GB/T 38002.2-2022 in English
VALIDAutomation system and integration—Serial real time communication system for manufacturing integration—Part 2: Input and output device profile
- Issued on:2022-03-09
- Implemented on:2022-10-01
- File Format:PDF
- Delivery:Via email within 5 business days
$330.00
《GB/T 38002.2-2022自动化系统与集成 制造业串行实时通信系统集成 第2部分：输入输出设备行业专规》由TC159（全国自动化系统与集成标准化技术委员会）归口，TC159SC5（全国自动化系统与集成标准化技术委员会体系结构、通信和集成框架分会）执行，主管部门为中国机械工业联合会。
Introduction
IO device architecture and addressing mechanism
Equipment logical structure change
The standard proposes three major characteristics of device digitization: intelligent peripheral devices (32DI/O), hybrid CNC system architecture, and parameter channel (S015xx.x.19/20) bidirectional configuration mechanism. Modular devices support the integration of multiple functions such as digital input and output, analog modules, counters, and safety control.
| Device type | Typical features | Structural example (SI) |
|---|---|---|
| Compact IO | Fixed 32-channel pneumatic valve control | SI=0 (bus coupler straight pipe) |
| Modular IO | Configurable 16DO + 4AI combination | SI setting (support PID temperature control execution) |
Functional group professional configuration scheme
Core function group comparison
- Binary channel width 1bit
- Process data mapping container (bin21-23)
- Activation password: S01500.x.01.15 signal
- Support voltage and current multi-protocols
- Data resolution (bin31 reserves precision bits)
- Current loop closed-loop verification mechanism
Safety control special regulations
| Function group | Safety level (PL/SIL) | Verification model |
|---|---|---|
| S01510 Safety Output | SIL2 Equivalent Dual Channel | ECC Error Check Deployment |
| S01511 Safety Input | PLd Ladder Logic Monitoring | Two-Axis Collision Prediction Strategy |
IO State Machine Control Model
State Transition Mechanism
| Transition Condition | Trigger Composite Verification |
|---|---|
| OP_Ready Bit 15 Transition | S01500.x.02 State Register Mapping |
| Hardware check failure leads to CHS event | DIAGOUT error identification priority |
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