MODEL: LPA
■ OPERATION DIAGRAM (example)
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
• Negative in lag, positive in lead
OUT
20mA
OUT
+10V
12
4
0
Housing material: Flame-resistant resin (black)
Isolation: Voltage input to current input to output to
auxiliary power
-10V
60°
(Lag)
0
60°
(Lead)
60°
(Lag)
0
60°
(Lead)
Computation: Phase angle detection
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
• Negative in lead, positive in lag
OUT
20mA
OUT
+10V
Span adjustment: 95 to 105 % (front)
12
4
0
INPUT SPECIFICATIONS
■INPUT
-10V
60°
(Lag)
0
60°
(Lead)
60°
(Lag)
0
60°
(Lead)
Frequency: 50 or 60 Hz
•Voltage Input
Input burden: 0.5 VA
Remark: When there is no input voltage or 5% or less of the rated
input current, the output may become unstable (hunting).
Operational range: 85 – 120 % of rating
Overload capacity: 150 % of rating for 10 sec., 120 %
continuous
INSTALLATION
Auxiliary power supply
•Current Input
Input burden: 0.1 VA (input 1 A)
0.5 VA (input 5 A)
•AC: Operational voltage range: rating -15/+10 %,
50/60 Hz, approx. 2 VA
Operational range: 10 – 120 % of rating
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10
sec., 120 % continuous
•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)
■ Input range:
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 85 %RH (non-condensing)
Mounting: Surface or DIN rail
Lag 60° – 0 – lead 60°
Lead 60° – 0 – lag 60°
Weight: 450 g (0.99 lb)
OUTPUT SPECIFICATIONS
■ DC Current: -10 – + 20 mA DC
Span: Min. 1 mA, max. 20 mA
Offset: Max. 1.5 times span
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.
Load resistance: Output drive 12 V maximum; 10 V for [±]
output
■ DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
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)
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max. at ≥ 0.5 V
Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV
(input to output or ground)
http://www.m-system.co.jp/
LPA SPECIFICATIONS
ES-1981 Rev.13 Page 2/3