Yokogawa 212 Heat Calculator User Manual

Page 10

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Flowmeter Input

Type:

Frequency or Pulse between 0.01Hz to 20kHz.
Default low frequency cut-off is 0.25Hz.

Signal Type:

Pulse, open collector, reed switch, proximity
switch or coil.

K-factor range:

Programmable between 0.001 to 999,999.9 pulse
per litre, m

3

, US gallon or ft

3

.

Location:

In either the feed or return lines.

Temperature Sensor (RTD) Input

Sensor Type:

Pt100 to IEC 751.

Connection Type:

Four wire.

Location:

Two RTD inputs, one for the feed and a second

for the return lines.

Linearisation:

Built in RTD linearisation.

Temperature Range:

-10°C to 220°C.

RTD Cable Length:

< 50m.

Pulse Out

Pulse Width:

10ms.

Type:

Open collector will sink up to 100mA.

30Vdc Maximum.

Function:

Volume or Energy (scaled).

Frequency:

1 pulse every preset number of units of energy or

volume total.

Power Requirements

dc Power:

12 to 24V dc @ 100mA maximum.

ac Power:

Supplied via a power adapter.

8 Specification

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