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Mitsubishi Electronics -QS90SR2SN-Q User Manual

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SPECIFICATIONS
3.2 Q Series Safety Relay Module Specifications
3.2.2 QS90SR2SN-Q Q series safety relay module
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3.2.2
QS90SR2SN-Q Q series safety relay module
 * 1: Manual operation such as start-up switch operation is excluded.
Table 3.3 Performance specifications of QS90SR2SN-Q (1/2)
Item
Q series safety relay module
QS90SR2SN-Q
Input specifications
Output specifications
Number of safety input points
1 safety input point (2 inputs)
Number of safety output points
1 safety output point (3 outputs)
Number of other input points
1 start-up input point
Insulation method
Relay insulation
Insulation method
Relay insulation
Rated load current
Category 4: 3.6A/point or less
(Category 3: 5.0A/point or less)
Safety input rated input voltage
24VDC (ripple ratio: within 5%)
Safety input rated input current
4.6mA (300mA at relay start-up)
Minimum switching load
5VDC/5mA
Operating voltage range
20.4 to 26.4VDC
Maximum allowable voltage of 
contact
250VAC, 30VDC
Input format
Type
N type
Resistance load
250VAC/5A, 30VDC/5A
X0
Positive common
X1
Negative common
Relay life
Mechanical
Five million times or more
Electrical
Hundred thousand times or more
Maximum switching frequency
1,200 times/hour based on the rated control capacity
Response 
time
Time until output ON
50ms or less (safety input ON 
 safety output ON)
*1
Time until output OFF
20ms or less (safety input OFF 
 safety output OFF)
Common wiring method
All safety inputs and safety outputs are independent.
Number of extension modules
Up to three extension safety relay modules can be connected.
Number of occupied I/O points
32 points, 2 slots (I/O assignment: Input) 
Internal current consumption (5VDC)
0.09A
Module power supply
Voltage
24VDC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4VDC)
Current
35mA (when not using extension module), 110mA (when using three extension modules)
Safety power supply
Voltage
24VDC (ripple ratio: within 5%) (allowable voltage range: 20.4 to 26.4VDC)
Current
85mA (when not using extension module), 325mA (when using three extension modules)
Noise durability
DC type noise voltage: 500Vp-p, noise width: 1 s,
noise frequency: 25 to 60Hz (noise simulator condition)
Dielectric withstand voltage
2,500VAC/1mA or less for 1 minute between safety outputs
2,500VAC/1mA or less for 1 minute between safety input and safety output
2,500VAC/1mA or less for 1 minute between power supply and safety output
Insulation resistance
100M  or more, measured with a 500VDC insulation resistance tester between safety outputs
100M  or more, measured with a 500VDC insulation resistance tester between safety input and safety output
100M  or more, measured with a 500VDC insulation resistance tester between power supply and safety output
Level of protection
IP1X
Weight
0.37kg
External connection method
Two-piece spring clamp terminal block
Applicable 
wire size
Safety input part
Start-up input part
Safety power supply part
Module power supply 
part
Extension 
communication part 
terminal block
AWG: 24 to 18, 0.2 to 0.75mm
2
Safety output part 
terminal block
AWG: 24 to 14, 0.2 to 2.5mm
2
Applicable solderless terminal (bar 
terminal)