【Notification of Manufacturer Change for Panasonic Industrial Devices SUNX Products and Panasonic Industrial Devices SUNX Tatsuno Products】
From April 1, 2024, the terms "Panasonic Industrial Devices SUNX Co., Ltd." and "Panasonic Industrial Devices SUNX Tatsuno Co., Ltd."
in this page and in the manuals and other documents to be downloaded will all be replaced with "Panasonic Industry Co., Ltd." and applied accordingly.

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Safety Control Unit SF-C21

I/O Circuit and Wiring diagrams

TERMINAL ARRANGEMENT DIAGRAM

TERMINAL ARRANGEMENT DIAGRAM

[Terminal block for I/O 1]

Terminal
No.
Terminal
name
Function
1 IN1 Safety input 1
2 T1 Safety input 1 / test output
3 IN2 Safety input 2
4 T2 Safety input 2 / test output
5 IN3 Safety input 3
6 T3 Safety input 3 / test output
7 IN4 Safety input 4
8 T4 Safety input 4 / test output
9 MUTE1 Muting indicator output 1_1
10 NC Not connected
11 INT11 Reset input 1 / test output
12 INT12 Reset input 1
13 AUX1 Auxiliary output 1
14 AUX2 Auxiliary output 2
15 AUX3 Auxiliary output 3
16 AUX4 Auxiliary output 4

[Power supply for external]

Terminal
No.
Terminal
name
Function
V2 V2 Power supply for control output /
power supply for auxiliary output (+V)
G2 G2 Power supply for control output /
power supply for auxiliary output (0V)
 

[Terminal block for I/O 2]

Terminal
No.
Terminal
name
Function
17 IN5 Safety input 5
18 T5 Safety input 5 / test output
19 IN6 Safety input 6
20 T6 Safety input 6 / test output
21 IN7 Safety input 7
22 T7 Safety input 7 / test output
23 IN8 Safety input 8
24 T8 Safety input 8 / test output
25 MUTE2 Muting indicator output 1_2
26 NC Not connected
27 INT21 Reset input 2 / test output
28 INT22 Reset input 2
29 OUT1 Control output 1
30 OUT2
31 OUT3 Control output 2
32 OUT4

[Power supply for internal]

Terminal
No.
Terminal
name
Function
V1 V1 Power supply for safety input (+V)
G1 G1 Power supply for safety input (0V)

[RS-485]

Terminal
No.
Terminal
name
Function
+ + Transmission line(+)
- - Transmission line(-)
+ + Transmission line(+)
- - Transmission line(-)
E E Terminal station setting
Note: For an input device requiring a separate power supply, such as a safety light curtain, use the same power supply as the power supply for internal.

Connection examples

Logic No.1 Overall stop control (Manual reset mode)

Logic No.1 Overall stop control (Manual reset mode)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).



Logic No.1 Overall stop control (Auto reset mode)

Logic No.1 Overall stop control (Auto reset mode)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).



Logic No.4 Partial stop control 1 (Manual reset mode)

Logic No.4 Partial stop control 1 (Manual reset mode)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).



Customization example, based on logic No.4 Partial stop control 1 (Auto reset mode)

Customization example, based on logic No.4 Partial stop control 1 (Auto reset mode)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).



Customization example, based on logic No.1 Overall stop control (Manual reset, when all input devices are changed to PNP input × 2)

Customization example, based on logic No.1 Overall stop control (Manual reset, when all input devices are changed to PNP input × 2)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).



Customization example, based on logic No.1 Overall stop control (Manual reset, when input 3 to 8 are changed to devices with 1NC / 1NO)

Customization example, based on logic No.1 Overall stop control (Manual reset, when input 3 to 8 are changed to devices with 1NC / 1NO)
Note: Select contacts that can support the micro load of 6 mA at 24 V DC as the reset switch and contacts used for INT11 / INT12 (INT21 / INT22).

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Requests to customers (Automation Control Components & Industrial Device) [For specific product]
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Requests to customers (Dedicated to industrial motors)