Description

HIMA Z7138/3330/C5/P2/R Product Description

Technical Specifications

• Product Model: Z7138/3330/C5/P2/R
• Brand: HIMA (Germany)
• Warranty: One Year
• Input Voltage: 24 VDC nominal safety system supply
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -40°C to +85°C
• Response Time: ≤2ms intrinsic safety signal isolation response
• Protection Class: IP20 (DIN rail cabinet mounting only)
• Accuracy Class: 0.1% signal transmission precision for safety loops
• Output Frequency: 0–30kHz digital pulse signal processing
• Rated Current Range: 0–500mA per isolated channel
• Communication Interface: Internal HIMA rack backplane connector, pre-terminated 2-pole field wiring plug
• Supported Protocols: HIMA HIMax internal safety bus, HIMatrix system backplane protocol
• Overload Capacity: 125% transient voltage surge withstand for 20 seconds
• Dimensions: 125mm (W) × 76mm (H) × 42mm (D)
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Product Overview

The Z7138/3330/C5/P2/R is a configured intrinsic safety barrier and signal conditioning module belonging to HIMA Z7138 series, engineered exclusively for HIMA HIMax and HIMatrix safety instrumented systems (SIS) deployed in hazardous classified industrial areas. This customized variant with full suffix coding integrates galvanic isolation circuits, energy-limiting safety components and pre-wired field connection terminals, serving as the critical interface between explosion-prone field sensors/actuators and the non-hazardous safety PLC rack.

It addresses core functional safety risks in explosive atmosphere environments, including excessive electrical energy leakage igniting flammable gas or vapor mixtures, ground loop interference distorting safety trip signals, unregulated voltage spikes damaging core safety controllers, and inconsistent wiring standards causing SIS loop certification failures. The internal energy-limiting circuit strictly restricts maximum voltage and current delivered to Zone 0/1 hazardous field devices, fully complying with ATEX and IECEx intrinsic safety standards, while opto-isolated channels eliminate cross-talk between multiple safety input loops to guarantee uninterrupted emergency shutdown, fire protection and overpressure interlock logic execution.