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SM1002 programmable safety controller

As the most important part of safety loop, safety controller/safety PLC has been recognized by more and more people, but in the process of use, there are still many users who are confused about the differences between safety relay and ordinary relay, so I would like to share them with you here. As we all know, we must remember three words in the concept of safety design:

(1) Redundancy

(2) Difference

(3) Self-detection

How to construct the safety loop with the reliability above PLd, the safety controller must become an important link. The safety loop consists of safety input, safety control and safety output subsystems, and the safety control "including safety relay, safety controller, safety PLC, etc." realizes the safety control function. Designers match different safety controllers to achieve the reliability level of the safety loop according to the number of products at the input end.

SM-1002 programmable controller

·Is a configurable safety controller, which supports the input of various safety product components.

·Maximum support for 10 groups of dual-loop inputs.

·4-channel semiconductor safety output, expandable output module

·Input and output fault indicator light

·Safety certification: PL e, Cat: 4

Product selection

product name

model

Safety input

Safe output

brand

Safety controller

SM-1002

10CH

4SO

LHS

explain

You can enter up to 10 sets of dual-channel security products.

Safety grating, emergency stop, safety door lock, reset, etc.

Official website programming software download connection.：http://lhsafety.com.cn/showinfo-257-118-0.html

safety performance

? Performance level (PL): PL e

? Security category (Cat.): Cat.4

? Mission time (TM): 20 years

? Diagnostic coverage (DC/DC avg): 99%

? Safety Integrity Level (SIL): SIL3

? Hardware Fault Margin (HFT): 1

? Safe Failure Score (SFF): 99%

? Probability of dangerous failure (PFH d): 1.78E-9/h

? Stop Category: 0/1

Complies with standard EN ISO13849

Conforms to standards IEC61508, IEC62061

Complies with standard EN 60204-1

Main technical parameters

Power supply characteristics	·Power supply voltage: 24VDC ·Voltage range: 20~30VDC ·Current loss: ≤35mA(24VDC)
Input characteristics	·Input current: ≤10mA(24VDC) ·Conductor resistance: ≤15Ω ·Input equipment: emergency stop button, safety door, two-hand button, safety light curtain, Heartbeat sensor, etc ·Input channel: 10
Relay output characteristics	·Number of contacts: 4SO (safety output) ·Contact fuse protection: 5A is fast, 3A is slow. ·Switching capacity: 2A/24VDC
Semiconductor output characteristics	·Number of contacts: 4SO (safety output) ·Contact fuse protection: 10A is fast, 6A is slow. ·Switching capacity: 2A/24VDC
Time characteristic	·Suction buffer time: ≤100ms ·Release buffer time: ≤30ms ·Recovery time: Emergency stop operation: ≤30ms Power failure: ≤1000ms ·Short-term power interruption: 20ms
control logic	·Control logic: 10 kinds of logic, and new logic can be customized according to customer requirements. ·Delay setting time: 0s~99s ·Heartbeat monitoring frequency: 0.1Hz~10Hz ·Frequency output logic block: 0.1Hz~10Hz