PSR-MC42-2NO-1DO-24DC-SC - Safety relays

2702901

Safety relay with IO-Link for emergency stop, safety doors, and light grids, up to SIL 3, Cat. 4, PL e, 2 sensor circuits, automatic or manual, monitored start, 2 enabling current paths, 1 signal output, U_S = 24 V DC, plug-in screw terminal block

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Note on application
Note on application	Only for industrial use

Product type	Safety relays
Product family	PSRmini
Application	Emergency stop
	Safety door
	Light grid
	Magnetic switch
	Transponder
Control	1 and 2 channel
Relay type	Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3
Insulation characteristics
Overvoltage category	II
Degree of pollution	2
Times
Typical response time	< 220 ms (automatic start)
	< 175 ms (manual, monitored start)
Typ. starting time with U_s	< 250 ms (when controlled via A1)
Typical release time	< 20 ms (on demand via the sensor circuit)
	< 20 ms (on demand via A1)
Restart time	< 1 s (Boot time)
Recovery time	< 500 ms
Start pulse length	≥ 500 ms (manual start)

Maximum power dissipation for nominal condition	6.45 W (U_S = 30 V, U_L = 30 V, I² = 72 A²)
Nominal operating mode	100% operating factor
Rated insulation voltage	320 V
Rated surge voltage/insulation	See section “Insulation coordination”
Supply
Designation	L+/L-
Nominal voltage for I/O supply	24 V DC -20 % / +25 % (Provided via the IO-Link interface of the IO-Link master.)
Current consumption	typ. 16 mA
Protective circuit	Serial protection against polarity reversal; Suppressor diode
Supply
Designation	A1/A2
Rated control circuit supply voltage U_S	19.2 V DC ... 30 V DC
Rated control circuit supply voltage U_S	24 V DC -20 % / +25 % (provide external protection)
Rated control supply current I_S	typ. 60 mA
Power consumption at U_S	typ. 1.44 W
Inrush current	typ. 2.5 A (Δt = 500 µs at U_s)
Filter time	1 ms (at A1 in the event of voltage dips at U_s)
Protective circuit	Serial protection against polarity reversal; Suppressor diode

Digital: Sensor circuit S0 (S12, S22)
Description of the input	safety-related sensor inputs
Number of inputs	2
Input voltage range "0" signal	0 V DC ... 5 V DC (S12)
	For S22, see note in “Signal generator connection versions” section.
Input voltage range "1" signal	11 V DC ... 30 V DC
Input current range "0" signal	0 mA ... 2 mA (S12, S22)
Inrush current	< 5 mA (typ. with U_S at S12, Δt = 500 µs)
	< 5 mA (typ. with U_S at S22/24 V, Δt = 500 µs)
	> -5 mA (typ. with U_S at S22/0 V, Δt = 500 µs)
Filter time	max. 1.5 ms (Test pulse width of low test pulses)
	Test pulse rate = 5 x Test pulse width
	Deactivate the switch-on pulses for safety applications.
Concurrence	∞
Max. permissible overall conductor resistance	150 Ω
Protective circuit	Suppressor diode
Current consumption	< 5 mA (typ. with U_S at S12)
	< 5 mA (typ. with U_S at S22/24 V)
	> -5 mA (typ. with U_S at S22/0 V)
Digital: Sensor circuit S1 (S32, S42)
Description of the input	safety-related sensor inputs
Number of inputs	2
Input voltage range "0" signal	0 V DC ... 5 V DC
Input voltage range "1" signal	11 V DC ... 30 V DC
Input current range "0" signal	0 mA ... 2 mA
Inrush current	< 20 mA (typ. with U_S)
Filter time	max. 1.5 ms (Test pulse width of low test pulses)
	Test pulse rate = 5 x Test pulse width
	Deactivate the switch-on pulses for safety applications.
Concurrence	∞
Max. permissible overall conductor resistance	150 Ω
Protective circuit	Suppressor diode
Current consumption	< 5 mA (typ. with U_S)
Digital: Diagnostic input (DGN)
Description of the input	non-safety-related
Number of inputs	1
Input voltage range	0 V DC ... 30 V DC
Protective circuit	Suppressor diode
Current consumption	typ. 30 mA
Digital: Start circuit (S34)
Description of the input	NPN (manual start), PNP (autostart)
Number of inputs	1
Input voltage range "1" signal	19.2 V DC ... 30 V DC (manual start, autostart: 0 V)
Inrush current	< 10 mA (typ. with U_S, Δt = 100 ms)
Max. permissible overall conductor resistance	150 Ω
Protective circuit	Suppressor diode
Current consumption	< 5 mA (typ. with U_S at S34/24 V)
	> -5 mA (typ. with U_S at S34/0 V)
IO-Link
Designation	IO-Link
Transmission speed	230 kbps (COM3)
Cycle Time	5 ms
Process data update	5 ms
Amount of process data	max. 31 Byte (Input data)
	max. 16 Byte (Output data)
Description of the input	IO-Link switching and communication cable
Number of inputs	1
Connection method	Screw connection
Connection technology	3-conductor
Number of ports	1
Port type	Class A

Relay: Enabling current path (13/14, 23/24)
Output description	safety-related N/O contacts
	2 NO contacts each in series, without delay, floating
Number of outputs	2 (undelayed)
Contact switching type	2 enabling current paths
Contact material	AgSnO₂
Switching voltage	min. 12 V AC/DC
	max. 250 V AC/DC
Switching capacity	min. 60 mW
Inrush current	min. 3 mA
	max. 6 A
Limiting continuous current	6 A
Sq. Total current	72 A² (observe derating)
Switching frequency	0.1 Hz
Mechanical service life	10x 10⁶ cycles
Output fuse	6 A gL/gG
	4 A gL/gG (for low-demand applications)
Signal: M1
Output description	PNP
	non-safety-related
Number of outputs	1
Voltage	approx. 22 V DC (U_s - 2 V)
Current	max. 100 mA
Maximum inrush current	500 mA (Δt = 1 ms at U_s)
Protective circuit	Suppressor diode

Connection technology
pluggable	yes
Conductor connection
Connection method	Screw connection
Conductor cross section rigid	0.2 mm² ... 2.5 mm²
Conductor cross section flexible	0.2 mm² ... 2.5 mm²
Conductor cross-section AWG	24 ... 12
Stripping length	7 mm
Screw thread	M3
Tightening torque	0.5 Nm ... 0.6 Nm

Status display	5 x LED (green)
Operating voltage display	1 x LED (green, yellow, red)

Width	17.5 mm
Height	112.2 mm
Depth	114.5 mm

Color (Housing)	yellow (RAL 1018)
Housing material	PA

Safety data
Stop category	0
Safety data: EN ISO 13849
Category	4
Performance level (PL)	e (4 A DC13; 5 A AC15; 8760 switching cycles/year)
Safety data: IEC 61508 - High demand
Safety Integrity Level (SIL)	3
Safety data: IEC 61508 - Low demand
Safety Integrity Level (SIL)	3
Safety data: EN IEC 62061
Safety Integrity Level (SIL)	3

Ambient conditions
Degree of protection	IP20
Min. degree of protection of inst. location	IP54
Ambient temperature (operation)	-25 °C ... 60 °C (observe derating)
Ambient temperature (storage/transport)	-40 °C ... 85 °C
Maximum altitude	≤ 2000 m (Above sea level)
Max. permissible humidity (storage/transport)	75 % (on average, 85% infrequently, non-condensing)
Max. permissible relative humidity (operation)	75 % (on average, 85% infrequently, non-condensing)
Shock	15g
Vibration (operation)	10 Hz ... 150 Hz, amplitude 0.15 mm, 2g

CE
Identification	CE-compliant

Mounting type	DIN rail mounting
Assembly note	See derating curve
Mounting position	vertical or horizontal

Item number	2702901
Packing unit	1 pc
Minimum order quantity	1 pc
Sales key	DNA
Product key	DNA181
Catalog page	Page 224 (C-6-2019)
GTIN	4055626458540
Weight per piece (including packing)	187.65 g
Weight per piece (excluding packing)	157.28 g
Customs tariff number	85371098
Country of origin	DE

Compatible products

Accessories

Your advantages

2 enabling current paths, 1 digital signal output

Diagnostic data via IO-Link in combination with PSR-CT safety switches

For emergency stop and safety door monitoring, plus evaluation of light grids

Automatic and manual activation

1- and 2-channel control

2 sensor circuits

Up to Cat. 4/PL e in accordance with ISO 13849-1, SIL 3 in accordance with EN IEC 62061, SIL 3 in accordance with IEC 61508

EU RoHS
Fulfills EU RoHS substance requirements	Yes
Exemption	7(a), 7(c)-I
China RoHS
Environment friendly use period (EFUP)	EFUP-50 An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required.
EU REACH SVHC
REACH candidate substance (CAS No.)	Lead (CAS: 7439-92-1)
SCIP	06c37c05-4d86-4236-997e-0585da70bfa9

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-MC42-2NO-1DO-24DC-SC - Safety relays

2702901

Product details

ECLASS

ETIM

UNSPSC

Functional Safety

cULus Listed

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Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-MC42-2NO-1DO-24DC-SC - Safety relays 2702901

Product details

ECLASS

ETIM

UNSPSC

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PSR-MC42-2NO-1DO-24DC-SC - Safety relays

2702901