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QS90SR2SN-EX
The QS90SR2SN-EX is a safety relay expansion module from Mitsubishi's Melsec-Q series. It features a single safety input channel and an auxiliary input, functioning effectively within defined voltage and current parameters for safety applications.
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Technical specifications for QS90SR2SN-EX
| Manufacturer | Mitsubishi |
|---|---|
| Product Line | Melsec-Q |
| Part Number | QS90SR2SN-EX |
| Weight | 3.00 lbs (1.36 kg) |
| Module Type | Safety Relay Expansion Module |
| Safety Input Count | 1 safety input channel (2 wires) |
| Auxiliary Input Count | 1 start-up input channel |
| Rated Input Voltage (Safety Inputs) | 24 V DC (ripple ≤ 5 %), voltage range: 20.4 to 26.4 V DC |
| Rated Input Current (Safety Inputs) | 4.6 mA |
| Input Isolation Type | Relay-based isolation |
| Safety Output Count | 1 safety output channel (3 terminals) |
| Rated Load Current (Safety Outputs) | Max. 3.6 A per output (Category 4) / Max. 5.0 A per output (Category 3) |
| Minimum Switching Load | 5 V DC, 5 mA |
| Max Allowable Contact Voltage | 250 V AC or 30 V DC |
| Resistive Load Handling Capacity | 250 V AC / 5 A, 30 V DC / 5 A |
| Maximum Switching Rate | 1200 cycles per hour (at rated load capacity) |
| Output ON Response Time | ≤ 50 ms (input ON to output ON) |
| Output OFF Response Time | ≤ 20 ms (input OFF to output OFF) |
| Operating Temperature Range | 0 to 55°C |
The QS90SR2SN-EX by Mitsubishi is a safety relay expansion module engineered for robust applications. This module offers one safety input channel, which operates over a voltage range of 20.4 to 26.4 V DC with a rated voltage of 24 V DC. It draws a safety input current of 4.6 mA and is isolated using relay-based technology. Additionally, it features one startup auxiliary input channel to support operational needs.
The device includes one safety output channel, which comprises three terminals. It can handle a rated load current of up to 3.6 A per output under Category 4 standards, and 5.0 A under Category 3 conditions. For switching tasks, the minimum load is set at 5 V DC and 5 mA, providing versatility in various applications.
This module supports a maximum allowable contact voltage of 250 V AC or 30 V DC, allowing it to connect with diverse systems. Its resistive load capacity is rated at 250 V AC / 5 A or 30 V DC / 5 A. The QS90SR2SN-EX also boasts a maximum switching rate of 1200 cycles per hour when operating at the rated load. The response times are efficient, with an output ON response time of less than or equal to 50 ms and an output OFF response time of no more than 20 ms.
Designed to work effectively in a range of environmental conditions, the QS90SR2SN-EX operates within a temperature bracket of 0 to 55 degrees Celsius, making it compatible with various installations. This module serves as a reliable component within the safety framework for automation systems.
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