HIMatrix DOZ7138 Relay Digital Output Module

Technical Specifications

Model:DOZ7138

Brand:HIMA(HIMatrix)

Safety certification:SIL3,IEC61508,PL e(Cat.4),TÜV certified

Signal:8-channel relay digital output

Output type:Relay contact output,max 230V AC

Diagnosis:Wire break and short circuit monitoring

Mounting:DIN rail installation

Protection class:IP20

Power supply:24V DC

Operating temperature:-20~+60℃

Relative humidity:5~95% non-condensing

Weight:0.41kg

Certification:CE

System compatibility:Matches HIMA HIMatrix safety control system,outputs safety relay contact signals to solenoid valves,actuators and field safety devices,for petrochemical,chemical plant ESD emergency shutdown and F&G fire gas protection system.

Function:SIL3 fail-safe relay digital output module.Executes safety logic commands from controller via relay contacts to drive field safety equipment.Continuously monitors output wiring for open and short circuit faults.

Installation:Mount on DIN rail inside control cabinet,wire field actuators to module terminals,complete safety parameter configuration via SILworX software.

Interface:

‑8 channels of relay output terminals

‑24V DC power terminal

‑Backplane bus connector for data exchange

‑LED indicators for channel status,fault and communication

Circuit feature:Dual channel fail-safe hardware architecture,comprehensive self-test function,relay contact isolation design,strong anti-interference performance,meets SIL3 functional safety requirements for hazardous industrial environment.

Feature:HIMatrix 8-channel SIL3 relay output module DOZ7138. Common faults:relay contact burnout,switching failure,diagnosis circuit fault.Confirm firmware version before replacement.

Diagnostic:Module or wiring fault triggers channel fault alarm;controller will force relay to safe state and execute safety trip logic.

Built‑in function

DOZ7138 sends safety shutdown contact signals to field devices for safety interlock and emergency shutdown protection,widely used for chemical and power plant safety spare replacement.

Product Brief

DOZ7138 belongs to HIMatrix compact safety I/O family,DIN rail mounted 8-channel SIL3 fail-safe relay output module. Verify system firmware and rack compatibility before ordering. Test relay output and line diagnosis function during commissioning. ESD anti‑static protection shall be followed during installation.