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SPECIFICATIONS
3.4 Extension Safety Relay Module Specifications
3.4.2 QS90SR2SN-EX extension safety relay module
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3.4.2
QS90SR2SN-EX extension safety relay module
* 1: Manual operation such as start-up switch operation is excluded.
Table 3.7 Performance specifications of QS90SR2SN-EX (1/2)
Item
Extension safety relay module
QS90SR2SN-EX
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)
(Category 3: 5.0A/point or less)
Safety input rated input voltage
24VDC (ripple ratio: within 5%)
Safety input rated input current
4.6mA
Minimum switching load
5VDC/5mA
Operating voltage range
20.4 to 26.4VDC
Maximum allowable voltage of
contact
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
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.
Module power supply
Voltage
Supplied from Q series safety relay module or CC-Link safety relay module.
Safety power supply
Voltage
Supplied from Q series safety relay module or CC-Link safety relay module.
Noise durability
DC type noise voltage: 500Vp-p, noise width: 1 s,
noise frequency: 25 to 60Hz (noise simulator condition)
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
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
0.35kg
External connection method
Two-piece spring clamp terminal block
Applicable
wire size
wire size
Safety input part
Start-up input part
Safety power supply part
Safety output part
terminal block
Start-up input part
Safety power supply part
Safety output part
terminal block
AWG: 24 to 14, 0.2 to 2.5mm
2
Extension
communication part
terminal block
communication part
terminal block
AWG: 24 to 16, 0.2 to 1.25mm
2
Applicable solderless terminal (bar
terminal)
terminal)
Refer to Section 5.4.
Applicable DIN rail
TH35-7.5Fe, TH35-7.5Al (JIS C 2812 compliant)