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MELSEC-QS Series Safety Relay Unit (for Expansion)

MELSEC-QS Series Safety Relay Unit (for Expansion)

MITSUBISHI

MITSUBISHI

A unit for expanding the number of safety inputs/outputs of the safety relay unit for the Q series and CC-Link.

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MELSEC-QS Series Safety Relay Unit (for Expansion) Specifications

QS90SR2SN-EX

QS90SR2SN-EX image

QS90SR2SN-EX image

QS90SR2SN-EX Performance Specifications

Input Specifications
Number of Safety Inputs1 safety input (2 inputs)
Number of Other Inputs1 inrush input
Safety Input Rated Input Voltage24 V DC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4 V DC)
Safety Input Rated Input Current4.6 mA
Input FormatTypeN type
X0Positive common
X1Negative common
Input Insulation MethodRelay insulation
Input Common MethodNo common (All independent points)
Output Specifications
Number of Safety Output Points1 safety output point (3 outputs)
Rated Load CurrentCategory 4: 3.6 A / point or less
(Category 3: 5.0 A / point or less)
Minimum Switching Load5 V DC 5 mA
Maximum Permissible Contact Voltage250 V AC, 30 V DC
Resistant Load250 V AC / 5 A, 30 V DC / 5 A
Lifespan of RelayMechanical5 million times or more
Electrical100,000 times or more
Maximum Switching Frequency1,200 times / hour at rated control capacity
Response TimeOutput Operating Time50 ms or less (safety input ON > safety output ON)
Output Shutdown Time20 ms or less (safety input OFF > safety output OFF)
Output Insulation MethodRelay insulation
Output Common MethodNo common (All independent points)
Common Specifications
Dielectric StrengthSafety output between different poles: 2,500 V AC at 1 mA or less for 1 minute
Between safety input and safety output: 2,500 V AC at 1 mA or less for 1 minute
Between power supply and safety output: 2,500 V AC at 1 mA or less for 1 minute
Insulation ResistanceSafety output between different poles: 100 MΩ or more with 500 V DC ohmmeter
Between safety input and safety output: 100 MΩ or more with 500 V DC ohmmeter
Between power supply and safety output: 100 MΩ or more with 500 V DC ohmmeter
Unit Power SupplyVoltageSupplied from safety relay unit for Q series or safety relay unit for CC-Link
Safety Power SupplyVoltageSupplied from safety relay unit for Q series or safety relay unit for CC-Link
Protection GradeIP1X
External Wiring Connection Method2-piece spring clamp terminal block
External DimensionsHeight (H)112 mm
Width (W)45 mm
Depth (D)113.5 mm
Weight0.35 kg

QS90SR2SN-EX General Specifications

Ambient Operating Temperature0 to 55°C
Ambient Storage Temperature-20 to 75°C
Ambient Operating Humidity30 to 85% RH, non-condensing
Ambient Storage Humidity30 to 85% RH, non-condensing
Vibration ResistanceJIS B 3502, IEC 61131-2 CompliantUnder Intermittent VibrationFrequency: 5 to 8.4 Hz, Single amplitude: 3.5 mm
Frequency: 8.4 to 150 Hz; Constant acceleration: 9.8 m/s2
Number of sweeps: 10 times in each direction of X, Y and Z
Under Continuous VibrationFrequency: 5 to 8.4 Hz, Single amplitude: 1.75 mm
Frequency: 8.4 to 150 Hz, Constant acceleration: 4.9 m/s2
Impact ResistantJIS B 3502, IEC 61131-2 compliant (147 m/s2, for a duration of 11 ms, 3 times in 3 directions of X, Y and Z with a half-sine pulse)
Operating AtmosphereNo corrosive gases
Operating Altitude0 to 2,000 m
Installation LocationInside the control panel with IP54 or higher
Overvoltage CategoryIII or lower
Pollution Degree2 or less
Equipment ClassClass I
30
45
60
  1. 1
Part Number
QS90SR2SN-EX
QS90SR2SP-EX
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType of unit Input Format

-

1 Piece(s) Quote N typeX0: Positive Common, X1: Negative Common

-

1 Piece(s) Quote P TypeX0: Positive Common, X1: Positive Common

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  1. 1
 

Basic Information

Type Other Total Number of Inputs 1 Point (2 Outputs) Safety output points 1 Point (3 Outputs)

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    • N type
    • P Type

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  • Input Format

    • X0: Positive Common, X1: Negative Common
    • X0: Positive Common, X1: Positive Common

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