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MELSEC-QS Series Safety Relay Unit (for Q Series)
Safety relay unit for Mitsubishi General-Purpose Sequencer MELSEC-Q Series.
[Features]
・ Unit that integrates an emergency stop circuit and a restart circuit by duplicating safety relays
[Applications]
・ Network communication
Part Number
Configured Part Number is shown.
MELSEC-QS Series Safety Relay Unit (for Q Series) Specifications
QS90SR2SN-Q
QS90SR2SN-Q image
QS90SR2SN-Q Performance Specifications
| Input Specifications | ||
|---|---|---|
| Number of Safety Inputs | 1 safety input (2 inputs) | |
| Number of Other Inputs | 1 inrush input | |
| Safety Input Rated Input Voltage | 24 V DC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4 V DC) | |
| Safety Input Rated Input Current | 4.6 mA (300 mA when starting relay) | |
| Input Format | Type | N type |
| X0 | Positive common | |
| X1 | Negative common | |
| Input Insulation Method | Relay insulation | |
| Input Common Method | No common (All independent points) | |
| Output Specifications | ||
| Number of Safety Output Points | 1 safety output point (3 outputs) | |
| Rated Load Current | Category 4: 3.6 A / point or less (Category 3: 5.0 A / point or less) | |
| Minimum Switching Load | 5 V DC 5 mA | |
| Maximum Permissible Contact Voltage | 250 V AC, 30 V DC | |
| Resistant Load | 250 V AC / 5 A AC, 30 V DC / 5 A | |
| Lifespan of Relay | Mechanical | 5 million times or more |
| Electrical | 100,000 times or more | |
| Maximum Switching Frequency | 1,200 times / hour at rated control capacity | |
| Response Time | Output Operating Time | 50 ms or less (safety input ON→safety output ON) |
| Output Shutdown Time | 20 ms or less (safety input OFF→safety output OFF) | |
| Output Insulation Method | Relay insulation | |
| Output Common Method | No common (All independent points) | |
| Common Specifications | ||
| Number of Units for Expansion | Up to 3 expansion safety relay units can be connected | |
| Dielectric Strength | Safety 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 Resistance | Safety output between different poles: 100 MΩor more with 500 V DC ohmmeter Between safety input and safety output: 100 MΩor more with 500 V DC ohmmeter Between power supply and safety output: 100 MΩor more with 500 V DC ohmmeter | |
| Unit Power Supply | Voltage | 24 V DC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4 V DC) |
| Current | 35 mA (without expansion unit), 110 mA (with 3 expansion units) | |
| Safety Power Supply | Voltage | 24 V DC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4 V DC) |
| Current | 85 mA (without expansion unit), 325 mA (with 3 expansion units) | |
| Protection Grade | IP1X | |
| External Wiring Connection Method | 2-piece spring clamp terminal block | |
| Number of Occupied Inputs/Outputs | 32 points (I/O assignment: input 32 points) | |
| 5 V DC Internal Current Consumption | 0.09 A | |
| External Dimensions | Height (H) | 98 mm |
| Width (W) | 55.2 mm | |
| Depth (D) | 107.5 mm | |
| Weight | 0.37 kg | |
QS90SR2SN-Q General Specifications
| Ambient Operating Temperature | 0 to 55°C | ||
|---|---|---|---|
| Ambient Storage Temperature | -25 to 75°C (-20 to 75°C when expansion safety relay unit is included) | ||
| Ambient Operating Humidity | 30 to 85% RH, non-condensing | ||
| Ambient Storage Humidity | 30 to 85% RH, non-condensing | ||
| Vibration Resistance | JIS B 3502, IEC 61131-2 Compliant | Under Intermittent Vibration | Frequency: 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 Vibration | Frequency: 5 to 8.4 Hz, Single amplitude: 1.75 mm Frequency: 8.4 to 150 Hz, Constant acceleration: 4.9 m/s2 | ||
| Impact Resistant | JIS 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 Atmosphere | No corrosive gases | ||
| Operating Altitude | 0 to 2,000 m | ||
| Installation Location | Inside the control panel with IP54 or higher | ||
| Overvoltage Category | III or lower | ||
| Pollution Degree | 2 or less | ||
| Equipment Class | Class I | ||
| Part Number |
|---|
| QS90SR2SN-Q |
| QS90SR2SP-Q |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Type of unit | Input Format |
|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | N type | X0: Positive Common, X1: Negative Common | ||
- | 1 Piece(s) | Quote | P Type | X0: Positive Common, X1: Positive Common |
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Basic Information
| Type | Other | Total Number of Inputs | 1 Point (2 Outputs) | Safety output points | 1 Point (3 Outputs) |
|---|
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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