CARLO GAVAZZI WM24-96 - PROGRAMMING User Manual page 38

Connections: 2 or 4 wires, max. distance 1200m, termina-
tion directly on the instruments.
Addresses: from 1 to 255, selectable by key-pad
Protocol: MODBUS/JBUS (RTU)
Data (bidirectional) Dynamic (reading only)
System and phase variables: see "display pages" on page 41
All configuration parameters, activation of the static output.
Data format: 1 start bit, 8-data bit, no parity,1 stop bit.
Baud-rate: 9600.
Insulation: By means of optocouplers, 4000 V
output and measuring input, 4000 V
power supply input.
RS232 (optional)
Bidirectional (static and dynamic variables)
Connections: 3 wires, max. distance: 15m.
Data format: 1 start bit, 8 data bit, no parity, 1 stop bit.
Baud-rate: 9600 bauds. Protocol: MODBUS (JBUS)
Other features: as per RS422/485
Pulse outputs (optional)
Number of outputs: Up to 2
Type: from 1 to 100 programmable pulses V
100 mA. V
OFF
The outputs can be connected to total and/or partial en. meters.
Pulse duration: ON=220 ms, OFF 220 ms according to
DIN43864
Insulation: By means of opto-couplers, 4000 V
output and measuring input, 4000 V
power supply input.
Notes: outputs can be open collector or relay type (for the
relay output refer to the technical features described in the
alarms).
Electrical diagrams
35
Technical Features
30 VDC max.
36
between output and
RMS
ON
between output and
RMS
40
37
between
RMS
1.2 VDC/ max.
between
RMS