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Flow Cert Second Edition.pdf - Pulsar Process Measurement

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P215, P225, P235, P245, P255 Relay Setpoint 3<br />

P211, 221, 231, 241, 251 = 2 (Step Time)<br />

This parameter is used to determine the Limit Time between each Drive Period.<br />

Relay Setpoints are entered in Minutes, during which time the relay will remain<br />

OFF.<br />

See the appropriate relay Function tables (P211, 221, 231, 241, 251) for<br />

further information.<br />

Miscellaneous<br />

P210, 220, 230, 240, 250 = 4 (Miscellaneous)<br />

When a relay is set to be a miscellaneous relay, the second parameter<br />

determines its function.<br />

P211, P221, P231, P241, P251 - Relay Function,<br />

This function allows the relay to work in relation to a clock or a specific<br />

event and will be set to activate in relation to Real Time.<br />

Options<br />

Description<br />

0 = Off (Default) Relay Off de-energised<br />

1 = Clock Relay will energise ON at a specified time each<br />

day as set in Relay Setpoint 1 (P213, 223, 233, 243,<br />

253). And turns OFF, de-energises, after the<br />

specified On Time period as set in Relay Setpoint 2<br />

(P214, 224, 234, 244, 254)<br />

2 = Totaliser Relay will energise ON momentarily each time the<br />

specified volume has passed as set in Relay<br />

setpoint 1 (P213, 223, 233, 243, 253), this<br />

parameter sets the multiplication factor which will<br />

be applied to the on board totaliser (P820) to<br />

determine the switch point of the relay. E.g. if the<br />

totaliser is set to totalise in cubic metres and the<br />

relay is required to provide a closure every 10,000<br />

litres Relay setpoint 1 would be set to 10. Relay<br />

setpoint 2 (P214, 224, 234, 244, 254) is used to<br />

select the time the relay will remain closed in<br />

seconds.<br />

Page 105

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