ES-3359 Rev.14
LTPF
Power Transducer Series LT-UNIT
POWER FACTOR TRANSDUCER
Functions & Features
• Providing a DC output signal in proportion to power factor
• DC output containing little ripple is ideal for computer input
• Isolation up to 2000 V AC
• High-density mounting
• Conforms to IEC 60688
Typical Applications
• Centralized monitoring and control of power management system in a manufacturing facility or building
• Measuring power factor for a motor
MODEL: LTPF–[1][2][3][4][5]–[6][7]
ORDERING INFORMATION
• Code number: LTPF–[1][2][3][4][5]–[6][7]
Specify a code from below for each of [1] through [7].
(e.g. LTPF-115PA-R/T/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01)
[1] CONFIGURATION
1
: 3-phase / 3-wire
4
: 3-phase / 4-wire
[2] VT INPUT (balanced load)
For 3-phase / 4-wire, phase voltages (e.g. 110 V / √3 ) are used.
1
: 100, 110, 115, 120 V AC
2
: 190, 200, 210, 220, 230, 240 V AC
4
: 380, 400, 415, 430, 440, 480 V AC
[3] CT INPUT (balanced load)
Current
1:
1 A AC
2:
2 A AC
5:
5 A AC
[4] OUTPUT SIGNAL POLARITY
P:
Negative in lag, positive in lead
M:
Negative in lead, positive in lag
[5] OUTPUT
Current
A:
4 – 20 mA DC (Load resistance 500 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)
[6] AUXILIARY POWER SUPPLY
AC Power
K3
: 100 – 120V AC
(Operational voltage range 85 - 132 V, 47 - 66 Hz)
L3
: 200 – 240V AC
(Operational voltage range 170 - 264 V, 47 - 66 Hz)
DC Power
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.)
(CE not available)
[7] OPTIONS (multiple selections)
Terminal Cover
blank
: Without
/T:
With
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
GENERAL SPECIFICATIONS
Connection
: M4 screw terminals (torque 1.2 N·m)
Screw terminal:
Chrome-plated 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
Note: A device which employs different measuring methods may show different outputs from ours with distorted input waveforms.
Frequency
: 50 or 60 Hz
■
VOLTAGE INPUT
Operational range
: 85 – 120 % of rating
Overload capacity
: 150 % of rating for 10 sec., 120 % continuous
Input burden
: 0.5 VA
■
CURRENT INPUT
Operational range
: 10 – 120 % of rating
Overload capacity
: 4000 % of rating for 1 sec., 2000 % for 4 sec., 120 % continuous
Input burden
: 0.1 VA (input 1 A)
0.2 VA (input 2 A)
0.5 VA (input 5 A)
■
Input range
:
Lag 0.5 – 1 – lead 0.5
Lead 0.5 – 1 – lag 0.5
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 10 V max.
■
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
Power Consumption
•
AC
: Approx. 2 VA
•
DC
: 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 input 1 – 0.866, balanced load
±4 % with input 0.866 – 0.5, balanced load (at 23°C ±10°C or 73.4°F ±18°F, 45 – 65 Hz)
Magnetic field (ext. origin) effect
: ±2 % (400 A/m)
Response time
: ≤ 2 sec. (0 – 100 % ±1 %)
Ripple
: 0.5 %p-p max.
Line voltage effect
: ±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)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Measurement Category II (input)
Installation Category II (auxiliary power)
Pollution Degree 2
Input to output or auxiliary power: Reinforced insulation (550 V)
Output to auxiliary power: Reinforced insulation (300 V)
RoHS Directive
CONNECTION DIAGRAM
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]