Rockwell-automation 1405-M620 Operating Instructions Uživatelský manuál stáhnout pdf (Strana 10)

Publication 1405-IN002C-EN-P - November 2004

10 Bulletin 1405 (M620) Operating Instructions

Analog outputs selected as ‘I’, ‘=’, ‘P’ or ‘S’ provide a linear

measurement scaled from zero to the full-scale value as configured by

the V

nominal

and I

nominal

settings.

Refer to Table 4 and Table 5 for more information.

With the output range set to 0 to 20 mA, the relationships are:

Table 4

Line-to-line voltages (V

L-L

)

for 0 to 20 mA Range

10 mA V V

nom

⁄()1–()4 10 mA••+

Line-to-neutral voltages (V

L-N

)

for 0 to 20 mA Range

10 mA 3() VV

nom

⁄()1–()4 10 mA•••+

Currents

20 mA I I

nominal

⁄•

Power (per phase)

20 mA PX V

nominal

•⁄()⁄•

Total power

20 mA P V

nominal

3••()⁄•

Power factor

10 mA 10 mA 1 Cos f–()0.5 (capacitive⁄()•+

10 mA 10 mA 1 Cos f–()0.5 (inductive⁄()•–

With the output range set to 4 to 20 mA, the relationships are:

Table 5

Line-to-line voltages (V

L-L

)

4 mA 8 mA V V

nom

⁄()1–()48 mA••++

Line-to-neutral voltages (V

L-N

)

4 mA 8 mA 3() VV

nom

⁄()1–()48 mA•••++

Currents

4 mA 16 mA I I

nominal

⁄•+

Power (per phase)

4 mA 16 mA PX V

nominal

•⁄()⁄•+

Total power

20 mA P V

nominal

3••()⁄•

Power factor

4 mA 8 mA 8 mA 1 Cos f–()0.5 (capacitive)⁄•++

4 mA 8 mA 8 mA 1 Cos f–()0.5 (inductive)⁄•–+

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 23 24

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