Safety Control Unit SF-C21

The safety control unit allows the user to connect and control various machine safety components. The SF-C10 series was specifically designed to connect and control Panasonic light curtains, while the SF-C21 safety control unit can be used for a variety of safety devices such as; safety switches, emergency switches, enable grip switches, safety beam sensors, safety scanners, and safety light curtains.

Part Number List

Results 1
Models table for series Safety Control Unit SF-C21
Part No.DatasheetCE Marking Directive ComplianceApplicable Standards: SafetyApplicable Standards: EMCRelated Standards Supply Voltage: Power Supply for Internal Supply Voltage: Power Supply for External Current Consumption: Power Supply for InternalCurrent Consumption: Power Supply for ExternalSafety Input (IN1 to IN8) Safety Input (IN1 to IN8): On Level Safety Input (IN1 to IN8): Off LevelSafety Input (IN1 to IN8): Rated Input CurrentSafety Input (IN1 to IN8): Input ImpedanceSafety Input (IN1 to IN8): Duration of Detectable on StateSafety Input (IN1 to IN8): Duration of Undetectable Off State Control Output (OUT1 to OUT4)Control Output (OUT1 to OUT4): Output ModeControl Output (OUT1 to OUT4): On Delay FunctionControl Output (OUT1 to OUT4): Off Delay FunctionControl Output (OUT1 to OUT4): Short-Circuit ProtectionControl Output (OUT1 to OUT4): Response TimeAuxiliary Output (AUX1 to AUX4) (Non-Safety Output)Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Output Mode (Factory Defaults)Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Output Mode (Any Of The Auxiliary Outputs Can Be Customized Using The Software Tool)Auxiliary Output (AUX1 to AUX4) (Non-Safety Output): Short-Circuit ProtectionAuxiliary Output (AUX1 to AUX4) (Non-Safety Output): Response TimeMuting Indicator OutputMuting Indicator Output: Output Mode Muting Indicator Output: Short-Circuit Protection Muting Indicator Output: Response TimeInterlock FunctionLockout Release Function External Device Monitoring FunctionCommunication Function (MODBUS RTU)Logic Selection FunctionLogic Setting FunctionPollution Degree Excess Voltage CategoryOperating AltitudeStartup Time After Power On PFH<sub>D</sub>MTTF<sub>D</sub>Environmental Resistance: Degree of ProtectionAmbient TemperatureAmbient HumidityEnvironmental Resistance: Dielectric Strength VoltageInsulation Resistance Vibration ResistanceShock ResistanceConnecting MethodCable LengthMaterialWeight (Typ.)Dummy
Machinery Directive, EMC Directive, RoHS Directive
IEC 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
IEC 61000-6-2, IEC 61326-3-1, EN 55011
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
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.)
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.)
200 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.)
100 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.)
2 inputs x 4, Rated voltage: Same as the voltage of the power supply for internal
Input voltage: 18 V
Input current: 3.5 mA
Input voltage: 5 V
Input current: 1.0 mA
5 mA approx.
4.7 KΩ approx.
10 ms or more
0.7 ms or less
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)
True: ON
False: OFF
Incorporated
Incorporated
Incorporated
OFF response: 10 ms or less
ON response: 100 ms or less
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)
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)
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)
Incorporated
10 ms or less
Semiconductor 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)
ON when muting / override
Incorporated
10 ms or less
Incorporated
Incorporated
Incorporated
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)
No.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
Input mode, control mode, output mode, reset mode, auxiliary ou tput mode
2
II
2,000 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.
2 sec. or less
9.73 × 10−10
(Note:Probability of dangerous failure per hour)
More than 100 years
(Note:Mean time to dangerous failure (in years))
IP20 (IEC)(must be installed in a control panel with protectio n IP54 or higher)
-10 to +55 ℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: -25 to +60 ℃ -13 to +140 ℉
30 to 85 % RH, Storage: 30 to 85 % RH
1,000 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)
20 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)
5 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)
147 m/s2 (15 G) 11 ms in X, Y and Z directions for three times each (IEC / EN 60068-2-27)
Input / output and power supply: Detachable spring cage termina l blocks
RS-485: Detachable spring-cage terminal block
USB: MiniB male
100 m 328.084 ft or less
Main unit enclosure: Polycarbonate / ABS polymer alloy
Enclosure: Polycarbonate
Net weight: 190 g approx.
Gross weight: 320 g approx.
CE Marking (EMC Directive, RoHS Directive)