MODEL: LPCE

http://www.m-system.co.jp/

LPCE SPECIFICATIONS

ES-1952 Rev.2 Page 2/3

channels

Input waveform: Up to 15 % of 3rd harmonic content

Overrange output: 0 to 120 % at 1 – 5 V

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

Frequency: 50 or 60 Hz

• VT Input

Input burden: 0.3 VA

Overload capacity: 150 % of rating for 10 sec.,

120 % continuous

Operational range: 0 – 120 % of rating

• CT Input

Input burden: 0.5 VA

Overload capacity: 1000 % of rating for 3 sec., 200 % for 10

sec., 120 % continuous

Operational range: 0 – 120 % of rating

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 10 V max.

■ DC Voltage: 0 – 12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 1 mA max.; at ≥ 0.5 V

150

300V

IN

0

5

OUT

10V

■ OPERATION DIAGRAM (example)

•VT Input

0

150

300V

IN

0

12

OUT

20mA

4

2.5

5A

IN

0

5

OUT

10V

•CT Input

0

2.5

5A

IN

0

12

OUT

20mA

4

INSTALLATION

Auxiliary power supply

•AC: Operational voltage range: rating -15/+10 %,

50/60 Hz, approx. 3 VA

•DC: Operational voltage range: rating ±10 %

ripple 10 %p-p max., approx. 3 W (125 mA at 24 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: 400 g (0.88 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F,

45 – 65 Hz)

Response time: ≤ 1 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

(input to output to auxiliary power to ground, between

channels)

Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV

(input to output or ground)