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SPECIFICATIONS
3.2 Q Series Safety Relay Module Specifications
3.2.2 QS90SR2SN-Q Q series safety relay module
3 - 4
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
SETTINGS AND
PROCEDURES BEFORE
OPERATION
6
TROUBLESHOOTINGAPPENDIX
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/5AX0 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)
Refer to Section 5.4.