overview：
ICS Triplex T9402 is an important component in the ICS Triplex Trusted TMR (Triple Modular Redundancy) safety system. It adopts a triple architecture (TMR) to sample and process input signals through three independent channels to ensure that the system can still provide correct outputs in the event of a fault. A 2/3 voting rule is used to ensure that the system can still infer the correct input state even if one channel fails. A test mode is supported to verify the operating status of the input channels. The following is a detailed description of the module.
Features:
- Triple Architecture (TMR - Triple Modular Redundancy): T9402 is equipped with 3 independent channels, each channel independently samples and processes input signals. This architecture can effectively provide redundancy and fault tolerance to ensure the output in the event of a system failure. Even if one or two channels fail, T9402 can still guarantee the correctness of the output results.
- Voting Logic: T9402 uses voting logic (such as 2/3 voting rule) to determine the final output value of each channel. Even if a channel fails, the system can correctly infer the state of each digital input through the input of the remaining two channels.
- Diagnostic Coverage: Provides comprehensive diagnostic coverage to facilitate fault detection and fault isolation. This includes monitoring of individual input channels, power supply status and internal circuits.
- 16 digital input channels: The T9402 provides 16 digital input channels, each of which can be configured as a Normally Open (NO) or Normally Closed (NC) contact. You can configure the appropriate input method in different application environments and choose the contact type according to different needs.
- Test mode: The T9402 supports a test mode, which can be used to verify the operation of the input channels and ensure the normal operation of the system under actual working conditions.
Specification：
|
Parameter |
Specification |
|
Safety Level Degradation |
1oo1D, 1oo2D, 2oo3D |
|
Supported Processor Modules |
Three |
|
Supported I/O Modules |
48 (8 or 16 channels modules) |
Safety Accuracy Limit:
|
Parameter |
Specification |
|
Digital Inputs |
- |
|
Analog Inputs |
1.0 Vdc, 200 µA |
Sequence of Event Resolution:
|
Parameter |
Specification |
|
Processor Module (Internal Variables): |
|
|
- Event Resolution |
1 ms |
|
- Time Stamp Accuracy |
1 ms |
|
Digital Input Module: |
|
|
- Event Resolution |
10 ms |
|
- Time Stamp Accuracy |
10 ms |
ICS Triplex T9402 - Q&a
Q: What is the brand?
A: ICS Triplex
Q: What is the type?
A: Digital Input Module
Q: What is the warranty period?
A: 1 year.
Q: What is the product condition?
A: New.
Q: Where is the shipping location?
A: Xiamen.
Q: What is the payment method?
Answer: T/T (Telegraphic Transfer).
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