulse (Specify sensitivity)
C: 5 V pulse (sensitivity 2 V)
D: 12 V/24 V pulse (sensitivity 5 V)
H: Two-wire current pulse

[2] EXCITATION

1: 5 V DC @ 120 mA
4: 12 V DC @ 60 mA
7: 24 V DC @ 25 mA

[3] OUTPUT

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. frequency 50 kHz)
H: High power photo MOSFET relay (max. 20 Hz)
( ) = Max. frequency

[4] OUTPUT PULSE WIDTH

1: Equal to the input
3: One-shot output (std. pulse width 50 msec.)
(Specify when optional pulse width is required.)

[5] OUTPUT LOGIC

N: The same as the input
R: Inverted

[6] POWER INPUT

AC Power
K: 85 – 132 V AC
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
DC Power
S: 12 V DC
(Operational voltage range 12 V ±10 %, ripple 10 %p-p max.)
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
V: 48 V DC
(Operational voltage range 48 V ± 10 % , ripple 10 % p-p max.)
P: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)

[7] 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

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 or sensor exc. to output to power
DIP SW1 & SW2: Used for input spec. setting
Input monitor (PL1): Red LED blinks when pulse input
Input monitor (PL2): Not used
Excitation adjustment: 5 – 24 V DC
Input pulse sensing: DC coupled standard or AC coupled
Input filter: None, 10 ms (for chattering), 0.1 ms (for noise), selectable with DIP switch

INPUT SPECIFICATIONS

Excitation: Shortcircuit protection; approx. 440 mA at shortcircuit
Pulse width time requirement: ≥ 5 μsec.
The detecting levels shown below are default value. Refer to the manual for adjustment.
 Dry Contact
Max. frequency
: 100 kHz
Detecting Conditions
Exc. code: 1
  Sensing: 5 V DC / 0.5 mA 
  Detecting level:
   OFF: ≥ 2.25 V / ≥ 8.2 kΩ 
   ON: ≤ 1.75 V / ≤ 5.3 kΩ
Exc. code: 4
  Sensing: 12 V DC / 1.2 mA 
  Detecting level:
   OFF: ≥ 2.25 V / ≥ 2.3 kΩ 
   ON: ≤ 1.75 V / ≤ 1.7 kΩ
Exc. code: 7
  Sensing: 16 V DC / 2.4 mA 
  Detecting level:
   OFF: ≥ 2.25 V / ≥ 1 kΩ 
   ON: ≤ 1.75 V / ≤ 0.8 kΩ
Sensing voltage means the excitation supply to the sensor and the current value indicates that at shortcircuit.
Detecting level means the threshold used to determine ON or OFF status of the pulses and the resistance values indicated that of the sensor.
Voltage Pulse
Maximum frequency
: 100 kHz
Customised pulse: Specify DC offset and amplitude.
Waveform: Square or sine
Input impedance: ≥ 10 kΩ
Input amplitude: 0.5 – 50 Vp-p
Max. voltage between input terminals: 50 V
5 V, 12 V, 24 V Pulse
Waveform
: Square or sine
Input impedance: ≥ 10 kΩ
Detecting level
 5 V Pulse:  VH ≥ 2.25 V, VL ≤ 1.75 V  
 12 V / 24 V Pulse: VH ≥ 5.25 V, VL ≤ 4.75 V 
(VH – VL ≥ 500 mV)
Two-wire Current Pulse
Max. frequency
: 100 kHz
Input resistance: receiving resistor 100 Ω
Input range: 0 – 25 mA
Hi/Lo level: ≤ 9.5 mA for Lo, ≥ 14.5 mA for Hi

OUTPUT SPECIFICATIONS

High Power Photo MOSFET Relay
Maximum frequency: 20 Hz
Rise time: 5 msec.
Sink time: 3 msec.
Rating: 120 V AC or 120 V DC @ 200 mA (resistive load)
On resistance: 3 Ω
Open Collector
Maximum frequency
: 100 kHz
50 V DC @ 50 mA (resistive load)
Saturation voltage: 0.5 V DC
■ Voltage Pulse: Rating (5, 12 or 24 V) ±10 %
Maximum frequency: 100 kHz (50 kHz for 24 V)
Load resistance: ≥ 1.2 kΩ
Low level: ≤ 0.5 V

OUTPUT PULSE WIDTH

■ Equal to the input: Output waveforms have the same period and duty ratio as those of input waveforms (when DC coupled).
One-shot Output
The PPD detects a pulse sink and outputs [input pulse width ±20 %]; 50 msec. standard
Note: 2 types of one-shot detection are available: pulse rise or sink. Refer to the table on the "Output Logic" section and specify when ordering.
Optional pulse width: 30 μsec. – 300 msec.

INSTALLATION

Power consumption
AC: Approx. 6 VA
DC: Approx. 6 W (230 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: 200 g (0.44 lb)

PERFORMANCE

Response time
Open collector or voltage pulse
: the output is delayed at both pulse rise and fall by 3 μsec. each. The delay could be much longer for certain types of load for open collector.
High power photo MOSFET relay: the output is delayed by 10 msec. at the rise, by 3 msec. at the fall.
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. If you need to change hardware setting, refer to the instruction manuals of the transmitter.

OUTPUT LOGIC

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM