© Panasonic Industrial Devices SUNX Co., Ltd. 2016
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Chapter 8 Specifications / Dimensions
8-1 Specifications
Model No.
SF-C21
Supply
voltage
Power supply for internal
24V DC
+10
-15
Ripple P-P 10% or less
Power supply for external
24V DC
+10
-15
Ripple P-P 10% or less
Current
consumption
Power supply for internal
200mA or less
Power supply for external
100mA or less
Safety input (IN1 to IN8)
4 × 2 inputs Rated voltage: Same as voltage of internal power supply
ON level
Input voltage: 18V, Input current: 3.5mA
OFF level
Input voltage: 5V, Input current: 1.0mA
Rated input current
Approx. 5mA
Input impedance
Approx. 4.7kΩ
Duration time of detectable ON
state
10ms or more
Duration time of detectable OFF
state
0.7ms or less
Control output
(OUT1 to OUT4)
PNP open-collector transistor with 2 outputs × 2
• Maximum source current: 300mA / output
• Applied voltage: Same as voltage of the power supply for external
• Residual voltage: 2.5V or less
• Leakage current: 100μA or less (Including power supply OFF condition)
Output mode
True: ON, False: OFF
ON delay function
Incorporated
OFF delay function
Incorporated
Short-circuit protection
Incorporated
Response time
OFF response: 10ms or less, ON response: 100ms or less
Auxiliary output
(AUX1 to AUX4)
(Non-safety output)
PNP open-collector transistor with output × 4
• Maximum source current: 60mA / output
• Applied voltage: Same as voltage of the power supply for external
• Residual voltage: 2.5V or less
• Leakage current: 100μA or less (Including power supply OFF condition)
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)
Output mode
Any of the auxiliary outputs
can be customized using the
software tools
•
Negative logic output of OUT1 / OUT2 (ON when OUT1 / OUT2 is OFF)
•
Negative logic output of OUT3 / OUT4 (ON when OUT3 / OUT4 is OFF)
•
Positive logic output of OUT1 / OUT2 (ON when OUT1 / OUT2 is ON)
•
Positive logic output of OUT3 / OUT4 (ON when OUT3 / OUT4 is ON)
•
Outputs A, B, C, and D of diagnosis results of input blocks 1 to 4 (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)
Short-circuit protection
Incorporated
Response time
10ms or less
Muting indicator output
Semiconductor photo MOS relay output × 1
• Maximum load current: 60mA
•
Same as voltage of the power supply for internal
• Residual voltage: 2.5V or less
• Leakage current: 100μA or less (Including power supply OFF condition)
Output mode
ON when muting / override
Short-circuit protection
Incorporated
Response time
10ms or less