MODEL: 54UL

54UL SPECIFICATIONS

ES-6488 Rev.5 Page 2/8

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

Terminal block, housing: IP 30

Connection

Voltage input: M4 screw terminals (torque 1.4 N·m)

Current input: M4 screw terminals (torque 1.4 N·m)

Discrete input, discrete output, LonWorks, auxiliary power

supply: M3 screw terminals (torque 0.6 N·m)

Configuration

Code 1: Single phase/2-wire and 3-wire, 3-phase/3- wire

balanced/unbalanced load

Code 2: Single phase/2-wire and 3-wire, 3-phase/3- wire

balanced/unbalanced load, 3-phase/4- wire

balanced/unbalanced load

Screw terminal

• M3 screw: Nickel-plated steel (standard) or stainless steel

• M4 screw: Nickel-plated brass (standard) or stainless steel

Housing material: Flame-resistant resin (black)

Isolation: Voltage input to current input to discrete input to

LonWorks or FG to discrete output to power

■ Measured variables

Voltage: 1 – 2, 2 – 3, 3 – 1, 1 – N, 2 – N, 3 – N

Current: 1, 2, 3, N

Active / reactive / apparent power: 1, 2, 3, Σ

Power factor: 1, 2, 3, Σ

Frequency

Phase angle between voltages: 1 – 2, 2 – 3, 3 – 1

Active energy incoming / outgoing: Σ

Reactive energy inductive / capacitive: Σ

Apparent energy: Σ

Active / reactive / apparent power intervals (demand)

Current intervals (demand): 1, 2, 3, N

Harmonic contents: Σ, 2nd to 31st

Voltage: 1 – 2, 2 – 3, 3 – 1, 1 – N, 2 – N, 3 – N

Current: 1, 2, 3, N

Max. and min. values: 1 = R, 2 = S, 3 = T

Infrared communication: Transmission distance max. 1

meter (for use with the COP-IRU and PMCFG)

■ DISPLAY: LCD with LED backlight (LED OFF timer

available)

Signed: 4 digits, 2 lines

Energy: 9 digits, 1 line

Bargraph: 1 point (60 segments)

LonWorks COMMUNICATION

Neuron chip: FT3150 (NeuronID printed in numeric and

bar code [peel-off code 39 format] under the

specification marking on the product; two

sticker labels attached)

Transceiver: FT-X1 (equivalent to FTT-10A)

Transmission speed: 78 kbps Twisted-pair cable

Distance, free topology: 500 meters

Max. 64 nodes/channel

LNS: Ver.3.0 Service Pack 8 or higher

Service lamp: Red LED (used as infrared LED for

communication with COP-IRU)

• Off: Normal operations

• Blinking in approx. 0.5 Hz: No network information

• On: Internal program error

SERVICE switch: Used to identify the node in LonWorks

network configuration

RESET switch: Resetting the Neuron Chip

INPUT SPECIFICATIONS

Frequency: 50 / 60 Hz (45 – 65 Hz)

• Voltage Input

Rated voltage

Line-to-line (delta voltage): 480 V

Line-neutral (phase voltage): 277 V

Overload capacity: 200 % of rating for 10 sec., 120 %

continuous

Selectable primary voltage range: 50 – 400 000 V

• Current Input

Rated current: 1 A or 5 A

Overload capacity: 4000 % of rating for 1 sec., 2000 % for

4 sec., 120 % continuous

Selectable primary current range: 1 – 20 000 A

Operational range

Voltage, current, apparent power: ≤ 120 % of the rating

Active / reactive power: -120 to +120 % of the rating

Frequency: 45 – 65 Hz

Power factor: -1 to +1

■ Discrete Input: 24 V DC or 110 V DC

(input resistance 6 kΩ)

Detecting voltage: External 24 V DC ±10 % or 110 V DC

±10 %

ON current: ≥ 1 mA (≤ 24 kΩ @ 24 V, ≤ 110 kΩ @110 V)

OFF current: ≤ 0.1 mA (≥ 240 kΩ @ 24 V, ≥ 1.1 MΩ @ 110

V)

Detecting time: 10 – 1000 msec.

Usable to reset energy count or to update average

(demand) value.

OUTPUT SPECIFICATIONS

■ Open Collector

Programmable for either alarm or energy count.

Max. rated load: 130 V DC @50 mA

Continuous rated load: 130 V DC @30 mA

Saturation voltage: 1.5 V DC

Measurands applicable to alarm: Voltage, current, average

current (demand), neutral current, frequency, power,

average power (demand)

(ON delay, deadband and other parameters are selectable)