51U-2A1-R1 datasheet(5/16 Pages) MSYSTEM

5 / 16 page

MODEL

51U-0

MODEL & SUFFIX CODE SELECTION

SINGLE-PHASE / 2-WIRE CONNECTION

51U–0❑❑–❑❑

MODEL

INPUT (balanced)

0 : Single-phase / 2-wire, 105V / 5A AC

DISPLAY ITEMS

C : A, V

D : A, V, kW

E : A, V, kWh

F : A, kW, kWh

J : A, DA, MDA

K :A or DA, MDA, alarm setpoint

N :V, kW, kWh

P :A or DA or MDA, V, kWh

U :V, Hz

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

V = Line voltage

A = Line current

kW = Kilowatt

kWh = Kilowatthours

Hz = Frequency

DA = Demand (current)

MDA = Maximum demand (current)

OUTPUT (selectable display items codes)

0 : None (J K W with reset input)

1 :4 – 20mA DC, 3 points (C D U)

2 :4 – 20mA DC, 2 points + pulse (E F N P)

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

4 : RS-485 (all codes selectable except K W)

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

ORDERING INFORMATION

Specify code number. (e.g. 51U-0D4-M1)

CONNECTION DIAGRAM

C, D, E, F, N, P, W

Suffix Codes

J, K (measuring current only)

U (measuring voltage only)

■ INPUT

1L 3S

CH1

CH2

CH3

Dis

Output

Input

Power

■ POWER

DC or AC

POWER

TERMINATOR

RS-485

DISPLAY

SWITCHING

POWER

Dis.

–

•RS-485

Close across the terminator

when the unit is located at

the end of transmission line.

DISPLAY

SIWTCHING

POWER

Dis.

Ter

•Without Outputs

■ OUTPUT

•4 – 20mA DC, 3 points

(See the following pages.)

•4 – 20mA DC, 2 points

+ pulse 1 point

(See the following pages.)

•4 – 20mA DC, 2 points

+ reset input

(See the following pages.)

P. 5 / 16

ES-6481 Rev.9

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