H7013 is a SIL3 safety controller from German HIMA, belonging to the HIMax series of core modules. It is equipped with a dual-core ARM Cortex-A53 processor and is used for logical control and I/O management in ESD/BMS/F&G and other safety systems.

1. Basic Information

Model: H7013

Brand: HIMA (Germany)

Type: Safety CPU Controller (Redundant / Single System Option)

Safety Level: SIL3 (IEC 61508/61511), AK6, PL e/Cat.4

Certifications: CE, UL, TÜV, ATEX/IECEx (Zone 2 Explosion-proof)

Installation: 19-inch standard rack, compatible with H41q/H51q/HIMax systems

Environment: IP20; Operating Temperature **-20℃~+60℃**, Storage Temperature -40℃~+85℃

II. Core Parameters

Processor: Dual-core ARM Cortex-A53, with a clock speed of 1GHz

Control Power Supply: 24VDC (±15%), current ≈ 1.5A

System Bus: Dual redundant safety bus (SafeEthernet), rate 100Mbps

Communication Interfaces: 2×RJ45 (Ethernet TCP/IP), RS-485, RS-232

Program Memory: 4GB Flash, 1GB RAM

Response Time: Logical scan ≤ 1ms, I/O response ≤ 10ms

Redundancy Support: Dual CPU redundancy, dual bus redundancy, no single point failure

III. Terminal Definitions (Simplified) Table

Terminal Function

1 +24VDC (Power +)

2 0V (Power -)

3-4 ETH1 (Ethernet 1, redundant bus)

5-6 ETH2 (Ethernet 2, redundant bus) 7 RS‑485+

8 RS‑485‑

9 RS‑232 TX

10 RS‑232 RX

IV. Safety Features

Fault Safety: In the event of power loss / failure, all outputs are forced to a safe state (in accordance with ESD "Power Loss Safety").

Self-Diagnosis: Real-time self-checks for CPU, power supply, bus, and I/O; faults trigger automatic alarms and switch to redundancy.

Redundant Architecture: Supports dual CPU hot backup, dual bus redundancy, with a switching time of ≤ 500ms, and no data loss.

Isolation Design: Electrical isolation between the system side and the field side; isolation withstand voltage ≥ 1500VAC.

V. Installation and Wiring

Installation: Vertical installation of the rack, with a spacing of ≥ 20mm for heat dissipation; away from strong electromagnetic interference, corrosive / dusty environments.

Wiring: Power-off operation, cable ≤ 2.5mm²; separate wiring for power, signal, and communication lines, away from power lines.

Shielding: Double-ended grounding of the communication cable shielding layer to reduce interference; industrial shielded network cable for Ethernet.

VI. Debugging and Maintenance

Power-on Test: Power LED on; bus LED flashing normally; communication with programming software SILworX is normal.

Program Download: Download safety program through SILworX, configure I/O modules (such as H7011, H4137).

Daily Maintenance: Check wiring tightness and no corrosion every 6 months; clean with dry air blowing; back up programs.

Troubleshooting:

Communication Interruption: Check network cable, bus configuration, and redundancy switching → Replace module;

Program Error: Check logic program, I/O configuration → Redownload program;

Power Failure: Check 24VDC input, power module → Replace power supply.

VII. Typical Applications

Petroleum / Chemical: ESD emergency stop system, BMS burner management, F&G fire gas system;

Oil and Gas / Power: Offshore platform safety control, gas turbine / boiler protection, hazardous area valve interlock;

Compatible Systems: HIMax/H41q/H51q series SIS, compatible with H7011 (DO), H4135 (CPU), H4136 (redundant relay).