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Characteristics

 

Parameters of input and output signals  of  local SHC

 

Redundant LSHC

Signal type

Parameters

Quanity

Unified analog signals (AS)

 (-5 +5, -10 +10) V

 (0 - 5, 0 - 10) V

 (0-5, 0-20, 4-20) mA

- 189 triple ADC inputs, expandable

Signals from temperature sensors of any standard calibrations, including:
resistance thermal converters Cu, Pt
thermocouples THA(К), THK(L), THK(Е), TJK(J), TNN(N)

 

 GOST 6651

 GOST RU 8.585 

 - 96 redundant inputs, expandable

 

 From the speed sensors

 From the frequency and unit-counting sensors

 

 (0,1 - 15,0) V

 (0-10) kHz

 - 3 triple frequency inputs

 - 6 single counters

 Two-positional signals

 "Dry" contacts  and/or potential signals      (24  … 220) V

 - 6 groups triple signals (each group contains 32  voltage signals, or 64 "dry" contacts), expandable

 Control commands as relay contacts
commuting electrical circuits

 ~220 V  <1,0 A;

 =220 V  <0,4 A;

 =24 V    <4 A

 – 96 redudant (triple) outputs

 Regulation signals for the positioners (DAC)  and actuators the fixed speed (PWM)

 4-20 mA

 24 V, < 0,1 A

 - 4 doubled outputs (DAC)

 - 6 doubled outputs (PWM), expandable

 

Not redundant LSHC

Signal type

Parameters

Quanity

 Unified analog signals (AS)

 (-5 +5, -10 +10) V

 (0 - 5, 0 - 10) V

 (0-5, 0-20, 4-20) mA

 - 128 ADC inputs, expandable

 Signals from temperature sensors of  any standard calibrations, including:

 resistance thermal converters Cu, Pt
 thermocouples THA(К), THK(L), THK(Е),  TJK(J), TNN(N)

 

 GOST 6651

 GOST RU 8.585 

 - 48 inputs, expandable

 From the speed sensors                            From the  frequency and unit-counting sensors

 (0,1 - 15,0)V

 (0-10) kHz

 - 3 frequency inputs

 - 2 single counters

 Two-positional signals

 "Dry" contacts  and/or potential signals      (24 … 220) V

 -160, expandable

 Control commands as relay    contacts,  commuting electrical circuits

 ~220 V  <1,0 A

 =220 V  <0,4 A

 =24 V    <4 A

 - 80 outputs, expandable

 Regulation signals for the positioners (DAC)

 4-20 mA

 - 16 outputs (DAC), expandable

 and actuators the fixed speed (PWM)

 24 V, < 0,1 A

 - 12 outputs (PWM), expandable

 

The basic error of measurement and alarm

 

For the unified signals - 0,1 - 0,2 %;

For low level signals - 0,1 - 0,3 %;

For tachometric (number-pulse) signals - 0,05 %;

 

Dynamic characteristics

 

LSHC:

 

Cycle time input from sensors (analog, frequency, digital) and data processing - 0.01 s

Cycle time of the command output logic control - 0.2 s

Cycle time "slow" regulating channels - a multiple of 0.2 s

The cycle time of the "fast" channel protection and control - 0.01 s

 

 Automated workplace (upper level):

 

Rate of interchanging with LSHC - 10-100 Mbod

Refresh time on the screen - no more than 0.5 s

Ttime delay output signals on the screen - no more than 0.5 s

Time delay the output remote command - no more than 0.2 s (through the physical channel - no more than 0.02 s). 

 

Average time to failure

 

Redundant LSHC: 

Type of failure

Operating time

Failure of emergency protection

150000 h

False activation of the emergency protection, fault control, failure to of regulation

100000 h

Failure of monitoring 

80000 h

 

Not redundant LSHC: 

Type of failure

Operating time

Failure of emergency protection

80000 h

False activation of the emergency protection, fault control, failure to of regulation

80000 h

Failure of monitoring

60000 h

 

Power supplies LSHC:

 

The basic network (220+22-33) V, (50±1) Hz

Reserve network (220+22-33) V, (50±1) Hz, or (220+22-33) V DC

Bumpless switching with the basic network to reserve network and back is provided by LSHC

 

Automated workplace power supplies

 

Network (220+22-33) V, (50±1) Hz;

Source of an uninterrupted food of an automated workplace in a current of 30 minutes

 

Working conditions LSHC

 

(minus 25 – plus 60) °С air

Dust, evaporation of oil and water, vibration, shock - typical for rooms of technological units

DC (and AC, 50 Hz) magnetic field of intensity up 100 A/m

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