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6 • ALARMS

time

AL1 + H1

AL2 + H2

AL2

AL1

alarm 1

alarm 2

(*)

For AL1 inverse absolute alarm (min.) with positive H1, 1 t = 1
(*) = OFF if disabling on power-on exists
For AL2 direct absolute alarm (max) with negative H2, 2 t = 0

For AL1 inverse absolute, symmetrical alarm with hysteresis H1, 1 t = 5
For AL1 direct absolute, symmetrical alarm with hysteresis H1, 1 t = 4

Normal absolute alarm

Symmetrical absolute alarm

inverse

direct

AL1

AL1 + [ H1 ]

AL1 - [ H1 ]

time

For AL1 direct absolute alarm (max) with negative H 1, 1 t = 0
For AL2 direct relative alarm (max) with negative H2, 2 t = 2

For AL1 direct absolute alarm (max) with negative H1, 1 t = 0
For AL2 symmetrical deviation alarm H2, 2 t = 6

time

AL1+AL2

AL1

alarm 1

alarm 2

AL1+AL2

AL1

alarm 1

alarm 2

time

AL1 + AL2 + H2

Normal deviation alarm

(AL1 absolute, AL2 relative)

Symmetrical deviation alarm

(AL1 absolute, AL2 relative)

AL1-AL2

AL1 + H1

AL1+AL2+H2

AL1+H1

The input value and alarms are frozen while the logic input is active.
With the logic input active, a reset turns OFF both the relay outputs and the alarms latch.

Input value is sampled; state of alarms is not transferred to outputs; outputs are “frozen”.
When the logic input is active the input value is “frozen” and the outputs are updated according to the calculated alarms
state, including the ones latched.

• HOLD function

• FLASH function

5

81671B_MHW_40F96_0308_ENG

Содержание 40F 96

Страница 1: ...tude 0 5 30 Vdc 6 mA max for proximity PNP or NPN inductive or capacitive encoder or NAMUR 2 or 3 wires maximum frequency of input signal with duty cycle 50 settable 1 2 3 4 10 20 40 100 KHz from alternate control 30 500V peak 1 mA max maximum frequency 10KHz minimum frequency 0 5Hz in sinusoidal mode For correct and safe installation follow the instructions and observe the warnings contained in t...

Страница 2: ...s OUT 1 Alarm 1 OUT 2 Alarm 2 OUT 3 Alarm 3 Label with engineering units Generic user configurable outputs relay 5A 250Vac logic 6V 20mA Rout 220Ω for Out 1 Out 2 Triac 20 240Vac 10 3A max Standard 100 to 240Vac dc 10 Optional 11 to 27Vac dc 10 50 60Hz 8VA max Outputs 12 14 13 15 Out3 Out2 Power supply 11 10 Limit switch 3 wires logic control 4 2 3 1 4 2 3 1 Mechanical contact Limit switch 2 wires...

Страница 3: ...resis parameters 999 999 scale points 999 999 scale points Hysteresis for set point 3 Device structure identification of boards F Pressed for approx 2 sec S3 S1 FL1 R20 CPU BOARD POWER SUPPLY BOARD OUTPUT BOARD DISPLAY BOARD Keep the F key pressed to browse the menus Release the F key to enter the displayed menu Press the F key to access the parameters Keep the F key pressed to exit any menu at an...

Страница 4: ...ak memory reset 8 Zero peak memory reset 9 Alarms reset 10 Peak alarms reset 11 Zero alarms reset 12 Peak zero alarms reset 13 Output status OUT1 14 Output status OUT2 15 Output status OUT3 Low limit for the alarms set point 1999 9999 High limit for the alarms set point 1999 9999 Minimum scale analog repeat output 1999 9999 Maximum scale analog repeat output 1999 9999 Input parameters 8 enable MU ...

Страница 5: ...absolute alarm max with negative H1 1 t 0 For AL2 symmetrical deviation alarm H2 2 t 6 time AL1 AL2 AL1 alarm 1 alarm 2 AL1 AL2 AL1 alarm 1 alarm 2 time AL1 AL2 H2 Normal deviation alarm AL1 absolute AL2 relative Symmetrical deviation alarm AL1 absolute AL2 relative AL1 AL2 AL1 H1 AL1 AL2 H2 AL1 H1 The input value and alarms are frozen while the logic input is active With the logic input active a ...

Страница 6: ... DBI Delay in turning on output after output is turned off time time time F 0 3 DOF Delayed deactivation F 0 4 DP0 Delayed activation only at power on Variable rA rA t rA Alarm setpoint Output Alarm Variable rA t rA t rA Alarm setpoint Output Alarm Variable Alarm setpoint Output Alarm Variable rA rA rA rA The diagrams refer to a normal absolute alarm with hysteresis H 0 Filter outputs with referen...

Страница 7: ...nding to a full scale of 10KHz is 11 60 Dpe 60 160 12 Ks numerator Ks Ke Dpm 250 80 25 Ks denominator After reducing the function to minimum terms determine MU and dE numerator and denominator P S 3 MU 120 dE 25 EXAMPLE 2 To show the rpms of a wheel with 250 pulses rev with max frequency less than 1 kHz set FP 0 P S 8 full scale 1 KHz MU 6 dE 25 EXAMPLE 3 For applications requiring greater precisi...

Страница 8: ...lays thyristor power units particularly if phase angle type motors etc in the same cabinet avoid dust humidity corrosive gases and heat sources do not close the ventilation holes working temperature must be in the range of 0 50 C If the device has faston terminals they must be protected and isolated if the device has screw terminals wires should be attached at least in pairs Power supplied from a ...

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