MELSEC-QS Series Safety Relay Unit (for Q Series)

Brand :

MITSUBISHI

Caution

Product Description

A safety relay unit that is attached to MELSEC-Q series base units.

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
Lifespan of Relay	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)
Response Time	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)
Unit Power Supply	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)
Safety Power Supply	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
Vibration Resistance	JIS B 3502, IEC 61131-2 Compliant	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