DM16E1 / DM4E1 Operation and Installation Manual - 204-4001-19 14
2. TECHNICAL SPECIFICATIONS
2.1. Environmental Conditions
Operational temperatures: 0 to 60°C.
Relative humidity: up to 95% uncondensed.
2.2. Supply Unit
The supply of energy to the equipment is made through a tripolar cable (IEC-320 standard). When using
DC voltage, the cable must be cut near the AC connection plug and connected in such a way that the
central pin of the plug corresponds to the frame ground connection and the other two pins correspond to
power units. Polarity is not important, as shown in Figure 2, below. The body of the equipment is
connected directly to the frame ground.
The equipment can be connected to any voltage within the ranges specified below, without any kind of
manual selection. This is automatically done by the equipment, for both the main and backup units. The
backup unit is optional.
Figure 2. Power supply input panel
2.3. Consumption
To estimate the total consumption of the equipment, add the consumption of the basic unit to the
consumption of the aggregate interfaces used.
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