HIMA Z7138/3330/C5/P2
1. Overview
It is a safety control module belonging to the HIMA Z7138/3330/C5/P2 HIMA Blackhorse series, which complies with the IEC 61508/61511 standard and supports the SIL 3 safety level.Adopting a 19-inch 4U rack-mounted structure, it supports DIN rail installation and features a fanless heat dissipation design, making it suitable for high-reliability and harsh industrial environments.
2. Key Parameters
- Model: Z7138/3330/C5/P2
- Rack Size: 19 inches × 4U
- Power Supply: 24 V DC (main power supply) + 5 V DC (auxiliary power supply)
- Communication Interfaces: Modbus RTU, RS‑232/RS‑485, Ethernet (optional)
- Protection Level: IP20 (inside the rack)
- Operating Temperature: –25 °C ~ +55 °C
- Safety Level: SIL 3 (compliant with IEC 61508)
- Compatibility: Interchangeable with same-series modules such as HIMA Z7136, Z7116, and Z7127
3. Product Features
- High Reliability: Adopts a redundant dual-card design and supports hot-swap replacement to ensure uninterrupted system operation.
- Modular Structure: Can flexibly combine sub-modules such as I/O, communication, monitoring, and power supply, facilitating system expansion.
- Fanless Heat Dissipation: Reduces maintenance costs and extends service life.
- Safety Certification: Complies with IEC 61508/61511 and has passed SIL 3 certification.
- Multiple Communication Options: Built-in multiple fieldbus and Ethernet interfaces, compatible with various upper-level systems.
4. Structure and Composition
Central Rack
- Central Unit (CU)
- Communication Module (CM)
- Power Supply Module (24 V DC/5 V DC)
- Power Monitoring Module (F7131)
I/O Rack (Optional)
- Power Distribution Module
- Up to 16 channels of digital/analog I/O sub-modules
Redundant Cards
Two sets of cards with the same function are installed in the upper and lower card cages respectively to realize parallel redundant operation.
5. Application Fields
- Petroleum, Chemical, and Natural Gas Industry: Safety control for hazardous processes.
- Power, Iron and Steel, and Cement Industry: Safety monitoring of large-scale continuous production lines.
- Pharmaceutical, Automotive, and Textile Industry: High-reliability automation systems.
- Energy and Environmental Protection Industry: Safety layer of Distributed Control Systems (DCS).
6. Installation and Maintenance
- Installation: Fix it on the DIN rail in accordance with the product manual, ensure that the cards are inserted in place, and avoid impact and vibration.
- Wiring: Follow the IEC 61850/61508 wiring specifications, and use shielded cables to connect the power supply, I/O, and communication ports.
- Commissioning: Use the configuration software provided by HIMA for parameter setting and function testing.
- Maintenance: Regularly check the power supply status, card temperature, and connection tightness; in case of failure, redundant cards can be replaced by hot-swap without shutting down the system, reducing downtime.

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Corporate Service Terms & Warranty Guidelines
- As an offline physical enterprise, our company is qualified to issue value-added tax (VAT) invoices with a 13% tax rate.
- Customers in need of invoices are required to make an active request. All listed product prices are tax-exclusive.
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- Upon delivery, please conduct an on-site inspection of the package contents before signing for receipt. In cases where you sign without inspection, no returns or exchanges will be honored for damaged goods.
- In the event that you find other suppliers offering the same product at a more competitive price, we are prepared to adjust our pricing and provide you with an additional discount based on that reference price.
- All products in our store are available in stock and can be dispatched immediately. The warranty period for all accessories ranges from 3 to 6 months, while brand-new original products come with a 1-year warranty guarantee.
- Regarding receipt signature: Upon receiving the goods, it is essential that you verify the integrity of the outer packaging before signing. If you discover missing items during the inspection process, you have the right to refuse signature and should contact us without delay.
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Warranty Provisions
- Warranty Duration: A majority of products are covered by a warranty period following purchase. The exact duration may differ depending on the product category, typically spanning 1 year or more.
- Warranty Scope: This warranty generally applies to failures resulting from manufacturing defects or material flaws. Failures occurring under normal usage conditions will be eligible for free repair or replacement.
- Situations Not Covered by Warranty:Warranty Procedure: When seeking warranty service, customers must present proof of purchase (e.g., invoice) and get in touch with the customer service team. Subsequently, follow the provided instructions to send the product to the designated repair center.
- Damages caused by human factors, including but not limited to drops, water damage, or improper usage.
- Problems arising from unauthorized repair work or modifications to the product.
- Failures that occur once the warranty period has lapsed.
- Fee Explanation: Repairs conducted within the warranty period are typically free of charge. Nevertheless, if the repair falls outside the scope of the warranty, applicable fees may be incurred.

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