Alstom i4MC, Manual

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i4MC&V/EN M/C User Manual
iSTAT i4MC&V
Page 11
2. HARDWARE
2.1 The Product
1 – Analogue output
2 – Auxiliary supply
3 – Voltage or
Current inputs
4 – Communications
port
5 – Power ON LED
FIGURE 2-1: I4MV SHOWING CONNECTIONS
2.2 Mounting
The
i4MC/V
measuring transducer is designed for DIN rail mounting. It should be mounted
on a 35 mm DIN rail by means of a plastic fastener. Before installation the fastener should
be in open position (pulled). After the device is in place, the fastener is locked (pushed) to
closed position.
2.3 Connections
The use and connection of the
i4MC/V
involves the handling of dangerous currents and
voltages. Only a qualified person should therefore perform the connection.
Before use:
Check voltages and phase rotation, supply voltage and nominal frequency.
Check protective fuse rating (the recommended maximum rating of the external protective
fuse for this equipment is 6A - Red Spot type or equivalent).
Warning:
Wrong or incomplete connection of supply, measurement or other terminals can
cause incorrect measurements, malfunction or damage to the device.
Note
: After connection, settings have to be performed via communication (connection mode,
current and voltage transformers ratio …).
2.4 Communications
The
i4MC/V
can be supplied with no communications, RS232 or RS485 communications,
which must be specified when ordering. The communication protocol available is Modbus
RTU, which enables the remote viewing of measurements and the viewing and setting of
system parameters.
2.4.1
RS232 or RS485 communications
The
i4MC/V
transducers can be supplied with either a RS232 or RS485 port (COM) via
terminals.