Specification

Specifications table for model SF-C21
ItemPerformance characteristics
CE Marking Directive ComplianceMachinery Directive, EMC Directive, RoHS Directive
Applicable Standards: SafetyIEC 61508-1 to 7, EN 61508-1 to 7 (SIL3), ISO 13849-1 (Up to Category 4, PLe), IEC 61131-2, IEC 61010-2-201, IEC 62061 (SILCL3), UL 61010-1, UL 61010-2-201, UL 1998
Applicable Standards: EMCIEC 61000-6-2, IEC 61326-3-1, EN 55011
Related Standards IEC 60947-1, IEC 60947-5-1, IEC 60947-5-2, IEC 60947-5-5, IEC 60947-5-8, IEC 61496-1, IEC TS 62046, ISO 13851
Supply Voltage: Power Supply for Internal 24 V DC +10 -15 % Ripple P-P10 % or less
(Note) "Power supply for internal" is the power supply for safety input. The power supplies for internal and external are insulated.
(Note) The power supply unit connected to this device must satisfy the conditions below.
- Output voltage within 20.4 V to 26.4 V DC (Ripple P-P: 10 % or less.)
- Power supply unit SELV (safety extra low voltage) / PELV (protected extra low voltage) conforming to the EMC Directive and Low-voltage Directive (In case CE Marking conformity is required.)
- Power supply unit conforming to the Low-voltage Directive and with an output of 100 VA or less
- Power supply unit with an output holding time of 20 ms or more.
- Power supply unit corresponding to CLASS 2 (In case C-TÜV US Listing Mark conformity is required.)
Supply Voltage: Power Supply for External 24 V DC +10 -15 % Ripple P-P10 % or less
(Note) "Power supply for external" is the power supply for control output / auxiliary output. The power supplies for internal and external are insulated.
(Note) The power supply unit connected to this device must satisfy the conditions below.
- Output voltage within 20.4 V to 26.4 V DC (Ripple P-P: 10 % or less.)
- Power supply unit SELV (safety extra low voltage) / PELV (protected extra low voltage) conforming to the EMC Directive and Low-voltage Directive (In case CE Marking conformity is required.)
- Power supply unit conforming to the Low-voltage Directive and with an output of 100 VA or less
- Power supply unit with an output holding time of 20 ms or more.
- Power supply unit corresponding to CLASS 2 (In case C-TÜV US Listing Mark conformity is required.)
Current Consumption: Power Supply for Internal200 mA or less
(Note) "Power supply for internal" is the power supply for safety input. The power supplies for internal and external are insulated.
(Note) The power supply unit connected to this device must satisfy the conditions below.
- Output voltage within 20.4 V to 26.4 V DC (Ripple P-P: 10 % or less.)
- Power supply unit SELV (safety extra low voltage) / PELV (protected extra low voltage) conforming to the EMC Directive and Low-voltage Directive (In case CE Marking conformity is required.)
- Power supply unit conforming to the Low-voltage Directive and with an output of 100 VA or less
- Power supply unit with an output holding time of 20 ms or more.
- Power supply unit corresponding to CLASS 2 (In case C-TÜV US Listing Mark conformity is required.)
Current Consumption: Power Supply for External100 mA or less
(Note) "Power supply for external" is the power supply for control output / auxiliary output. The power supplies for internal and external are insulated.
(Note) The power supply unit connected to this device must satisfy the conditions below.
- Output voltage within 20.4 V to 26.4 V DC (Ripple P-P: 10 % or less.)
- Power supply unit SELV (safety extra low voltage) / PELV (protected extra low voltage) conforming to the EMC Directive and Low-voltage Directive (In case CE Marking conformity is required.)
- Power supply unit conforming to the Low-voltage Directive and with an output of 100 VA or less
- Power supply unit with an output holding time of 20 ms or more.
- Power supply unit corresponding to CLASS 2 (In case C-TÜV US Listing Mark conformity is required.)
Safety Input (IN1 to IN8) 2 inputs x 4, Rated voltage: Same as the voltage of the power supply for internal
Safety Input (IN1 to IN8): On Level Input voltage: 18 V
Input current: 3.5 mA
Safety Input (IN1 to IN8): Off LevelInput voltage: 5 V
Input current: 1.0 mA
Safety Input (IN1 to IN8): Rated Input Current5 mA approx.
Safety Input (IN1 to IN8): Input Impedance4.7 KΩ approx.
Safety Input (IN1 to IN8): Duration of Detectable on State10 ms or more
Safety Input (IN1 to IN8): Duration of Undetectable Off State 0.7 ms or less
Control Output (OUT1 to OUT4)PNP open-collector transistor with 2 outputs x 2
- Maximum source current: 300 mA / output
- Applied voltage: Same as the voltage of the power supply for external
- Residual voltage: 2.5 V or less
- Leakage current: 100 μA or less (Including power supply OFF condition)
Control Output (OUT1 to OUT4): Output ModeTrue: ON
False: OFF
Control Output (OUT1 to OUT4): On Delay FunctionIncorporated
Control Output (OUT1 to OUT4): Off Delay FunctionIncorporated
Control Output (OUT1 to OUT4): Short-Circuit ProtectionIncorporated
Control Output (OUT1 to OUT4): Response TimeOFF response: 10 ms or less
ON response: 100 ms or less
Auxiliary Output (AUX1 to AUX4) (Non-Safety Output)PNP open-collector transistor with 1 output x 4
- Maximum source current: 60 mA / output
- Applied voltage: Same as the voltage of the power supply for external
- Residual voltage: 2.5 V or less
- Leakage current: 100 μA or less (Including power supply OFF condition)
Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Output Mode (Factory Defaults)AUX1: Negative logic of OUT1 / OUT2 (ON when OUT1 / OUT2 is OFF)
AUX2: Negative logic of OUT3 / OUT4 (ON when OUT3 / OUT4 is OFF)
AUX3: Reset trigger output (ON under reset release wait condition)
AUX4: Lockout output (OFF when lockout)
Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Output Mode (Any Of The Auxiliary Outputs Can Be Customized Using The Software Tool)Negative logic of OUT1 / OUT2 (ON when OUT1 / OUT2 is OFF)
Negative logic of OUT3 / OUT4 (ON when OUT3 / OUT4 is OFF)
Positive logic of OUT1 / OUT2 (ON when OUT1 / OUT2 is ON)
Positive logic of OUT3 / OUT4 (ON when OUT3 / OUT4 is ON)
Outputs A, B, C, and D of diagnosis results of input blocks (ON when logic is true)
Outputs E, F, and G of internal logic circuit diagnostic results (ON when logic is true)
Reset trigger output (ON under reset release wait condition)
Lockout output (OFF when lockout)
Muting indicator output (ON when muting / override)
Monitor output in response to IN1 to IN8 (ON when input)
No output (normally OFF)
Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Short-Circuit ProtectionIncorporated
Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Response Time10 ms or less
Muting Indicator OutputSemiconductor photo MOS relay output x 1
- Maximum load current: 60 mA
- Supply voltage: Same as the voltage of the power supply for internal
- Residual voltage: 2.5 V or less
- Leakage current: 100 μA or less (Including power supply OFF condition)
Muting Indicator Output: Output Mode ON when muting / override
Muting Indicator Output: Short-Circuit Protection Incorporated
Muting Indicator Output: Response Time10 ms or less
Interlock FunctionIncorporated
Lockout Release Function Incorporated
External Device Monitoring FunctionIncorporated
Communication Function (MODBUS RTU)Interface: RS-485
Protocol: MODBUS RTU
Maximum transmission distance: 100 m 328.084 ft
Maximum number of units that can be connected: 8 units (slaves)
Logic Selection FunctionNo.0: Customization control
No.1: Overall stop control
No.2: Parallel muting control
No.3: Sequential muting control
No.4: Partial stop control 1
No.5: Partial stop control 2
No.6: Two-hand control
No.7: OR control
No.8: Operation mode selection control
Logic Setting FunctionInput mode, control mode, output mode, reset mode, auxiliary ou tput mode
Pollution Degree 2
Excess Voltage CategoryII
Operating Altitude2,000 m 6561.680 ft or less
(Note) Do not use or store this device in a pressurized environment beyond the atmospheric pressure at sea level.
Startup Time After Power On 2 sec. or less
PFH<sub>D</sub>9.73 × 10−10
(Note:Probability of dangerous failure per hour)
MTTF<sub>D</sub>More than 100 years
(Note:Mean time to dangerous failure (in years))
Environmental Resistance: Degree of ProtectionIP20 (IEC)(must be installed in a control panel with protectio n IP54 or higher)
Ambient Temperature-10 to +55 ℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: -25 to +60 ℃ -13 to +140 ℉
Ambient Humidity30 to 85 % RH, Storage: 30 to 85 % RH
Environmental Resistance: Dielectric Strength Voltage1,000 V AC for one min.
(All inputs connected together - USB port, all inputs connected together - RS-485 port, USB port - RS-485 port, between all supply terminals connected together and enclosure, all outputs connected together - all input connected together, all outputs connected together - USB port, all outputs connected together - RS-485 port)
Insulation Resistance20 MΩ, or more, with 500 V DC megger
(All inputs connected together - USB port, all inputs connected together - RS-485 port, USB port - RS-485 port, between all supply terminals connected together and enclosure, all outputs connected together - all input connected together, all outputs connected together - USB port, all outputs connected together - RS-485 port)
Vibration Resistance5 to 8.4 Hz frequency, 3.5 mm 0.138 in half amplitude, 8.4 to 150 Hz frequency, Max. acceleration 9.8 m/s2 (1 G), in X, Y and Z directions for two hours each (IEC / EN 60068-2-6)
Shock Resistance147 m/s2 (15 G) 11 ms in X, Y and Z directions for three times each (IEC / EN 60068-2-27)
Connecting MethodInput / output and power supply: Detachable spring cage termina l blocks
RS-485: Detachable spring-cage terminal block
USB: MiniB male
Cable Length100 m 328.084 ft or less
MaterialMain unit enclosure: Polycarbonate / ABS polymer alloy
Enclosure: Polycarbonate
Weight (Typ.)Net weight: 190 g approx.
Gross weight: 320 g approx.
DummyCE Marking (EMC Directive, RoHS Directive)

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