Carlo Gavazzi WM4-96 - Manual (Page 75)

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75
Technical features
Load profile
73
Additional errors
72
79
83
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Output specifications
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RS422/RS485 (on request)
Bidirectional multidrop (static and dynamic variables)
Connections: 2 or 4 wires, max. distance 1200m, termina-
tion directly on the module.
Addresses: from 1 to 255, key-pad programmable.
Protocol: RTU MODBUS/JBUS.
Data (bidirectional) dynamics (reading only): all displayable
variables.
Statics (reading only): all the configuration parameters, ener-
gy reset, activation of digital outputs.
Data format: 1 start-bit, 8 data-bit, no parity/even
parity/odd parity, 1 stop bit.
Baud rate: 1200, 2400, 4800 and 9600bit/s selectable.
Insulation: by means of optocouplers, 4000 V
RMS
between
output and measuring input, 4000 V
RMS
between output and
power supply input.
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RS232 (on request)
Bidirectional (static and dynamic variables)
Connections: 3 wires, max. distance 15m.
Data format: 1 start bit, 8 data bit, no parity, 1 bit stop.
Baud rate: 2400, 4800, 9600, 38400 bit/s.
Protocol: MODBUS RTU (JBUS).
Other features: as per RS422/485.
Communication by means of modem
Analogue modem for the remote communication of all the
data measured and managed by WM4.
Recommended external communication modem: US
Robotics.