51U-2A1-R2 datasheet(1/16 Pages) MSYSTEM

部件名	51U-2A1-R2

功能描述	Panel Mounted Multi Power Meter 51-UNIT

PDF	16 Pages

Scroll/Zoom	100%

制造商	MSYSTEM [M-System Co.,Ltd.]

网页	https://www.m-system.co.jp/

标志

1 / 16 page

MODEL

Panel Mounted Multi Power Meter 51-UNIT

51U

Functions & Features

• Measuring all major factors required for power &

energy management • Transducer combined with

3 displays in one enclosure • RS-485 or DC current

output • Totalized counter values stored in non-vola-

tile memory • Occupying less panel space, requir-

ing fewer connection• Easily replacing standard 110

mm (4 5/16 in.) square size, long scale meter • Pa-

rameters are field-selectable

Application Examples

• Updating conventional power meter to a remote

controlled power logger, only with additional trans-

mitter output wiring • Installed within an indus-

trial piece of electrical equipment

MODEL & SUFFIX CODE SELECTION

DEFAULT SETTING

MULTI POWER METER

DISPLAY

A

V

x1kW

x10kW

R

S

T

R-S

S-T

T-R

110 (4.33)

110

(4.33)

126

(4.96)

mm (inch)

*1 : Some display items or output types are not selectable

according to the input type. See the detailed selection

guide in the following pages.

*2 : Page No. of the detailed selection guide

*3 : V = Line voltage

A = Line current

kW = Kilowatt

kvar = Kilovar

PF = Power factor

Hz = Frequency

kWh = Kilowatthours

kvarh = Kilovarhours

DA = Demand (current)

MDA = Maximum demand (current)

V0 = Zero-phase voltage

MV0 = Maximum zero-phase voltage

ITEM

DEFAULT SETTING

CT primary rating

5.00A (element S for demand,

time lag 15 min.)

VT primay rating

110.0V or 220.0V, same as input rating

GVT tertiary rating

110.0V

Frequency range

45 – 65 Hz

Pulse out. scaling factor 1 kWh/pulse (kvarh/pulse)

Demand alarm setpoint

100%

RS-485

Address: 01

Transmission speed: 4800 bps

51U–❑❑❑–❑❑

MODEL

INPUT (balanced load) *1

0 : Single-phase / 2-wire, 105V / 5A AC (P. 5/16) *2

1 : Single-phase / 3-wire, 105V / 210V / 5A AC (P. 7/16)

2 : 3-phase / 3-wire, 220V / 5A AC (P. 10/16)

3 : 3-phase / 3-wire, 110V / 5A AC (P. 10/16)

4 : 3-phase / 4-wire, 110V / √ 3 V / 5A AC (P. 13/16)

DISPLAY ITEMS *3

A :A × 3

B :V × 3

C :A × 3, V × 3

D :A × 3, V × 3, kW

E :A × 3, V × 3, kWh

F :A × 3, kW, kWh

G : Hz, PF, kvar

H :V × 3, MV0, V0

J :A × 3, DA, MDA

K :A × 3 or DA, MDA, alarm setpoint

L : Hz, PF, kW

M :PF, kW, kWh

N :V × 3, kW, kWh

P :A × 3 or DA or MDA, V × 3, kWh

Q :A × 3, PF, kW

R :A × 3, PF, kvar

S :A × 3 or PF, kW, kWh

T :A × 3, PF, kvarh

U :V × 3, Hz

W :A × 3 or DA or MDA, V × 3, alarm setpoint

X :A × 3, kvar, kvarh

Y : Hz, PF, kWh

OUTPUT

0 :None

1 :4 – 20mA DC, 3 points

2 :4 – 20mA DC, 2 points + pulse

3 :4 – 20mA DC, 2 points + reset input

4 : RS-485 (MsysNet use only. Consult Factory.)

AUXILIARY POWER SUPPLY

M : 85 – 264V AC

R : 24V DC

P :110V DC

REMOTE CONTROL

1 : 85 – 132V AC or 85 – 143V DC

2 : 20 – 30V DC

3 : 170 – 264V AC

P. 1 / 16

ES-6481 Rev.9

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