Product Introduction
Our Safety Control Unit SF-C21 simplifies safety circuit construction for industrial automation. It integrates 4 safety relay functions in one compact unit to cut wiring and cabinet space. Sized W45 × H97 × D104 mm, it fits narrow spaces. It supports 8 preset logics up to Cat.4 / PLe, with PNP output and RS-485 MODBUS RTU for PLC monitoring. Logic selection via rotary switch requires no programming, and it carries CE, TUV, JIS, NRTL certifications.
Key Benefits
Safety Control Unit SF-C21
Technical Specifications
|
Item |
SF-C21 |
|
Power Supply |
24V DC ±10% |
|
Safety Inputs (IN1~IN8) |
2 points ×4, rated voltage same as internal power supply |
|
Control Outputs (OUT1~OUT4) |
PNP open collector transistor output, 2 outputs ×2 |
|
Auxiliary Outputs (AUX1~AUX4) |
PNP open collector transistor output ×4 |
|
Indicator Output |
Semiconductor PhotoMOS output ×1 |
|
Operating Ambient Temperature |
-10℃ ~ +55℃ |
|
Dimension (mm) |
W45 × H97 × D104 |
Applications & Components
Safety Control Unit SF-C21
Why Choose This Machine
Safety Control Unit SF-C21 replaces multiple separate safety relays with one unit, cutting cabinet wiring and installation workload. It achieves high safety performance up to Cat.4, PLe, with simple rotary switch setup and no programming needed. It supports delay time setting and password lock to avoid accidental modification.
Part of Your Smart Factory
Safety Control Unit SF-C21 serves as the core safety logic controller for smart factory automated production lines. It supports MODBUS RTU communication to feed safety status back to PLC, helping factories realize centralized safety monitoring and stable machine protection.
FAQ
Q: What safety level can this unit reach?
A: It achieves the highest control category 4 and PLe safety level, and has passed CE, TUV, NRTL and JIS certifications.
Q: Is programming required for setup?
A: No programming knowledge required. Users can select 8 built-in preset logics directly by rotary switch. Custom logic can be edited via dedicated configuration software.
Q: What is the size of this unit?
A: The dimension is W45 × H97 × D104 mm, slim 45mm width design saves cabinet space and fits narrow installation areas.
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