Z 7108 | HIMA Lead Marking Cable Plug Connector

Technical Overview

The Z 7108 is a specialized interface component designed for the HIMA safety system environment, primarily utilized for lead marking and signal distribution. This cable plug ensures high-integrity connections between field wiring and safety-related modules, adhering to strict DIN standards for signal transmission. Its design incorporates specific impedance characteristics to maintain loop monitoring accuracy, essential for detecting wire breaks or short circuits in safety-instrumented functions.

Detailed Specifications

• Model Designation: Z 7108

• Product Function: Lead marking cable plug with integrated signal conditioning

• Switching Response Time: Approximately 10 ms

• Line Impedance Compliance: 50 Ohm (Engineered to DIN 19234 standards)

• Maximum Transmission Distance: 1000 meters (Utilizing 0.5 mm² cross-sectional wire)

• Reference Supply Voltage (US): 8.2 VDC 

• Internal Power Requirements: 5V = 90 mA / 24V = 170 mA

• Module Width: 4 TE 

• Installation Profile: Plug-in termination for HIMA system backplanes or terminal blocks

• Logistics Mass: Approximately 2 kg 

Industrial Application and Safety Integration

The Z 7108 is frequently employed in systems requiring remote sensor monitoring over long distances. By adhering to the DIN 19234 impedance curve, it facilitates the use of NAMUR-compliant proximity switches and digital sensors within explosive atmospheres or safety-critical zones. The module's 10 ms switching time ensures that signal state changes are captured within the narrow task cycles of HIMA safety controllers, preventing lag in emergency shutdown execution.

Technical FAQ

How does the cable length affect the signal integrity of the Z 7108?

The module is rated for up to 1000 meters provided a 0.5 mm² conductor is used. Increasing the cross-sectional area can help mitigate voltage drops over longer runs, while using thinner wire may exceed the $\le$ 50 Ohm impedance limit required for DIN compliance.

Is the Z 7108 compatible with non-HIMA safety systems?

While the electrical characteristics follow DIN 19234 standards, the physical 4 TE form factor and pin assignment are specifically keyed for HIMA rack architectures and terminal assemblies.