CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual de usuario descargar pdf (Pagina 7)

CARLO GAVAZZI

CONTROLS

SERIAL COMMUNICATION PROTOCOL

WM24-96

V1 R0

Page

The voltage, current and power variables format is depending on the current and voltage transformer

ratios according to the following tables:

CT ratio Model

Decimal point position for A-type variables

1 ÷ 10

All 1.111

11 ÷ 100

All 11.11

101 ÷ 1000

All 111.1

1001 ÷ 5000

All 1111

VT ratio Model

Decimal point position for V-type variables

100 VLL / 5A 111.1

208 VLL / 5A 111.1

400 VLL / 5A 111.1

1.0 ÷ 10.0

660 VLL / 5A 1111

100 VLL / 5A 1111

208 VLL / 5A 1111

400 VLL / 5A 1111

10.1 ÷ 100.0

660 VLL / 5A 11.11k

100 VLL / 5A 11.11k

208 VLL / 5A 11.11k

400 VLL / 5A 11.11k

100.1 ÷ 1000

660 VLL / 5A 111.1k

100 VLL / 5A 111.1k

208 VLL / 5A 111.1k

400 VLL / 5A 111.1k

1000 ÷ 1999

660 VLL / 5A 1111k

CT ratio x VT ratio Model

Decimal point position for P-type variables