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37
Technical Features
35
Electrical diagrams
36
40
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
RMS
between
output and measuring input, 4000 V
RMS
between output and
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
ON
1.2 VDC/ max.
100 mA. V
OFF
30 VDC max.
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
RMS
between
output and measuring input, 4000 V
RMS
between output and
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).
