MODEL: LDPA
Power Transducer Series L-UNIT
[3] OPTIONS (multiple selections)
Mounting
blank: Surface
PT TRANSDUCER
/D: DIN rail
(super-miniature size; self-powered;
average sensing; RMS calibrated)
Functions & Features
Other Options
blank: none
/Q: Option other than the above (specify the specification)
• Converting an alternating voltage from a potential
(voltage) transformer into a standard process signal
• Minimum ripple
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
• No auxiliary power source required
• Isolation up to 2000 V AC
• High-density mounting
/C02: Polyurethane coating
/C03: Rubber coating
Typical Applications
TERMINAL SCREW MATERIAL
/S01: Stainless steel
• Centralized monitoring and control of power line and
power supply voltages measured at switch boards
• Monitoring abnormal voltage drops for detecting overload
GENERAL SPECIFICATIONS
Construction: Stand-alone; terminal access at the front
Connection: M4 screw terminals (torque 1.2 N·m)
Screw terminal: Nickel-plated brass (standard) or stainless
steel
60
(2.36)
Housing material: Flame-resistant resin (black)
Isolation: Input to output
46
(1.81)
Input waveform: Sine wave
44 (1.73)
Overrange output: 60 – 120 % at 0 – 5 V
Span adjustment: 95 to 105 % (front)
mm (inch)
MODEL: LDPA–[1][2][3]
INPUT SPECIFICATIONS
Frequency: 50 or 60 Hz
Input burden: 2 VA
ORDERING INFORMATION
• Code number: LDPA–[1][2][3]
Specify a code from below for each [1] through [3].
(e.g. LDPA-55/D/Q)
Overload capacity: 150 % of rating for 10 sec., 120 %
continuous
Operational range: 60 – 120 % of rating
• Specify the specification for option code /Q
(e.g. /C01/S01)
OUTPUT SPECIFICATIONS
■ OPERATION DIAGRAM
OUT %
100
[1] INPUT
Voltage
5: 0 – 150 V AC (used within 90 – 150 V)
6: 0 – 300 V AC (used within 180 – 300 V)
50
0
0
50 (60)
100
IN %
[2] OUTPUT
Current
Note: The described accuracy is not assured within 0 – 60%
of the rating, though output signal exists.
G: 0 – 1 mA DC (Load resistance 5000 Ω max.)
Voltage
3: 0 – 1 V DC (Load resistance 2000 Ω min.)
4: 0 – 10 V DC (Load resistance 20 kΩ min.)
5: 0 – 5 V DC (Load resistance 10 kΩ min.)
http://www.m-system.co.jp/
LDPA SPECIFICATIONS
ES-1944 Rev.7 Page 1/3