User Manual M2x2/EN M/F
iSTAT M2x2
Page 11
TABLE 7-2 : HARDWARE
M212 M232
Large backlit LCD 128 x 64
LED alarm indication
5 key menu
Autorange Volts and Current
inputs (Volts optional)
Universal Power supply AC/DC
4 Energy counters
6.5 Communication and inputs/outputs
The M
232 is fitted as standard with RS232, RS485 or USB communications supporting
Modbus RTU.
The M2x2 has two rear hardware modules; module 1 is always fitted with pulse contact
outputs which on the M232 can also be used as alarm outputs if pulses are not required.
Tariff inputs on module 2 are available as an option.
TABLE 7-3 :
COMMUNICATIONS and I/O
M212 M232
RS232, RS485 or USB
Modbus RTU
2 energy contacts
2 tariff inputs (optional)
2 alarm contacts (using energy
contacts)
6.6 User features
The M2X2 family has a wide range of user features that are designed to make the
installation and commissioning simple. These features are summarised in TABLE 7-4 below.
The Setup
Wizard takes the user through the basic settings required to set up the M2x2. The
benefit of the wizard is that it leads the commissioning engineer through all the basic settings
required to install the M2x2 correctly.
The M2x2 will monitor the voltage and current polarity and when it detects that an input has
been incorrectly connected it will display a warning symbol on the display. This is useful
when direction is important, such as in energy applications, to ensure that the values
calculated are correct.
The M2x2 provides many different measurements that the operator can scroll through and
read on the display. If the operator only wants to see a small number of measurements, they
can configure the display to show up to 3 customised screens. The refresh time is
programmable to enable the operator time to interpret the information on the display.
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