Yokogawa 212 Heat Calculator User Manual

Page 56

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6.3 POWER SUPPLY

The Model 212 will operate from a central 12-24 Volts dc source and typically
draws around 60mA.

A power adapter is supplied as standard and this supply can also be used to power
the flowmeter, alarms and peripheral items.

The flexible power supply system allows:

1. The Model 212 to be operated from a low cost power adapter.

2. Multiple units to be powered from a single power source.

3. Mains powered systems with battery backup to be easily implemented

using standard sealed lead acid batteries.

By separating the ac power from the main Model 212, the system is completely
safe to install and reduces the need for qualified electricians to complete the
wiring.

54 Input & Output Connections

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