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HIMA Z7127/6217/C5/I module
HIMA Z7127/6217/C5/I
1. Overview
It is an I-type (I = “Integrated”) module belonging to the HIMA Z7127/6217/C5 series, specifically designed for Safety Instrumented Systems (SIS) in hazardous processes.The module is certified to the IEC 61508 standard and meets the requirements of SIL 3 functional safety level.Adopting a modular structure, it allows flexible combination of I/O sub-modules within the same rack, enabling 16-channel I/O expansion.
2. Key Parameters (Typical Values)
- Operating Temperature: –40 ℃ ~ +105 ℃ (wide temperature range)
- Supply Voltage: 1.7 V ~ 5.5 V (wide voltage range)
- Protection Level: IP20 (for DIN rail mounting)
- Communication Interfaces: Modbus RTU, RS-232/RS-485, Ethernet (optional)
- I/O Capacity: Each I/O sub-rack accommodates 16 channels of I/O, supporting multiple signal types such as digital, analog, and counting signals.
- Dimensions: DIN rail size, with a typical width of 120 mm and depth of 100 mm (specific dimensions depend on the rack).
- Certification: SIL 3 (compliant with IEC 61508)
3. Product Features
- High Reliability: Adopts a fanless heat dissipation design to reduce mechanical failure rates; the modular structure facilitates quick replacement and maintenance.
- Safety Functions: Built-in safety monitoring, fault diagnosis, and self-test functions to meet SIL 3 requirements.
- Flexible Networking: Supports multiple fieldbuses (Modbus, Profibus, Ethernet) and enables seamless integration with upper-level systems.
- Compact Installation: Compatible with DIN rail mounting, saving space and suitable for cabinets or on-site racks.
- Wide Temperature Range: Operates within –40 ℃ ~ +105 ℃, applicable to extreme industrial environments.
4. Structure and Composition
- Central Rack: Includes power supply module, communication module, and main control unit.
- I/O Sub-rack: Each sub-rack provides 16 channels of I/O; multiple sub-racks can be stacked according to on-site needs to achieve large-scale signal acquisition.
- Rack Connectors: DIN rail buckles, screws, and protective covers to ensure stable installation.
- Heat Dissipation Device: Fanless heat sinks to maintain thermal balance during long-term operation.
5. Application Fields
- Petrochemical and Chemical Industry: Safety monitoring and emergency shutdown of hazardous chemicals.
- Oil Refining and Natural Gas Industry: Safety Instrumented Systems (SIS) and process control.
- Power and Energy Industry: Safety protection for power plants and distribution networks.
- Pharmaceutical and Food Industry: Safety control compliant with GMP requirements.
- Steel, Cement, and Automotive Manufacturing Industries: Safety protection for high-temperature and high-pressure processes.
6. Installation and Maintenance Points
Installation
- Fix the module on the DIN rail according to the instruction manual to ensure the buckles are secure.
- Before wiring, check the power supply voltage and grounding status to avoid shock and vibration.
- Select and configure communication interfaces according to on-site requirements, and complete network configuration.
Commissioning
- Perform a self-test after startup to confirm that all I/O channels are in normal status.
- Conduct functional tests through the upper-level system (SCADA/HMI) to verify the safety logic.
Daily Maintenance
- Regularly inspect terminal blocks and heat sinks for dust or corrosion.
- Monitor the internal self-diagnostic logs of the module and replace faulty sub-racks in a timely manner.
- If replacement of I/O sub-modules is required, simply plug and unplug them on the rack, resulting in extremely short downtime.
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