ES-1981 Rev.14
LPA
Power Transducer Series L-UNIT
PHASE ANGLE TRANSDUCER
Functions & Features
• Providing a DC output signal in proportion to phase angle
• DC output containing little ripple is ideal for computer input
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Centralized monitoring and control of power management system in a manufacturing facility or building
• Measuring phase angle for a motor
MODEL: LPA–[1][2][3][4]–[5][6]
ORDERING INFORMATION
• Code number: LPA–[1][2][3][4]-[5][6]
Specify a code from below for each of [1] through [6].
(e.g. LPA-11PA-C/Q)
• Special DC output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[1] CONFIGURATION
1
: 3-phase / 3-wire
4
: 3-phase / 4-wire
[2] INPUT (balanced load)
1
: 110 V / 5 A AC
2
: 110 V / 1 A AC
3
: 220 V / 1 A AC
4
: 220 V / 5 A AC
5
: 220 V / 380 V / 1 A AC (3-phase / 4-wire)
6
:
220 V / 380 V / 5 A AC (3-phase / 4-wire)
7
: 110 V / 190 V / 1 A AC (3-phase / 4-wire)
8
:
110 V / 190 V / 5 A AC (3-phase / 4-wire)
(220 V in code
5
and
6
, and 110 V in code
7
and
8
are phase voltage)
[3] OUTPUT SIGNAL POLARITY
P:
Negative in lag, positive in lead
M:
Negative in lead, positive in lag
[4] OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
FW
: -10 – +10 mA DC (Load resistance 1000 Ω max.)
GW
: -1 – +1 mA DC (Load resistance 10 kΩ max.)
JW
: -5 – +5 mA DC (Load resistance 2000 Ω max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
6
: 1 – 5 V DC (Load resistance 5000 Ω min.)
1W
: -10 – +10 mV DC (Load resistance 10 kΩ min.)
2W
: -100 – +100 mV DC (Load resistance 100 kΩ min.)
3W
: -1 – +1 V DC (Load resistance 1000 Ω min.)
4W
: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W
: -5 – +5 V DC (Load resistance 5000 Ω min.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[5] AUXILIARY POWER SUPPLY
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
R
: 24 V DC
V
: 48 V DC
P
: 110 V DC
[6] 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
: Stand-alone; terminal access at the front
Connection
: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: Voltage input to current input to output to auxiliary power
Computation:
Phase angle detection
Overrange output
: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
INPUT SPECIFICATIONS
■INPUT
Frequency
: 50 or 60 Hz
•
Voltage Input
Input burden
: 0.5 VA
Operational range
: 85 – 120 % of rating
Overload capacity
: 150 % of rating for 10 sec., 120 % continuous
•
Current Input
Input burden
: 0.1 VA (input 1 A)
0.5 VA (input 5 A)
Operational range
: 10 – 120 % of rating
Overload capacity
: 1000 % of rating for 3 sec., 200 % for 10 sec., 120 % continuous
■ Input range:
Lag 60° – 0 – lead 60°
Lead 60° – 0 – lag 60°
OUTPUT SPECIFICATIONS
■ DC Current
: -10 – + 20 mA DC
Span
: Min. 1 mA, max. 20 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 12 V maximum; 10 V for [±] output
■
DC Voltage
: -10 – +12 V DC
Minimum span
: 5 mV
Offset
: Max. 1.5 times span
Load resistance
: Output drive 1 mA max. at ≥ 0.5 V
INSTALLATION
Auxiliary power supply
•
AC
: Operational voltage range: rating -15/+10 %,
50/60 Hz, approx. 2 VA
•
DC
: Operational voltage range: rating ±10 %,
or 85 – 150 V for 110 V rating, ripple 10 %p-p max.,
approx. 2 W (18 mA at 110 V)
Operating temperature
: -10 to +55°C (14 to 131°F)
Operating humidity
: 30 to 85 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 450 g (0.99 lb)
PERFORMANCE in percentage of span
Accuracy
: ±2 % with balanced load
(at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz)
Response time
: ≤ 2 sec. (0 – 100 % ±1 %)
Ripple
: 0.5 %p-p max.
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 2000 V AC @ 1 minute
(voltage input to current input to output to auxiliary power to ground)
Impulse withstand voltage
: 1.2 / 50 μsec., ±5 kV
(input to output or ground)
CONNECTION DIAGRAM
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm [inch]