Toho-electronics TTM200 Manuel d'utilisateur télécharger pdf (Page 189)

48-7009-E 6-41

■ Secondary control loop anomaly PV change threshold

SEt04

CNt

Setting content

Initial value

PS2

Thermocouple/resistance temperature detector input

0.0 to 999.9 (°C)0 to 999 (°C)

Applicable only for time judgment when PS 2 = 0 (LoP2)

Voltage/current input

0 to 9999 (digit)

Applicable only for time judgment when PS 2 = 0 (LoP2)

Set the secondary control loop anomaly PV change threshold.

The function is to detect an abnormality in the control loop.

When the time satisfying threshold of TS2 or MS2 exceeds LOP2, the loop abnormality is determined as

detected.

For details, see section “Loop abnormality function” on pages 5-38 and 39.

- The control loop anomaly PV change threshold is judged at each “LoP2” time.

A loop abnormality is determined if each change threshold is judged to be equal to or below “PS2.”

- When [PS2 = 0] is true, only time judgment is executed using LOP2.

When the time satisfying threshold of TS2 or MS2 exceeds LOP2, the loop abnormality is determined as detected.

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Toho-electronics TTM200 Manuel d'utilisateur Page 189