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ST4-C12EX | Compact Type 4 Safety Beam Sensor ST4

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This product has been confirmed that it does not contain the 6 substances specified in EU RoHS Directive 2011/65/EU and the 4 substances specified in 2015/863/EU.

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Product Number	ST4-C12EX
Part Number	ST4-C12EX
Product	Compact Type 4 Safety Beam Sensor
Details	Controller [High-functional]
Product name	Compact Type 4 Safety Beam Sensor ST4

As of April 19, 2024
Specifications and design of the products are subject to change without notice for the product improvement.

Spec Detail

Item	Specifications
Product Number	ST4-C12EX
Part Number	ST4-C12EX
Applicable standards	IEC 61496-1/2 (JIS B 9704-1/2 / UL 61496-1/2) (Type 4), ISO 13849-1:2015 (Category 4, PLe), JIS B 9705-1 (Category 4), IEC 61508-1 to 3 (SIL3), IEC 62061 (SIL3), JIS C 0508-1 to 3 (SIL3), UL 1998, OSHA 1910.212, OSHA 1910.217 (C), ANSI B11.1 to B11.19, ANSI/RIA R15.06, ANSI/ISA S84.01 (SIL3) (Note) Complies with those standards only when the controller is used in combination with the sensor head ST4-x.
CE marking directive compliance	Machinery Directive, EMC Directive, RoHS Directive
Power voltage	24 V DC +10-15 % Ripple P-P 10 % or less
Current consumption	120 mA or less (excluding sensor head ST4-Ax)
PFH_D	Refer to the following table(Note： (Probability of dangerous failure per hour) depends on number of single beam sensor ST4-A□ connected to controller.)
MTTF_D	More than 100 years (Note：Mean time to dangerous failure (in years))
Environmental resistance:Degree of protection	Enclosure: IP40 (IEC) Terminal: IP20 (IEC)
Environmental resistance:Ambient temperature	－10 to +55 ℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: －25 to +70 ℃ －13 to +158 ℉
Environmental resistance:Ambient humidity	30 to 85 % RH, Storage: 30 to 95 % RH
Environmental resistance:Voltage withstandability	1,000 V AC for one min. between all supply terminals connected together and enclosure
Environmental resistance:Insulation resistance	20 MOhm or more with 500 V DC mega between all supply terminals connected together and enclosure
Environmental resistance:Vibration resistance	10 to 55 Hz frequency, 0.75 mm 0.030 in double amplitude or maximum acceleration 90 m/s2 in X, Y and Z directions for two hours each<
Environmental resistance:Shock resistance	300 m/s² acceleration in X, Y and Z directions three times each
Material	Enclosure: ABS
Applicable sensor head	ST4-Ax
Applicable sensor head:No. of series connections	Interference prevention possible when up to a maximum of 6 sets are connected(When the maximum of 3 controllers are connected together, interference prevention is possible for up to 18 sets)
Control outputs (OSSD 1, OSSD 2)	PNP open-collector transistor / NPN open-collector transistor Dual output x 1 system (Set using output polarity selection switch) [PNP output] Maximum source current: 200 mA Applied voltage: same as the supply voltage (between control output and +V) Residual voltage: 2.5 V or less (at 200 mA source current) Leakage current: 200 micro A or less (including power OFF condition) Maximum load capacity: 1 micro F (from no-load to max. source current) Load wiring resistance: 3 Ohm or less (between control output and load) [NPN output] Maximum sink current: 200 mA Applied voltage: same as the supply voltage (between control output and 0 V) Residual voltage: 2.0 V or less (at 200 mA sink current) Leakage current: 200 micro A or less (including power OFF condition) Maximum load capacity: 1 micro F (from no-load to max. sink current) Load wiring resistance: 3 Ohm or less (between control output and load) (Note) If the total current of the control outputs (OSSD1, OSSD2), auxiliary outputs, and muting lamp output exceeds 400 mA, the wiring resistance between the controller and the power supply should be 1 Ohm or less. In addition, if the total current is 400 mA or less, the wiring resistance between the controller and the power supply should be 2 Ohm or less.
Control outputs (OSSD 1, OSSD 2):Operation mode	ON when all beams of the connected ST4-Axs are received OFF when one or more beams of the connected ST4-Axs are interrupted(except during muting / override) OFF during lockout
Control outputs(OSSD1, OSSD2):Protection circuit	Incorporated
Response time	OFF response: 25 ms or less ON response: 90 ms or less (auto reset) / 140 ms or less (manual reset)
Auxiliary outputs	PNP open-collector transistor / NPN open-collector transistor (Set using output polarity selection switch) ST4-C11: one output ST4-C12EX: four outputs [PNP output] Maximum source current: 100 mA Applied voltage: same as the supply voltage (between auxiliary output and +V) Residual voltage: 2.5 V or less (at 100 mA source current) [NPN output] Maximum sink current: 100 mA Applied voltage: same as the supply voltage (between auxiliary output and 0 V) Residual voltage: 2.0 V or less (at 100 mA sink current) (Note) If the total current of the control outputs (OSSD1, OSSD2), auxiliary outputs, and muting lamp output exceeds 400 mA, the wiring resistance between the controller and the power supply should be 1 Ohm or less. In addition, if the total current is 400 mA or less, the wiring resistance between the controller and the power supply should be 2 Ohm or less.
Auxiliary outputs:Operation mode	ON when muting function is invalid OFF when muting function is valid ON when override function is invalid OFF when override function is valid ON when muting lamp is in normal condition OFF when muting lamp is in abnormal condition Negative logic of the control outputs (OSSD1, OSSD2)
Auxiliary outputs:Protection circuit	Incorporated
Muting lamp output	Available muting lamp: 24 V DC, 1 to 10 W (Note) If the total current of the control outputs (OSSD1, OSSD2), auxiliary outputs, and muting lamp output exceeds 400 mA, the wiring resistance between the controller and the power supply should be 1 Ohm or less. In addition, if the total current is 400 mA or less, the wiring resistance between the controller and the power supply should be 2 Ohm or less.
Muting lamp output:Protection circuit	Incorporated
Connection terminal	Detachable spring-cage terminal
Wiring cable	Terminal block connector: 0.2 to 1.5 mm2 Power supply connector (A1, A2): 0.2 to 2.5 mm2
Weight	Net weight: 240 g approx Gross weight: 450 g approx