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.)
50
(1.97)
80
(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
0
^
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/