Akytec SMI2 사용자 설명서 - 페이지 7

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The transmitted value is displayed with or without flashing, depending on whether the value

lies within or outside the alarm limits, and the set alarm logic. The flashing interval is set in

the parameter PF.

6.4

Any exceedance of the alarm limits is displayed by flashing LEDs in accordance with the

alarm logic.

∩-Logic (parameter AL.t = 1) − the display flashes if the current value lies within the interval

(Т – Δ) < t < (T + Δ),

whereby T − is the setpoint of the monitored process value (parameter C.SP) and Δ − is the

hysteresis (parameter HYST).

U-Logic (parameter AL.t = 2) − the display flashes if the current value lies outside the

interval

(Т – Δ) < t < (T + Δ).

If the parameter AL.t = 0, the function is deactivated.

For the String (dAtA = 3) and Image (dAtA = 4) data types alarm logic is not implemented.

6.5

Table 6.2 Error display

►

When using string type data, non-representable symbols are displayed as spaces.

NOTICE

7 Maintenance

The maintenance includes:

–

cleaning the housing and the terminals from dust, dirt and debris

–

checking the fastening of the device

–

checking the wiring (connecting leads, fastenings, mechanical damage)

The device should be cleaned with a damp cloth only. No abrasives or solvent-containing

cleaners may be used.

The safety guidelines in Section 1 must be observed when carrying out maintenance.

8 Transportation and storage

Pack the device in such a way as to protect it reliably against impact for storage and

transportation. The original packaging provides optimum protection.

If the device is not taken immediately after delivery into operation, it must be carefully stored

at a protected location. The device should not be stored in an atmosphere with chemically

active substances.

Permitted storage temperature: -25...+70 °C

The device may have been damaged during transportation.

►

Check the device for transport damage and completeness!

NOTICE

Report the transport damage immediately to the shipper and akYtec GmbH!

9 Scope of delivery

–

SMI2

–

Gasket

–

Mounting nut

–

User guide

–

CD with configuration software

akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 ·

Alarm logic

Error display

Display

- |

There is no data packet within the defined time (parameter t.out).

dt.LL

Transmitted value is too small, e.g. the number is smaller than -999

dt.hh

Transmitted value is too high, e.g. the number is larger than 9999

Cause