CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual de usuario descargar pdf (Pagina 16)

CARLO GAVAZZI

CONTROLS

SERIAL COMMUNICATION PROTOCOL

WM24-96

V1 R0

Page

3.2 PROGRAMMING PARAMETERS

ADDRESS BYTE PARAMETER DESCRIPTION

0C8E 2 password Password

0C90 2 Vt_ratio Voltage transformer ratio

0C92

2 Ct_ratio Current transformer ratio

0C94

4 Pt_ratio Power transformation ratio

0C98 2 System System type

0C9A 2 P_int Integration period (dmd)

0C9C

2 Counter Meter working mode selection

0C9E 2 Pre_cn1 Meter 1 prescaler (gas)

0CA0 2 Pre_cn2 Meter 2 prescaler (gas)

0CA2 2 Pulse 1 Pulse rate, pulse output 1

0CA4

2 Pulse 2 Pulse rate, pulse output 2

0CA6 2 Sel_pul1 Meter associated to pulse output 1

0CA8 2 Sel_pul2 Meter associated to pulse output 2

0CAA

2 Sel_dig1 Digital output 1 working mode selection

0CAC

2 Var_dig1 Variable associated with the alarm output 1

0CAE 2 Range_dig1 Alarm 1 setpoint format

0CB0 2 Dig_on1 Alarm 1 activation setpoint

0CB2

2 Dig_off1 Alarm 1 deactivation setpoint

0CB4

2 Rel_type1 Normally energised/de-energised output 1

(ND/NE)

0CB6

2 Rel_delay1 Alarm 1 delay time

0CB8 2 Sel_dig2 Digital output 2 working mode selection

0CBA 2 Var_dig2 Variable associated with the alarm output 2

0CBC 2 Range_dig2 Alarm 2 setpoint format

0CBE

2 Dig_on2 Alarm 2 activation setpoint

0CC0 2 Dig_off2 Alarm 2 deactivation setpoint

0CC2 2 Rel_type2 Normally energised/de-energised output 2

(ND/NE)

0CC4 2 Rel_delay2 Alarm 2 delay time

0CC6 2 Address Address of the instrument (RS485)

0CC8

2 Filter_rng Operating range of the digital filter

0CCA

2 filter_coe Filtering coefficient

The maximum and minimum limits of the programmable parameters are listed below, together with

their meaning and format.

3.2.1 password

MINIMUM MAXIMUM FORMAT

0 1000 1111

Note: entering the value 782 the programming mode can be entered via keypad (reset password).

3.2.2 vt_ratio

MINIMUM MAXIMUM FORMAT

10 50000 111.1

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CARLO GAVAZZI EM21 - COMMUNICATION PROTOCOL V1 REV0 Manual de usuario Pagina 16

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