Keyence LS-3100/3100W Series Manual de usuario descargar pdf (Pagina 30)

■ 3-step differentiation

Choose the 3-step differentiation first, then set the tolerance limits using

LIMIT. When "ON" appears on the display, the comparator output is sent

through each of the relays and open-collectors (HIGH, GO, or LOW).

➪

See P.63, 64

Tolerance limit Condition Output

(Relay) (Open-collector)

HI < X HIGH HI1 (CH1)

HI ≥ X ≥ LO GO GO (CH1)

X < LO LOW LO1 (CH1)

Note: X represents a measured value.

■ 7-step differentiation

Choose the 7-step differentiation first, then set the tolerance limits using

PRM. When "ON" appears on the display, the comparator output is sent

through each of the relays and open-collectors (HI3, HI2, HI1, GO, LO1,

LO2, or LO3).

➪

See P.63

Tolerance limit Condition Output

(Relay) (Open-collector)

HI3 < X HIGH HI3 (CH1)

HI3

HI3 ≥ X > HI2 HIGH HI2 (CH1)

HI2

HI2 ≥ X > HI1 HIGH HI1 (CH1)

HI1

HI1 ≥ X ≥ LO1 GO GO (CH1)

LO1

LO1 > X ≥ LO2 LOW LO1 (CH1)

LO2

LO2 > X ≥ LO3 LOW LO2 (CH1)

LO3

LO3 > X LOW LO3 (CH1)

Note: X represents a measured value.

• It is possible to set the tolerance limits for both 3-step and 7-step differen-

tiation. However, only the tolerance limits of the type of differentiation you

have selected are valid. Therefore, the comparator output is sent accord-

ing to these limits.

• In 7-step differentiation, measured values can be correctly checked only

when the values assigned to the tolerance limits meet the following

condition: HI3>HI2>HI1>LO1>LO2>LO3

Tolerance Limits and

Comparator Output

CHAPTER 4 Functions and Controls

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