Rockwell-automation 1405-M620 Operating Instructions Manual do Utilizador descarregar pdf (Página 20)

cos

Reset energy counter

Publication 1405-IN002C-EN-P - November 2004

20 Bulletin 1405 (M620) Operating Instructions

Dimensions

Panel cut-outs should be 92 x 92 mm (3.6 x 3.6 in).

Specifications

Table 10 Measured Parameters

Parameter Value

Voltage, RMS (Vrms) V

L1-L2

/ V

L2-L3

/ V

L3-L1

L1-N

/ V

L2-N

/ V

L3-N

Instantaneous current

Average current (15 min.)

Peak current

, I

=, I

^, I

Real power P

, P

Apparent power S

, S

Total power (P, S, 3-Phase Power Factor) P

, S

, P

(power factor)

Power factor (Cos φ) Cos

, Cos

Net real energy, per phase energy, total

energy

, E

Energy counter range per phase 1000.000 MWh

Measuring rate Approx. 0.5 measurements / second

Update time 2 seconds

1 2 ... 15 16 17 18 19 20 21 22 23 24

Installation Instructions 1
Overview 1
Installation 2
Electrical Connections 3
Aux. Supply 4
Measurement Operations 5
Measurement Modes 6
"+" Key 7
Scrolls Down 7
"-" Key 7
Scrolls Up 7
Analog Outputs 8
Analog Output Connections 9
Modbus Communications 11
Instrument Set-Up 14
Begin settings 15
Indicates software version 15
Select nominal voltage 15
Display Functions 17
Under and overvoltage alarm 18
Auto-sequencing display 19
Reset peak current value 19
Dimensions 20
Specifications 20
Product Approvals 22
Catalog Number 23
Explanation 23
1405-M620-400-420 23
Installation Assistance 24

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